TWI242465B - Carbon nanocapsule as catalyst support - Google Patents
Carbon nanocapsule as catalyst support Download PDFInfo
- Publication number
- TWI242465B TWI242465B TW92119776A TW92119776A TWI242465B TW I242465 B TWI242465 B TW I242465B TW 92119776 A TW92119776 A TW 92119776A TW 92119776 A TW92119776 A TW 92119776A TW I242465 B TWI242465 B TW I242465B
- Authority
- TW
- Taiwan
- Prior art keywords
- metal
- nano
- carbon
- catalyst
- carrier
- Prior art date
Links
- 239000003054 catalyst Substances 0.000 title claims abstract description 91
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 44
- 239000002088 nanocapsule Substances 0.000 title abstract description 6
- 239000002245 particle Substances 0.000 claims abstract description 46
- 230000003197 catalytic effect Effects 0.000 claims abstract description 10
- 229910052751 metal Inorganic materials 0.000 claims description 79
- 239000002184 metal Substances 0.000 claims description 79
- 229910021392 nanocarbon Inorganic materials 0.000 claims description 77
- 229910002804 graphite Inorganic materials 0.000 claims description 15
- 239000010439 graphite Substances 0.000 claims description 15
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 9
- 229910052737 gold Inorganic materials 0.000 claims description 9
- 239000010931 gold Substances 0.000 claims description 9
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 9
- 241000143432 Daldinia concentrica Species 0.000 claims description 8
- 239000000956 alloy Substances 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 7
- 239000004575 stone Substances 0.000 claims description 7
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 6
- 239000003575 carbonaceous material Substances 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 229910044991 metal oxide Inorganic materials 0.000 claims description 6
- 150000004706 metal oxides Chemical class 0.000 claims description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 5
- 150000002739 metals Chemical class 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 239000002077 nanosphere Substances 0.000 claims description 4
- 229910052697 platinum Inorganic materials 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 235000007164 Oryza sativa Nutrition 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000002923 metal particle Substances 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229910052763 palladium Inorganic materials 0.000 claims description 3
- 229910052703 rhodium Inorganic materials 0.000 claims description 3
- 239000010948 rhodium Substances 0.000 claims description 3
- 235000009566 rice Nutrition 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 241000283973 Oryctolagus cuniculus Species 0.000 claims description 2
- 229910017052 cobalt Inorganic materials 0.000 claims description 2
- 239000010941 cobalt Substances 0.000 claims description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 2
- 229910052702 rhenium Inorganic materials 0.000 claims description 2
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 claims description 2
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims description 2
- 241000209094 Oryza Species 0.000 claims 2
- 150000004767 nitrides Chemical class 0.000 claims 2
- 229910045601 alloy Inorganic materials 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000000839 emulsion Substances 0.000 claims 1
- 239000010433 feldspar Substances 0.000 claims 1
- KTWOOEGAPBSYNW-UHFFFAOYSA-N ferrocene Chemical compound [Fe+2].C=1C=C[CH-]C=1.C=1C=C[CH-]C=1 KTWOOEGAPBSYNW-UHFFFAOYSA-N 0.000 claims 1
- 125000003983 fluorenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 claims 1
- 239000004005 microsphere Substances 0.000 claims 1
- 239000002086 nanomaterial Substances 0.000 claims 1
- 125000002080 perylenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC5=CC=CC(C1=C23)=C45)* 0.000 claims 1
- CSHWQDPOILHKBI-UHFFFAOYSA-N peryrene Natural products C1=CC(C2=CC=CC=3C2=C2C=CC=3)=C3C2=CC=CC3=C1 CSHWQDPOILHKBI-UHFFFAOYSA-N 0.000 claims 1
- 239000006185 dispersion Substances 0.000 abstract description 2
- 239000003863 metallic catalyst Substances 0.000 abstract 4
- 239000011805 ball Substances 0.000 description 18
- 239000000463 material Substances 0.000 description 8
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- 239000000969 carrier Substances 0.000 description 6
- 125000000524 functional group Chemical group 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- 238000003917 TEM image Methods 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- -1 'load Chemical compound 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 229910021393 carbon nanotube Inorganic materials 0.000 description 2
- 239000002041 carbon nanotube Substances 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 229940093476 ethylene glycol Drugs 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 150000001247 metal acetylides Chemical class 0.000 description 2
- 239000011807 nanoball Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- 229910019032 PtCl2 Inorganic materials 0.000 description 1
- 229910052771 Terbium Inorganic materials 0.000 description 1
- 229910052776 Thorium Inorganic materials 0.000 description 1
- 229910052775 Thulium Inorganic materials 0.000 description 1
- 229910052770 Uranium Inorganic materials 0.000 description 1
- 238000007259 addition reaction Methods 0.000 description 1
- 125000003158 alcohol group Chemical group 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 239000011942 biocatalyst Substances 0.000 description 1
- 230000002210 biocatalytic effect Effects 0.000 description 1
- 150000001721 carbon Chemical class 0.000 description 1
- 125000002843 carboxylic acid group Chemical group 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000007306 functionalization reaction Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- 125000000468 ketone group Chemical group 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 229910001004 magnetic alloy Inorganic materials 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 1
- 239000011943 nanocatalyst Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- CLSUSRZJUQMOHH-UHFFFAOYSA-L platinum dichloride Chemical compound Cl[Pt]Cl CLSUSRZJUQMOHH-UHFFFAOYSA-L 0.000 description 1
- 238000007342 radical addition reaction Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 229910052706 scandium Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/18—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
- B01J23/42—Platinum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/06—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of zinc, cadmium or mercury
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/24—Chromium, molybdenum or tungsten
- B01J23/28—Molybdenum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
-
- B01J35/23—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/12—Oxidising
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S977/00—Nanotechnology
- Y10S977/70—Nanostructure
- Y10S977/773—Nanoparticle, i.e. structure having three dimensions of 100 nm or less
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S977/00—Nanotechnology
- Y10S977/84—Manufacture, treatment, or detection of nanostructure
- Y10S977/842—Manufacture, treatment, or detection of nanostructure for carbon nanotubes or fullerenes
- Y10S977/843—Gas phase catalytic growth, i.e. chemical vapor deposition
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/252—Glass or ceramic [i.e., fired or glazed clay, cement, etc.] [porcelain, quartz, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/256—Heavy metal or aluminum or compound thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2984—Microcapsule with fluid core [includes liposome]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2989—Microcapsule with solid core [includes liposome]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31678—Of metal
Description
1242465 五、發明說明ο) 發明所屬之技術領域 且特本^明係有關於奈米碳球（carbon nan〇caPsuies) 、別有關於一種作為觸媒載體之奈米碳球。 先前技術 年來奈米碳球與奈米碳管於1991年一起被發現，然而十餘 程中有關奈米碳球的研究並不多。回顧奈米碳球的研發過 ^，’最初僅是在製造奈米碳管的同時發現少量奈米碳 方法而ί $只足夠在電子顯微鏡下觀察結構’且由於傳統 的凡7得產物以長奈米碳管為主，奈米碳球與碳管間有強鲁 古得瓦力’在量少的情況下不易將其分離純化，以致在 ^ I，奈米碳球的製備方面，一直沒有突破性的進展，使 不/、石灭球的相關應用陷於停頓狀態。 太=近年來經由不斷的嘗試及努力，終於在高純度中空 二=兔球或是高純度磁性金屬填充奈米碳球的製備都有進 步的成果（參考本案發明人相關專利申請案9丨丨〇 3 6 3 5及 91117435 ) 〇 奈米碳球（carbon nanocapsu；Le)的結構，是由多層 石墨層以球中球的形式所組成的多面體碳簇，其直徑約3 100 nm，外層具有與多層奈米碳管（carb〇n nan〇tube)鲁 相同的石墨層結構。奈米碳球又可分為中空碳球與填充金 屬碳球：中空碳球其内部為中空，而填充金屬碳球内部則 填充有金屬、金屬氧化物、金屬碳化物（metal carbide) 或合金材料。
1242465 發明說明（2) 如上述，由於奉半 碳六十與奈米碳營=反 寺殊的結構，使其具有不同於 碳球為高度石ί化姓構的^、磁性質，且多面體狀的奈米 與高表面積的特性：么具有堅硬、高導電導熱性 一护f田才a、週〇作為金屬觸媒微粒的支撑载體。 氧化鋁rZeolfte、為^金屬觸媒微粒支撐載體的材料包括： 管等碳材料。金屬觸、氧化鎂或是活性炭、奈米碳 因環境影響會產生不二著於不同的支撐載體上， 擇取決於特殊的催化效果。因此，觸媒載體的選 容、載體應用環境等條件。、屬觸媒微粒與載體是否相 文獻上已習知难从土丨 體，例如：活性炭、太二為金屬觸媒微粒的支樓載 催化效果已有許$報^米=官..等，並對這些觸媒載體的 球這樣的多面體碳蓉材枓=:，目前並沒有以類似奈米碳 有鐘於此，二ίΐί觸媒載體的研究報導。 本發明的目的在=二二I水破球在觸媒領域的應用潛能’ 以提出-種奈米碳;;；η;純度奈米碳球的製備技術， 欠承载金屬觸媒微粒結構體。 發明内容 為達上述目的，士& 碳球，包含有金屬觸媒種作為觸媒載體之奈米（ 結構可以化學通式F(j)A 、 °於此奈米碳球之表面，其 屬觸媒微粒’ n代表金屬‘ H :其中F為奈米碳球，Μ為金 取复屬觸媒微粒數目。 本發明中所使用之奈半石 反求為一種由多層石墨層以球
1242465 五、發明說明（3) 中球的結構所組的多面體碳簇，其直徑為介於3〜1〇〇 7二=層，有與多層奈米碳管相同的石墨層結構，其可為 空奈米碳球，或内部填充有金屬、金屬氧化物、金屬碳 7物或合金材料的金屬填充奈米碳球。上述填充於奈米碳 °卩之金屬較佳為磁性金屬、磁性金屬氧化物、磁性金 -奴化物或磁性合金材料。磁性金屬如為Sc、V、Cr、 :C〇、Nl、γ、Zr、Mo、Ru、Rh、pd ' La、Ce、Pr、 、Gd、Tb、、m Tm、Lu、Ta、Qs、Ir、Pt、 u Th、U或其組合’其中又以c〇、Fe、Ni、γ等元素 或其組合較佳 本务明中所使用之金屬觸媒微粒可為以金屬原子為主 觸：ί f 5 ί米團•’其具有催化化學反應之功能。金屬 :媒^的成分例如為純金屬、金屬氧化物、金屬碳化 、：屬鼠化物’或是合金材料。具體而言 鈀、铑、銅、‘載、鈷、鎳、金或銀等。 本發明中所使用之金屬觸媒 粒，例如為PtCl2(NH2)2St 巧有械孟屬从 由於奈米碳球在等。 石墨層的轉角處開始氧化，造杰π Μ ^才 要在其外層 的破壞，而金屬觸媒微粒便斷鍵而形成結構上-形成鍵結。因此在本發明；；與此奈米碳球重新· 中，金屬觸媒微粒主要鍵結於石Ί =體之奈米破球 處，與鄰近之碳原子形成—五外層石墨層之轉角 本發明所提供作為觸媒載== Μ股 < 不未石反球中，金屬觸媒
1242465
，而金屬觸媒微粒數目n的 微粒的 範圍則 有 奈米碳 結構的 此石墨 此奈米 質。此 接近金 化反應 性與高 載體， 所沒有 粒較佳為1〜2 0 n m之間 較佳介於1〜2 〇之間。 別於其它種類的碳材料觸 官···等），由於多面體狀 材料，其可提供特殊的石 層轉角位置的碳活性較強 碳球為觸媒微粒載體，可 外，以填充磁性金屬奈米 屬觸媒微粒的地方提供一 進行。因此，由於奈米碳 表面積的特性，使其適合 可穩定金屬觸媒微粒，且 的0 媒載體 的奈米 墨層轉 ，具有 使觸媒 碳球作 穩定的 球本身 作為金 此等特 (例如··活性炭、 碳球為高度石墨化· 角五元環碳結構， 推電子的效果，以 具有特殊的催化性 為載體，可以在最 磁場來協助觸媒催 堅硬、高導電導熱❿ 屬觸媒微粒的支樓 殊性質是其它材料 —# μ於本t明所開發出之奈米觸媒結構體具有不同於其 =j I材料的性質，因此應用範圍廣泛，例如可應用於燃 才：電池石化工業、有機合成sp in exchange反應、生物 催化觸媒、發光材料等。 發明詳細說明 本發明中’首先依據本案發明人先前所提出之奈米碳. 球t製備技ϋ來製備高純度奈米碳球。接著對此高純度奈 米石反^進行S能化。官能化奈米碳球的方式如以氧化還原 法、％加成反應、或自由基加成反應等方法將部分奈米碳 球表面之碳原子以官能基加以取代，使此奈米碳球形成矸
I1H 0424-9960TWF(Nl) ;02920007; renee ' --------- 第8頁 1242465 五、發明說明（5) 均勻分散於溶劑中之官能化奈米碳球，例如在奈米碳球表 面形成醇基（-0H)、酮基（-C = 0)、酸基（―CHO)、羧酸基 (-COOH)、-NHAr 基、-N+(CH3)2Ar基、氨基、=CC12 基、 -〇S03 -基、—〇H 基、-C(CH3)2COOCH3 基、-c(CH3)2CN 基等等。 ^ 之後，進行化學置換反應，將上述與奈米碳球鍵結之 ^能基置換為觸媒微粒，便形成一種作為觸媒載體之奈米 碳球。其方法例如為先將上述官能化奈米碳球溶於溶劑 中，使其均勻分散，接著再加入包含有觸媒成分之化合 \ 洛劑幸父佳例如為乙二醇（ethyl ene glycol )、乙 =、水或四氫喃（tetrahydrofuran，THF )，反應時間如έ 二〇小時，反應溫度較佳為溶劑的迴流溫度，亦即溶劑 婼H占固此化合物在溶劑中容易溶解為觸媒基團與不含觸 且i由於此不含觸媒之基團對鍵結於奈米碳球上 米浐^ ΐ :更大鍵結力，因此上述官能基傾向於脫離奈 二。在2同日士而Ξ t不含觸媒之基團形成更為穩定之化合 面形成配位鍵、结’此奈米碳球便成為觸媒載體 球表 π » =於奈米碳球本身為具有完整石墨結構盥ίζ f面籍Μ 定金屬觸媒；粒粒的支樓載體時，可提供穩 米碳球，盆且有以下一本^明提供之作為觸媒載體之奈痛 八/、虿以下二點特色： 斗甘:就、0構上而言，奈米碳球為多面，石山霖士士 枓，其上每一個雄搭2 7夕甸體石厌族材 立(W八ΛΑ志 原子皆為SP2構造。碳原子為X里思士士 口 1M刀的連接方式都是二 V 4 在石墨層中央 几裱，但在邊角或轉折部份則為五
0424-9960TW(N1)；〇2920〇〇7； 第9頁 1242465 五、發明說明（6) 疋環。此點有別於其它活性炭、奈米妒μ 些碳材料主要提供了六元環的平面石^皆等之碳材料，這 媒微粒，而多面體構造的奈米碳埭^結構來承栽金屬觸 供了大量的五元環碳結構。因此，；其石墨層轉角處提 選擇性在奈米碳球石墨層轉角處產生當的氧化劑可以 屬觸媒微粒沈積於此處。此外，由於官能基，進—步將金 碳活性較強，具有推電子的效果，以此石墨層轉角位置的 可使金屬觸媒具有特殊的催化性質。此為觸媒微粒載體， 第二點，以填充金屬奈米碳球 奈米碳球内部填充有具磁性的金屬，觸媒載體時，由於 特定觸媒催化反應進行。相較而言，因此可提供磁場幫助《 並不具磁性，因此有許多需藉由磁性:f的觸媒支撐載體 ，便需藉其它外加反首應拔例 磁性金屬微粒作為觸媒的方式來進 野方式或直接以 磁性金屬奈米碳球來作為觸媒支擇;體本;明以内部填充 屬觸媒微粒的地方提彳J£ 一 ^ ^ 、以在最接近金 作:：能具有特殊催化=U : 2用磁性輕易將觸媒與產物分離，而可進行回if‘ 用，除了可減輕工鞏吾方0士 、、 订ϋ收與再使 屬觸媒不易分離的問題。^、本’還可解決—般有機金 體，可使金屬；二易分散的碳材料，以此為觸媒載 屬觸媒則立易於分散均勾於奈米碳球載體上。 第10頁 0424-9960TW(m) ;02920007； renee.ptd 1242465 五、發明說明（7) 均勻分散於載 果。 綜上所述 有不同於其它 催化性質，並 的分散均勻性 觸媒載體之奈 池、石化工業 觸媒、發光材 為讓本發 顯易懂，下文 細說明如下： 體的金屬觸媒微粒可以發揮更佳的催化效 擔二二2 =球作為金屬觸媒微粒載體時，具 質，τ使金屬觸媒具有特殊的 由不t蛟球的良好分散性，提高金屬觸媒 乎3:提：其催化效果。由本發明提供作為 木反球，其可能的應用方向包括··燃料電 ^有機合成spin exchange反應、生物催化 料等。 明之上述和其他目的、特徵、和優點能更明 特舉出較佳實施例，並配合所附圖式，作詳 實施方式 以下實施例中分別以中空奈米碳球以及填充金屬轼 (Tb )奈米碳球作為鉑（p t )金屬微粒之觸媒載體。 實施例： 1 ·如第1圖所示，首先對中空奈米碳球進行官能化。 取1升燒瓶加入中空奈米碳球10克及50 Oml體積比1 : 1的 濃硫酸與硝酸混合溶液，經超音波震盪攪拌10 min後，開鲁 始加熱至約1 4 0 °C迴餾2小時。迴餾完後冷卻、將試樣以離 心方式使之與強酸分離，再以去離子水清洗中空奈米碳球 3次以上，直到清洗液接近中性為止。最後乾燥產物，此 產物為含羧酸官能基奈米碳球。此時試樣為黑色表面含有
0424-9960TWF(Nl)；02920007;renee.ptd 第 11 頁 1242465 五、發明說明（8) -COOH官能基之奈米碳球，以O.lMNaOH逆滴定鑑定得知每 克奈米碳球上含有的—C〇〇H官能基。 2·以穿透式電子顯微鏡（TEM)鑑定步驟1所得之產物 (第2圖），顯示步驟1之氧化法可選擇性優先氧化奈米碳球· 外殼轉角處的石墨層’產生破損並將-C 0 0 Η官能基勢造於 此轉角處。 3·取20 0 mg步驟1所得之鲮酸基化奈米碳球，加入2〇〇 ml乙二醇（ethylene glycol )溶液中，分散溶解後，再 加入 10 mg 氯化鉑（Platinum chloride, PtCl4)，撥样混合 均勻後於140 °C下迴餾6小時後，冷卻，離心‘集。見/ 參 4. 鑑定步驟3產物，可看出粒徑3nm的卜金屬觸媒均 勻分佈於奈米碳球表面（第3圖）。 5. 取填充磁性金屬（Tb )奈米碳球作為觸媒載體，重 複步驟1〜4，並以穿透式電子顯微鏡對填充磁性金屬夺米 碳球進行鑑定後’得到第4圖；再以穿透式電子顯微鏡對 作為觸媒載體之填充磁性金屬奈米碳球進行鑑定後，到 第5圖。 由第2圖與第4圖所示官能基化的中空奈米碳球與填充 金屬奈米碳球的TEM照片。由照片u，奈米碳球會因氧 化現象而在其外層石墨層的轉角處產生破損。由第3 籲 第5圖所示作為觸媒載體之中空奈米碳球與填充金屬夺;书 碳球之TEM圖，可見Pt金屬觸媒均勻分佈於奈米碳球表 面0 雖然本發明已以較佳實施例揭露如上，然其並非用以
1242465 五、發明說明（9) 限定本發明，任何熟習此技藝者，在不脫離本發明之精神 和範圍内，當可作些許之更動與潤飾，因此本發明之保護 範圍當視後附之申請專利範圍所界定者為準。 _
0424-9960TWF(Nl);02920007;renee.ptd 第 13 頁 1242465 圖式簡單說明 第1圖顯示實施例中奈米碳球的官能化。 第2圖顯示實施例中羧酸官能基化中空奈米碳球之TEM · 圖。 第3圖顯示實施例中作為觸媒載體之中空奈米碳球之 ^ TEM 圖。 第4圖顯示實施例中羧酸官能基化填充磁性金屬奈米 碳球之TEM圖。 第5圖顯示實施例中作為觸媒載體之填充磁性金屬奈 米碳球之TEM圖。 符號說明 無0
0424-9960TWF(N1);02920007;r enee.p t d 第14頁
Claims (1)
1242465 六、申請專利範圍 粒鍵結於該二奈：碳球，包含有金屬觸媒微 其中F為該奈米破球 ^雇K匕學通式K-AO n表示， 媒微粒數目。 X、’屬觸媒微粒，n代表金屬觸 碳球，其，該f1項所述之作為觸媒載體之奈米 構所組的多面體直一；=3石墨層以球中球的結 兔球’其中該奈米碳球為中空奈米碳球為觸媒載體之奈米 媒載體之奈米 金屬碳化物或合金材料的金屬填充奈米碳球金屬乳化物、 碳球，.Ϊ Ϊ Λ專二，項… ，、甲η的乾圍介於1〜2 0之間。 山.6.如申請專利範圍第丨項所述之作 長 石反球，其中該金屬觸蛘汽妆肖Υ I麗、’、載體之示米 奈米團蔟，其具有：：：；=::子為主體所組成之 ΐ ί利範圍第6項所述之作為觸婵載體之太乎 兔球’其中該金屬觸媒微粒為純金屬、金間媒載體之奈未 碳化物、金屬氮化物，或是合金材料。^乳化物、金屬 8 ·如申請專利範圍第7項所述之作 碳球，其中該金屬觸媒微粒為鉑、鈀/ 、載體之奈米 鎳、金或銀。 姥、銅、鐵、鈷、 9·如申請專利範圍第1項所述之作為觸媒載體之奈米
1242465
碳球，其中該今屬_ ，…專二媒 媒載 :::::)金屬觸媒微粒為^ (叫 山、11 ·如申請專利範圍第2項所述之作為 石反球，其中該令厘細… ’、、觸媒載體之奈米 τ Λ金屬觸媒微粒Μ是鍵結於該 墨層之轉角處。 ，丁、未石反球？外層石 1 2 ·如申凊專利範圍第丨丨項 之 米碳球，苴Φ兮人㈤〃 F馬觸媒載體之奈 ，、中5亥金屬觸媒微粒Μ與鄰近之碳屌早报士 ^ 元環結構。 灭原千形成一五 1 3 ·如申請專利範圍第丨項所述之作為 < 石厌球，其中該金屬觸媒微粒Μ的粒徑為1〜20 nm'之間。不” 微粒^ 士於種女作大為觸媒載體之奈米碳球’包含有金屬觸媒 之妷原子形成一五元環結構，其以化學通SF(—m)。表示， 其:F為該奈米碳球，Μ為該金屬觸媒微粒，^代表^ ^觸 媒微粒數目，該金屬觸媒微粒Μ的粒徑介於卜2〇 nm之間， η的範圍介於1〜2 〇之間。 ♦ 1 5 ·如申請專利範圍第1 4項所述之作為觸媒載體之奈 米反球，其中该奈米碳球為一種由多層石墨層以球中球的_ 結構所組的多面體碳簇，其直徑為介於3〜1〇〇 nm。 1 6 ·如申請專利範圍第1 4項所述之作為觸媒載體之奈 米碳球，其中該奈米碳球為中空奈米碳球。 1 7 ·如申請專利範圍第1 4項所述之作為觸媒載體之奈
0424-9960TWF(N1)；02920007;r enee. p t d 1242465 六、申請專利範圍 米碳球，其中該奈米碳球為内部填充有金屬、金屬氧化 物、金屬碳化物或合金材料的金屬填充奈米碳球。 1 8.如申請專利範圍第1 4項所述之作為觸媒載體之奈 米碳球，其中該金屬觸媒微粒為以金屬原子為主體所組成’ 之奈米團簇，其具有催化化學反應之功能。 1 9.如申請專利範圍第1 8項所述之作為觸媒載體之奈 米碳球，其中該金屬觸媒微粒為純金屬、金屬氧化物、金 屬碳化物、金屬氮化物，或是合金材料。 20.如申請專利範圍第1 9項所述之作為觸媒載體之奈 米碳球，其中該金屬觸媒微粒為鉑、鈀、铑、銅、鐵、_ I古、錄、金或銀。 2 1 .如申請專利範圍第1 4項所述之作為觸媒載體之奈 米碳球，其中該金屬觸媒微粒為有機金屬微粒。 22.如申請專利範圍第2 1項所述之作為觸媒載體之奈 米碳球，其中該金屬觸媒微粒為？1：(：12〇112)2或二茂鐵 (ferrocene ) 〇
0424-9960TWF(Nl);02920007;renee.ptd 第17頁
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW92119776A TWI242465B (en) | 2003-07-21 | 2003-07-21 | Carbon nanocapsule as catalyst support |
| US10/716,630 US6841509B1 (en) | 2003-07-21 | 2003-11-20 | Carbon nanocapsule supported catalysts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW92119776A TWI242465B (en) | 2003-07-21 | 2003-07-21 | Carbon nanocapsule as catalyst support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW200503833A TW200503833A (en) | 2005-02-01 |
| TWI242465B true TWI242465B (en) | 2005-11-01 |
Family
ID=33550769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW92119776A TWI242465B (en) | 2003-07-21 | 2003-07-21 | Carbon nanocapsule as catalyst support |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US6841509B1 (zh) |
| TW (1) | TWI242465B (zh) |
Families Citing this family (38)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0200260D0 (en) * | 2002-01-07 | 2002-02-20 | Inst Of Applied Catalysis The | Microparticles and methods of making them |
| JP2004082007A (ja) * | 2002-08-27 | 2004-03-18 | Honda Motor Co Ltd | 触媒粒子及びアルコールの脱水素触媒粒子 |
| US20050195966A1 (en) * | 2004-03-03 | 2005-09-08 | Sigma Dynamics, Inc. | Method and apparatus for optimizing the results produced by a prediction model |
| WO2005116650A2 (en) * | 2004-04-19 | 2005-12-08 | Sdc Materials, Llc | High throughput discovery of materials through vapor phase synthesis |
| TW200631586A (en) * | 2005-03-08 | 2006-09-16 | Phytohealth Corp | A method for preparing a pharmaceutical compound by way of magnetic carbon nanocapsules |
| DE102005019301A1 (de) * | 2005-04-26 | 2006-11-02 | Timcal Sa | Verfahren zur Weiterverarbeitung des bei der Fulleren- und Kohlenstoff-Nanostrukturen-Herstellung anfallenden Rückstandes |
| US8133637B2 (en) * | 2005-10-06 | 2012-03-13 | Headwaters Technology Innovation, Llc | Fuel cells and fuel cell catalysts incorporating a nanoring support |
| US7887771B2 (en) * | 2005-10-06 | 2011-02-15 | Headwaters Technology Innovation, Llc | Carbon nanorings manufactured from templating nanoparticles |
| US7718155B2 (en) * | 2005-10-06 | 2010-05-18 | Headwaters Technology Innovation, Llc | Carbon nanostructures manufactured from catalytic templating nanoparticles |
| US7935276B2 (en) * | 2006-02-09 | 2011-05-03 | Headwaters Technology Innovation Llc | Polymeric materials incorporating carbon nanostructures |
| US8945219B1 (en) | 2007-05-11 | 2015-02-03 | SDCmaterials, Inc. | System for and method of introducing additives to biological materials using supercritical fluids |
| WO2009015890A2 (de) * | 2007-07-31 | 2009-02-05 | Dws Synthesetechnik Dr. Peter Wilharm | Katalytisch wirkende magnetische nanopartikel |
| US8575059B1 (en) | 2007-10-15 | 2013-11-05 | SDCmaterials, Inc. | Method and system for forming plug and play metal compound catalysts |
| TWI374761B (en) * | 2008-05-13 | 2012-10-21 | Univ Nat Chiao Tung | Method for forming a drug container having the magnetic nano single-crystalline capsule |
| US20100215960A1 (en) * | 2009-02-24 | 2010-08-26 | Toyota Motor Engineering & Manufacturing North America, Inc. | Hollow carbon spheres |
| US8652992B2 (en) | 2009-12-15 | 2014-02-18 | SDCmaterials, Inc. | Pinning and affixing nano-active material |
| US9149797B2 (en) | 2009-12-15 | 2015-10-06 | SDCmaterials, Inc. | Catalyst production method and system |
| US20110143930A1 (en) * | 2009-12-15 | 2011-06-16 | SDCmaterials, Inc. | Tunable size of nano-active material on nano-support |
| WO2011084534A1 (en) * | 2009-12-15 | 2011-07-14 | Sdcmaterials Llc | Advanced catalysts for fine chemical and pharmaceutical applications |
| US8557727B2 (en) | 2009-12-15 | 2013-10-15 | SDCmaterials, Inc. | Method of forming a catalyst with inhibited mobility of nano-active material |
| US9039916B1 (en) | 2009-12-15 | 2015-05-26 | SDCmaterials, Inc. | In situ oxide removal, dispersal and drying for copper copper-oxide |
| US9126191B2 (en) * | 2009-12-15 | 2015-09-08 | SDCmaterials, Inc. | Advanced catalysts for automotive applications |
| US8545652B1 (en) | 2009-12-15 | 2013-10-01 | SDCmaterials, Inc. | Impact resistant material |
| US8470112B1 (en) | 2009-12-15 | 2013-06-25 | SDCmaterials, Inc. | Workflow for novel composite materials |
| US8803025B2 (en) * | 2009-12-15 | 2014-08-12 | SDCmaterials, Inc. | Non-plugging D.C. plasma gun |
| US8564954B2 (en) | 2010-06-15 | 2013-10-22 | Chipmos Technologies Inc. | Thermally enhanced electronic package |
| US8669202B2 (en) | 2011-02-23 | 2014-03-11 | SDCmaterials, Inc. | Wet chemical and plasma methods of forming stable PtPd catalysts |
| KR20140071364A (ko) | 2011-08-19 | 2014-06-11 | 에스디씨머티리얼스, 인코포레이티드 | 촉매작용에 사용하기 위한 코팅 기판 및 촉매 변환기 및 기판을 워시코트 조성물로 코팅하는 방법 |
| TWI429460B (zh) | 2011-12-19 | 2014-03-11 | Ind Tech Res Inst | 抗凝血劑共軛之奈米碳球、含其之抗血栓劑及其製造方法 |
| US9511352B2 (en) | 2012-11-21 | 2016-12-06 | SDCmaterials, Inc. | Three-way catalytic converter using nanoparticles |
| US9156025B2 (en) | 2012-11-21 | 2015-10-13 | SDCmaterials, Inc. | Three-way catalytic converter using nanoparticles |
| JP6027910B2 (ja) * | 2013-02-14 | 2016-11-16 | 公益財団法人微生物化学研究会 | 触媒の製造方法、及び光学活性アンチ−１，２−ニトロアルカノール化合物の製造方法 |
| US9586179B2 (en) | 2013-07-25 | 2017-03-07 | SDCmaterials, Inc. | Washcoats and coated substrates for catalytic converters and methods of making and using same |
| KR20160074566A (ko) | 2013-10-22 | 2016-06-28 | 에스디씨머티리얼스, 인코포레이티드 | 대형 디젤 연소 엔진용 촉매 디자인 |
| US9517448B2 (en) | 2013-10-22 | 2016-12-13 | SDCmaterials, Inc. | Compositions of lean NOx trap (LNT) systems and methods of making and using same |
| US9687811B2 (en) | 2014-03-21 | 2017-06-27 | SDCmaterials, Inc. | Compositions for passive NOx adsorption (PNA) systems and methods of making and using same |
| CN105199718B (zh) * | 2015-11-04 | 2017-05-17 | 山西大学 | 一种红色荧光金/铜纳米团簇合金及其制备方法和应用 |
| CN109351963B (zh) * | 2018-10-26 | 2020-08-04 | 中南大学 | 一种超黑材料及其制备方法和应用 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5456986A (en) * | 1993-06-30 | 1995-10-10 | Carnegie Mellon University | Magnetic metal or metal carbide nanoparticles and a process for forming same |
| US5543378A (en) * | 1993-10-13 | 1996-08-06 | E. I. Du Pont De Nemours And Company | Carbon nanostructures encapsulating palladium |
| US5547748A (en) * | 1994-01-14 | 1996-08-20 | Sri International | Carbon nanoencapsulates |
| TW577856B (en) * | 2002-12-25 | 2004-03-01 | Ind Tech Res Inst | Organically functionalized carbon nanocapsules |
-
2003
- 2003-07-21 TW TW92119776A patent/TWI242465B/zh not_active IP Right Cessation
- 2003-11-20 US US10/716,630 patent/US6841509B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US6841509B1 (en) | 2005-01-11 |
| TW200503833A (en) | 2005-02-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI242465B (en) | Carbon nanocapsule as catalyst support | |
| Baig et al. | Nanomaterials: A review of synthesis methods, properties, recent progress, and challenges | |
| Plonska‐Brzezinska | Carbon nano‐onions: a review of recent progress in synthesis and applications | |
| Serp et al. | Catalysis in carbon nanotubes | |
| Ren et al. | Facile synthesis of PtAu nanoparticles supported on polydopamine reduced and modified graphene oxide as a highly active catalyst for methanol oxidation | |
| Liang et al. | Progress, Mechanisms and Applications of Liquid‐Metal Catalyst Systems | |
| JPWO2021020377A5 (zh) | ||
| Ang et al. | Electroless plating of metals onto carbon nanotubes activated by a single-step activation method | |
| Qiu et al. | Controllable deposition of platinum nanoparticles on graphene as an electrocatalyst for direct methanol fuel cells | |
| Atar et al. | Silver, gold, and silver@ gold nanoparticle-anchored l-cysteine-functionalized reduced graphene oxide as electrocatalyst for methanol oxidation | |
| Yoon et al. | Microemulsion-templated synthesis of carbon nanotube-supported Pd and Rh nanoparticles for catalytic applications | |
| JP5957789B2 (ja) | 担体に担持されたコア−シェル粒子の製造方法 | |
| Zhang et al. | Single-walled carbon nanotube-based coaxial nanowires: synthesis, characterization, and electrical properties | |
| TW201240916A (en) | Methods of preparing carbinized nanotube composite and metal-nanotube composite catalyst | |
| TW200932673A (en) | Carbon nanotube powder, carbon nanotubes, and processes for their production | |
| Lu | Effect of surface modifications on the decoration of multi-walled carbon nanotubes with ruthenium nanoparticles | |
| Li et al. | A facile and efficient synthesis of polystyrene/gold–platinum composite particles and their application for aerobic oxidation of alcohols in water | |
| JP6898619B2 (ja) | 熱電変換素子用組成物およびその製造方法、熱電変換素子用成形体およびその製造方法、並びに熱電変換素子 | |
| TW201034970A (en) | Nano metal solution, nanometal complex grains and manufacturing method of metal film | |
| Sravani et al. | Bimetallic PtCu-decorated reduced graphene oxide (RGO)-TiO2 nanocomposite for efficient oxygen reduction reaction | |
| US10584030B2 (en) | Nanocrystalline composite catalyst for storing/supplying hydrogen, nanocrystalline composite catalyst mixture for storing/supplying hydrogen, and method for supplying hydrogen | |
| JP2004207228A (ja) | 触媒材料，電極およびこれを用いた燃料電池 | |
| Yadav et al. | Advances in the application of carbon nanotubes as catalyst support for hydrogenation reactions | |
| KR20130109711A (ko) | 그래핀의 제조 방법 | |
| Choi et al. | Hollow spherical nanocapsules of poly (pyrrole) as a promising support for Pt/Ru nanoparticles based catalyst |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MK4A | Expiration of patent term of an invention patent |