JP6252885B2 - 白金ナノ粒子を担持させた電極の製造方法 - Google Patents
白金ナノ粒子を担持させた電極の製造方法 Download PDFInfo
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- JP6252885B2 JP6252885B2 JP2013047377A JP2013047377A JP6252885B2 JP 6252885 B2 JP6252885 B2 JP 6252885B2 JP 2013047377 A JP2013047377 A JP 2013047377A JP 2013047377 A JP2013047377 A JP 2013047377A JP 6252885 B2 JP6252885 B2 JP 6252885B2
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- platinum
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- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 title claims description 367
- 229910052697 platinum Inorganic materials 0.000 title claims description 180
- 239000002105 nanoparticle Substances 0.000 title claims description 156
- 238000004519 manufacturing process Methods 0.000 title claims description 18
- 239000000758 substrate Substances 0.000 claims description 95
- 239000006185 dispersion Substances 0.000 claims description 56
- 238000007654 immersion Methods 0.000 claims description 41
- 239000002245 particle Substances 0.000 claims description 29
- 238000001035 drying Methods 0.000 claims description 6
- 239000000243 solution Substances 0.000 description 52
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 9
- 238000009826 distribution Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 229910006404 SnO 2 Inorganic materials 0.000 description 6
- 230000000844 anti-bacterial effect Effects 0.000 description 6
- 239000003054 catalyst Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000001235 sensitizing effect Effects 0.000 description 5
- 239000010408 film Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 4
- 239000004408 titanium dioxide Substances 0.000 description 4
- 238000004506 ultrasonic cleaning Methods 0.000 description 4
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 3
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 3
- 238000007598 dipping method Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 229910052740 iodine Inorganic materials 0.000 description 3
- 239000011630 iodine Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 229910052707 ruthenium Inorganic materials 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000007740 vapor deposition Methods 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- HSZCZNFXUDYRKD-UHFFFAOYSA-M lithium iodide Chemical compound [Li+].[I-] HSZCZNFXUDYRKD-UHFFFAOYSA-M 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000006479 redox reaction Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000003100 immobilizing effect Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 150000003057 platinum Chemical class 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000006057 reforming reaction Methods 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
Classifications
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- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/542—Dye sensitized solar cells
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Description
(1)超音波洗浄した基板を準備するステップ
(2)平均粒径が4nmの白金ナノ粒子を含む白金ナノ粒子分散溶液を準備するステップ
(3)上記白金ナノ粒子分散溶液を所定の温度に保持するステップ
(4)上記所定の温度に保持した白金ナノ粒子分散溶液に、上記洗浄した基板を所定の時間浸漬するステップ
(5)上記白金ナノ粒子分散溶液に浸漬した基板を乾燥させるステップ
以上、上記実施例1〜3でのFTO基板(または本発明に係る白金ナノ粒子を担持させた電極)の評価結果をまとめると以下のようになる。
(1)市販の基板(FTO基板)の表面抵抗率は場所によってムラがなく、13.4Ω/□である。
(2)FTO基板を白金ナノ粒子分散溶液に浸漬させても表面抵抗率は大きく変化しない。
(3)白金ナノ粒子分散溶液の温度を上げてFTO基板を浸漬させると表面抵抗率が僅かに小さくなる。
(4)白金ナノ粒子分散溶液の温度を上げても、本発明に係る白金ナノ粒子を担持させた電極表面の表面抵抗率は殆ど変化しない。
上述のように、室温(25℃)で、本発明に係る白金ナノ粒子を担持させた電極1の表面のシート抵抗と浸漬前のFTO基板のシート抵抗の値にほとんど差がなかった。これは白金ナノ粒子がFTO基板の表面に薄く吸着していることを示唆している。また、浸漬温度を高くしても表面抵抗率はほとんど変化しなかった。さらに、浸漬時間を長くしても表面抵抗率が大きく変化しなかった。
白金ナノ粒子のFTO基板表面への付着は、白金ナノ粒子分散液をできるだけ高く(70℃)し、90分程度の浸漬時間で完了する。最大出力は浸漬温度70℃、浸漬時間90分で、1.08mW得られる。これは白金蒸着膜を用いたときの約65.5%の電力に相当する。
10:色素増感型太陽電池(DSC)
12:透明電極(FTO)
14:酸化チタン膜
16:ヨウ素溶液
Claims (3)
- 平均粒径40〜300nmの粒子から構成されたFTO基板を洗浄し、
前記基板を構成する粒子の平均粒径より小さい平均粒径の白金ナノ粒子を含み、室温より高温の所定の温度に保持した白金ナノ粒子分散溶液に、洗浄した前記FTO基板を最適浸漬時間以上浸漬した後、
浸漬した前記FTO基板を高温で乾燥させて作製する、白金ナノ粒子を担持させた電極の製造方法であって、
前記白金ナノ粒子分散溶液に浸漬した前記FTO基板上に希薄に分散され、平均粒径40nm以下の白金ナノ粒子が該FTO基板上に固定された、白金ナノ粒子を担持させた電極の製造方法。 - 洗浄した前記FTO基板を浸漬する前記最適浸漬時間は90分である、請求項1に記載の白金ナノ粒子を担持させた電極の製造方法。
- 前記FTO基板を浸漬する前記白金ナノ粒子分散溶液を保持する前記所定の温度を70℃以上とした、請求項1に記載の白金ナノ粒子を担持させた電極の製造方法。
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JP2013047377A JP6252885B2 (ja) | 2013-03-08 | 2013-03-08 | 白金ナノ粒子を担持させた電極の製造方法 |
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JP2013047377A JP6252885B2 (ja) | 2013-03-08 | 2013-03-08 | 白金ナノ粒子を担持させた電極の製造方法 |
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JP2014175186A JP2014175186A (ja) | 2014-09-22 |
JP6252885B2 true JP6252885B2 (ja) | 2017-12-27 |
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JP6354462B2 (ja) | 2014-08-29 | 2018-07-11 | 本田技研工業株式会社 | Ghファミリー10に属する耐熱性キシラナーゼ |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2006073487A (ja) * | 2004-09-06 | 2006-03-16 | Erekuseru Kk | 色素増感太陽電池用対極及びその製造方法、並びに色素増感太陽電池 |
KR100882503B1 (ko) * | 2004-10-06 | 2009-02-06 | 한국과학기술연구원 | 염료감응 태양전지용 고효율 대향전극 및 그 제조방법 |
JP4895012B2 (ja) * | 2005-09-16 | 2012-03-14 | 三菱マテリアル株式会社 | 接触抵抗の小さい多孔質チタンおよびその製造方法 |
JP4872078B2 (ja) * | 2006-02-27 | 2012-02-08 | 国立大学法人 新潟大学 | 白金修飾電極の製造方法 |
TWI330409B (en) * | 2006-09-08 | 2010-09-11 | Nat Univ Tsing Hua | Method for forming an electrode comprising an electrocatalyst layer thereon and electrochemical device comprising the same |
JP2009174031A (ja) * | 2008-01-28 | 2009-08-06 | Ib Net:Kk | 金属ナノ粒子を用いた表面処理方法、その表面処理方法を用いて表面処理された器具 |
TW201017894A (en) * | 2008-10-31 | 2010-05-01 | Tripod Technology Corp | Method of forming an electrode including an electrochemical catalyst layer |
JP2014175175A (ja) * | 2013-03-08 | 2014-09-22 | Univ Of Tokyo | 電極基板、電極基板を用いた電池、および電極基板の製造方法 |
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