CN106111179A - 一种小尺寸氮掺杂石墨烯光催化剂及其制备方法和应用 - Google Patents
一种小尺寸氮掺杂石墨烯光催化剂及其制备方法和应用 Download PDFInfo
- Publication number
- CN106111179A CN106111179A CN201610478649.3A CN201610478649A CN106111179A CN 106111179 A CN106111179 A CN 106111179A CN 201610478649 A CN201610478649 A CN 201610478649A CN 106111179 A CN106111179 A CN 106111179A
- Authority
- CN
- China
- Prior art keywords
- small size
- doped graphene
- preparation
- nitrogen
- photocatalyst
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 52
- 239000011941 photocatalyst Substances 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 238000003756 stirring Methods 0.000 claims abstract description 16
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 15
- 238000001027 hydrothermal synthesis Methods 0.000 claims abstract description 5
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 4
- 239000010439 graphite Substances 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000001914 filtration Methods 0.000 claims description 11
- 229910001868 water Inorganic materials 0.000 claims description 11
- PYWVYCXTNDRMGF-UHFFFAOYSA-N rhodamine B Chemical compound [Cl-].C=12C=CC(=[N+](CC)CC)C=C2OC2=CC(N(CC)CC)=CC=C2C=1C1=CC=CC=C1C(O)=O PYWVYCXTNDRMGF-UHFFFAOYSA-N 0.000 claims description 9
- 229940043267 rhodamine b Drugs 0.000 claims description 9
- 238000000502 dialysis Methods 0.000 claims description 8
- 239000008367 deionised water Substances 0.000 claims description 7
- 229910021641 deionized water Inorganic materials 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 239000000376 reactant Substances 0.000 claims description 6
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims 1
- 150000002500 ions Chemical class 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 239000003054 catalyst Substances 0.000 abstract description 20
- 238000005286 illumination Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 6
- 238000006555 catalytic reaction Methods 0.000 abstract description 5
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- NWZSZGALRFJKBT-KNIFDHDWSA-N (2s)-2,6-diaminohexanoic acid;(2s)-2-hydroxybutanedioic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O.NCCCC[C@H](N)C(O)=O NWZSZGALRFJKBT-KNIFDHDWSA-N 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine monohydrate Substances O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 abstract description 2
- 230000000593 degrading effect Effects 0.000 abstract 1
- 238000002156 mixing Methods 0.000 abstract 1
- 230000001699 photocatalysis Effects 0.000 description 20
- 238000007146 photocatalysis Methods 0.000 description 15
- 238000005516 engineering process Methods 0.000 description 9
- 230000015556 catabolic process Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 5
- 238000006731 degradation reaction Methods 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- 238000005119 centrifugation Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 229910002567 K2S2O8 Inorganic materials 0.000 description 2
- 238000002835 absorbance Methods 0.000 description 2
- 238000013019 agitation Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000000870 ultraviolet spectroscopy Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 1
- 238000006303 photolysis reaction Methods 0.000 description 1
- 230000015843 photosynthesis, light reaction Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000005556 structure-activity relationship Methods 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 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
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/24—Nitrogen compounds
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/39—Photocatalytic properties
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/40—Catalysts, in general, characterised by their form or physical properties characterised by dimensions, e.g. grain size
-
- 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
- B01J37/08—Heat treatment
- B01J37/10—Heat treatment in the presence of water, e.g. steam
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/308—Dyes; Colorants; Fluorescent agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/10—Photocatalysts
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Toxicology (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Catalysts (AREA)
Abstract
本发明公开了一种小尺寸氮掺杂石墨烯光催化剂及其制备方法和应用。先把氧化石墨超声分散获得氧化石墨烯溶液,然后加入氢氧化钠和水合肼,混合搅拌均匀,水热反应合成小尺寸的氮掺杂石墨烯光催化剂;在可见光光照下,该光催化材料对有机污染物表现出较好的降解活性;并且制备方法简单易行,制备催化剂的成本低,因此在解决环境污染和能源短缺问题具有广阔的实用价值和应用前景。
Description
技术领域
本发明属于光催化材料制备、光催化技术和水污染治理领域,具体涉及一种小尺寸氮掺杂石墨烯光催化剂及其制备方法和应用。
背景技术
太阳能是大自然赐予人类的一个清洁能源宝库,人们对太阳能利用的探索研究可以追溯到20世纪六七十年代,此后,以半导体材料为基础的光催化技术进入了人们的视线,因其可直接利用太阳能为驱动力,随后半导体光催化技术受到了各国政府和科学技术工作者们广泛的关注,并且在世界范围内得到了蓬勃的发展。随着催化和材料科学的迅猛发展,光催化技术作为一项绿色技术,一方面着力于水、空气和土壤等环境污染治理的基础和应用研究;另一方面,也开展了光解水制氢和染料敏化太阳能电池方面的研究。同时,由于不产生二次污染、成本低、能耗少、反应条件温和、操作简易、可回收反复利用等优点,光催化技术有望成为解决人类社会能源危机和环境问题的一种理想途径。
光催化材料的制备作为光催化技术发展的物质基础和关键,是光催化技术研究的核心重点。石墨烯基光催化剂自2009年报道以来在能源和环境方面得到了广泛的应用,例如光催化降解污染物,选择性有机转化,光催化还原CO2和光催化分解水制备氢等等,其中,石墨烯主要是作为一种助催化剂来提高半导体催化性能。最近研究表明,通过合理调节石墨烯的表面和电子特性,比如化学掺杂(氮掺杂),可以将石墨烯转化为n型半导体,并直接应用在光催化反应中。石墨烯合成方法简单,成本低并且化学稳定性好,通过对其电子特性进行调控直接制备具有半导体性质的石墨烯对新型催化剂的合成具有重大的意义。
催化剂的尺寸是影响催化性能的一个重要因素。通常,小尺寸的催化剂拥有更大的比表面积和更宽的禁带宽度。另一方面,通过降低催化剂的尺寸可以有效缩短载流子转移的路径,提高载流子分离的效率。此外,降低催化剂尺寸可以弱化催化剂对光的漫反射能力,从而提高催化剂的光吸收性能。研究表明,改变石墨烯的尺寸能够明显的影响其电子和光学特性,进而影响其光催化性能。因此,我们尝试着对氮掺杂石墨烯进行尺寸的调控,来探索尺寸的变化对氮掺杂石墨烯特性及其光催化效率的改变。
发明内容
本发明的目的在于提供一种具有光催化活性好、制作成本低、生产工艺简单等特点的小尺寸的氮掺杂石墨烯光催化剂及其制备方法和应用,以探究氮掺杂石墨烯的尺寸与其光催化性能之间的构效关系,制备的小尺寸的氮掺杂石墨烯光催化剂用于可见光下光催化降解有机污染物。
为实现上述目的,本发明采用如下技术方案:
一种小尺寸氮掺杂石墨烯可见光光催化剂
制备如上所述的小尺寸氮掺杂石墨烯光催化剂的方法包括以下步骤:
(1)氧化石墨烯(GO)的制备:
将P2O5和K2S2O8按1:1的质量比混合均匀,缓慢加入12 mL 98%浓H2SO4,加热到80 ℃,再加入石墨粉,恒温24 h;室温冷却,用水稀释后搅拌,然后静止;抽滤,得滤渣;所得滤渣干燥后溶于120 mL 98%浓H2SO4中,磁力搅拌下缓慢加入15 g KMnO4,并控制反应液的温度低于20 ℃,然后在35 ℃~40 ℃下搅拌反应2 h;边搅拌边缓慢加入250 mL水进行稀释并控制反应液的温度低于50 ℃;再加入1 L去离子水和20 mL 30%H2O2(逐滴加入),继续搅拌,放置过夜。过滤,滤渣用1:10盐酸:去离子水洗涤,离心分离,渗析洗涤,收集固体,干燥,然后最终获得的氧化石墨重新超声分散到去离子水里,获得氧化石墨烯溶液;
(2)小尺寸氮掺杂石墨烯光催化剂的制备:
将步骤(1)制得的氧化石墨烯(GO)、水合肼(N2H4·H2O)、氢氧化钠(NaOH)混合搅拌均匀,接着100 ℃水热12 h,而后冷却、渗析、过滤、洗涤、干燥得到小尺寸的石墨烯。
步骤(1)中,氧化石墨烯水溶液的浓度为1 mg/mL。
步骤(2)中,搅拌均匀后的反应液放入反应釜中,体积填充为80%;
一种如上所述的小尺寸氮掺杂石墨烯光催化剂的应用:用于可见光光催化降解有机染料罗丹明B,所述的光催化剂在波长405 ± 15 nm的可见光下照射6 h,90%的罗丹明B都已经被降解掉。
光催化降解有机污染物的具体步骤如下:
将一定量的催化剂分散于一定浓度的罗丹明B溶液中,搅拌均匀,室温下搅拌待吸附平衡后,光照一定时间,然后离心,而后在紫外-可见分光光度计上测定不同光催化时间下的吸光度。
本发明的显著优点在于:
(1)本发明通过一步水热合成法成功制备了具有更小尺寸的氮掺杂石墨烯光催化剂。在这水热反应过程中,氧化石墨烯不仅转变成氮掺杂的石墨烯,而且在尺寸上也被裁剪的更小。由于尺寸减小,则更有利于光生载流子的转移和分离,降低电子-空穴复合率。
(2)尺寸减小,比表面积增加,吸附能力增强,这些因素都有利于提高小尺寸的氮掺杂石墨烯在可见光下降解有机污染物的光催化活性。
(3)制备的小尺寸的氮掺杂石墨烯催化剂成本低、制备的工艺简单,并且具有比较好的光催化效果,有望应用于工业废水、废气的光催化处理,对于解决日益严重的环境污染问题具有重要意义。
附图说明
图1-A是大尺寸的氮掺杂石墨烯(L-NGR)的原子力显微镜图。
图1-B是小尺寸的氮掺杂石墨烯(S-NGR)的原子力显微镜图。
图2-a是L-NGR和S-NGR的C1s的XPS图;
图2-b是L-NGR和S-NGR的O1s的XPS图;
图2-c是L-NGR和S-NGR的N1s的XPS图。
图3是L-NGR和S-NGR的光催化降解有机染料罗丹明B图。
具体实施方式
本发明用下列实施例来进一步说明本发明的内容,但本发明的保护范围并不限于下列实施例。
实施例1
将P2O5和K2S2O8按1:1的质量比混合均匀,缓慢加入12 mL 98%浓H2SO4,加热到80 ℃,再加入石墨粉,恒温24 h;室温冷却,用水稀释后搅拌,然后静止;抽滤,得滤渣;所得滤渣干燥后溶于120 mL 98%浓H2SO4中,磁力搅拌下缓慢加入15 g KMnO4,并控制反应液的温度低于20 ℃,然后在35 ℃~40 ℃下搅拌反应2 h;边搅拌边缓慢加入250 mL水进行稀释并控制反应液的温度低于50 ℃;再加入1 L去离子水和20 mL 30%H2O2(逐滴加入),继续搅拌,放置过夜。过滤,滤渣用1:10盐酸:去离子水洗涤,离心分离,渗析洗涤,收集固体,干燥,然后最终获得氧化石墨重新超声分散到去离子水里,获得氧化石墨烯溶液;
将20 mg NaOH分散在80 mL氧化石墨烯溶液(1 mg/mL)中,经混合搅拌1 h后,0.5 mLN2H4·H2O添加到以上溶液中,将溶液置于反应釜中100 ℃水热反应12 h,然后冷却、渗析、洗涤、干燥得到S-NGR催化剂,其中S-NGR催化剂的粒径为300 nm;取80 mL氧化石墨烯溶液,经混合搅拌1 h后,0.5 mL N2H4·H2O添加到以上溶液中,将溶液置于反应釜中100 ℃水热反应12 h,然后冷却、渗析、洗涤、干燥得到L-NGR催化剂,其中L-NGR催化剂的粒径为930nm。
实施例2
将10 mg实施例1制得的催化剂(S-NGR催化剂为实验组,L-NGR催化剂为对照组)添加到5 ppm 60 mL的罗丹明B溶液中混合均匀,室温下搅拌待吸附平衡后,置于可见光(405 ±15 nm)下光照6 h,之后对关闭氙灯光源,将所有的离心管中的样品离心分离,离心后所得到的上层清液进一步转移到石英比色皿中在紫外-可见分光光度计上测定不同光催化时间下的吸光度,从而得到各个时间段下催化剂在可见光照射下对罗丹明B的光催化降解曲线图,结果如图3所示,可见S-NGR催化剂在光照6h后,罗丹明B的降解率为90%,而L-NGR催化剂在光照6h后,罗丹明B的降解率仅为25%,由此可得尺寸的改变对光催化性能产生明显的影响。
图1为所制备出的不同大小尺寸的氮掺杂石墨烯的原子力显微镜图,从图1(A)和(B)中可以得出,石墨烯经过碱处理之后,已经成功的被裁剪成更小片状的石墨烯。
图2为不同大小尺寸的氮掺杂石墨烯的XPS图,从图中可以清楚的看到我们已经成功合成出氮掺杂的石墨烯,并且尺寸的改变并没有对氮的含量产生明显的影响。
以上所述仅为本发明的较佳实施例,凡依本发明申请专利范围所做的均等变化与修饰,皆应属本发明的涵盖范围。
Claims (6)
1.一种小尺寸氮掺杂石墨烯光催化剂的制备方法,其特征在于:该方法的具体步骤为:
(1)将氧化石墨溶于去离子水中超声分散,得到氧化石墨烯溶液;
(2)将20 mg 氢氧化钠分散在80 mL氧化石墨烯溶液中,经混合搅拌1 h后,0.5 mL 水合肼添加到以上溶液中,将溶液置于反应釜中100 ℃水热反应12 h,反应结束后,待上述反应液冷却至室温;把反应液放入渗析袋中,渗析到离子浓度小于10 ppm;渗析完之后,抽滤,用去离子水洗涤,之后把样品干燥得到所述小尺寸氮掺杂石墨烯光催化剂。
2.根据权利要求1所述的小尺寸氮掺杂石墨烯光催化剂的制备方法,其特征在于:所述步骤(1)和步骤(2)中,氧化石墨烯溶液的浓度为1 mg/mL。
3.根据权利要求1所述的小尺寸氮掺杂石墨烯光催化剂的制备方法,其特征在于:所述步骤(2)中,将溶液置于反应釜中,体积填充为80%。
4.如权利要求1-3任一所述的制备方法制得的小尺寸氮掺杂石墨烯光催化剂。
5.根据权利要求4所述的小尺寸氮掺杂石墨烯光催化剂,其特征在于:所述小尺寸氮掺杂石墨烯的粒径为300 nm。
6.如权利要求4所述的小尺寸氮掺杂石墨烯光催化剂在降解有机染料罗丹明B中的应用。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610478649.3A CN106111179B (zh) | 2016-06-28 | 2016-06-28 | 一种小尺寸氮掺杂石墨烯光催化剂及其制备方法和应用 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610478649.3A CN106111179B (zh) | 2016-06-28 | 2016-06-28 | 一种小尺寸氮掺杂石墨烯光催化剂及其制备方法和应用 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106111179A true CN106111179A (zh) | 2016-11-16 |
CN106111179B CN106111179B (zh) | 2019-03-12 |
Family
ID=57265579
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610478649.3A Expired - Fee Related CN106111179B (zh) | 2016-06-28 | 2016-06-28 | 一种小尺寸氮掺杂石墨烯光催化剂及其制备方法和应用 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106111179B (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108636438A (zh) * | 2018-05-16 | 2018-10-12 | 成都理工大学 | 一种氧氮共掺杂石墨烯光催化剂及其制备方法和应用 |
CN109012730A (zh) * | 2018-08-17 | 2018-12-18 | 成都理工大学 | 一种可见光响应的硼氮共掺杂光催化剂及其制备方法和应用 |
CN111439801A (zh) * | 2020-04-17 | 2020-07-24 | 中国地质大学(北京) | 一种利用氮化石墨烯复合纳米纤维膜光热光催化协同处理高盐有机废水的方法 |
CN113398970A (zh) * | 2021-06-07 | 2021-09-17 | 武汉工程大学 | 一种ZnO纳米线阵列/三维氮掺杂rGO纳米管复合材料及其制备方法和应用 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102167310A (zh) * | 2011-01-30 | 2011-08-31 | 黑龙江大学 | 水热法制备氮掺杂石墨烯材料的方法 |
-
2016
- 2016-06-28 CN CN201610478649.3A patent/CN106111179B/zh not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102167310A (zh) * | 2011-01-30 | 2011-08-31 | 黑龙江大学 | 水热法制备氮掺杂石墨烯材料的方法 |
Non-Patent Citations (2)
Title |
---|
CHEN MA等: ""Controlled synthesis of graphene sheets with tunable sizes by hydrothermal cutting"", 《J NANOPART RES》 * |
TE-FU YEH等: ""Nitrogen-Doped Graphene Oxide Quantum Dots as Photocatalysts for Overall Water-Splitting under Visible Light Illumination"", 《ADV. MATER.》 * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108636438A (zh) * | 2018-05-16 | 2018-10-12 | 成都理工大学 | 一种氧氮共掺杂石墨烯光催化剂及其制备方法和应用 |
CN108636438B (zh) * | 2018-05-16 | 2021-10-26 | 成都理工大学 | 一种氧氮共掺杂石墨烯光催化剂及其制备方法和应用 |
CN109012730A (zh) * | 2018-08-17 | 2018-12-18 | 成都理工大学 | 一种可见光响应的硼氮共掺杂光催化剂及其制备方法和应用 |
CN109012730B (zh) * | 2018-08-17 | 2022-01-11 | 成都理工大学 | 一种可见光响应的硼氮共掺杂光催化剂及其制备方法和应用 |
CN111439801A (zh) * | 2020-04-17 | 2020-07-24 | 中国地质大学(北京) | 一种利用氮化石墨烯复合纳米纤维膜光热光催化协同处理高盐有机废水的方法 |
CN113398970A (zh) * | 2021-06-07 | 2021-09-17 | 武汉工程大学 | 一种ZnO纳米线阵列/三维氮掺杂rGO纳米管复合材料及其制备方法和应用 |
Also Published As
Publication number | Publication date |
---|---|
CN106111179B (zh) | 2019-03-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Qu et al. | Visible-light-responsive K-doped g-C3N4/BiOBr hybrid photocatalyst with highly efficient degradation of Rhodamine B and tetracycline | |
CN103623855B (zh) | 一种化学还原剂还原制备氮化碳/银纳米复合材料的方法 | |
Xin et al. | Synthesis of ZnS@ CdS–Te composites with p–n heterostructures for enhanced photocatalytic hydrogen production by microwave-assisted hydrothermal method | |
CN110152665B (zh) | CuO/Cu2O/Cu三元复合材料的制备方法 | |
CN106513020A (zh) | 一种钨酸铋‑二硫化钼/石墨烯复合材料的制备方法 | |
CN107159176A (zh) | 一种基于镍纳米颗粒助催化剂的光催化体系的构建方法 | |
CN106944074B (zh) | 一种可见光响应型复合光催化剂及其制备方法和应用 | |
CN109647487A (zh) | p-n结结构的Cu2O@g-C3N4纳米复合材料,合成制备方法及其应用 | |
CN106111179A (zh) | 一种小尺寸氮掺杂石墨烯光催化剂及其制备方法和应用 | |
CN109847780A (zh) | 一种AgBr/BiOI/g-C3N4三元复合催化材料的制备方法及其应用 | |
CN109174082A (zh) | 一种制备BiVO4/MnO2复合光催化氧化剂的方法 | |
CN109675607A (zh) | Fe3O4@ZnO@N-C复合光催化材料的制备方法 | |
CN109317183A (zh) | 一种氮化硼量子点/超薄多孔氮化碳复合光催化材料及其制备方法和应用 | |
CN110639620A (zh) | 用于降解四环素的复合光催化剂及其制备方法和应用 | |
CN106914268B (zh) | 一种石墨烯复合纳米材料及其制备方法和应用 | |
Wang et al. | Synergistic effect of the MoO 2/CeO 2 S-scheme heterojunction on carbon rods for enhanced photocatalytic hydrogen evolution | |
CN107935103A (zh) | 一种银基复合光催化剂降解印染废水的处理工艺 | |
CN109985618A (zh) | 一种H占据BiVO4-OVs的光催化材料、制备方法及其应用 | |
CN107986380A (zh) | 一种N掺杂包裹型TiO2光催化剂降解废水的工艺 | |
CN102671674A (zh) | 一种磁载溴化银光催化材料及其制备方法 | |
Sun et al. | Novel visible-light driven gC 3 N 4/Zn 0.25 Cd 0.75 S composite photocatalyst for efficient degradation of dyes and reduction of Cr (vi) in water | |
CN109731587A (zh) | 一种二维非金属光催化复合材料及其制备方法和应用 | |
Zhang et al. | In situ liquid‐phase growth strategies of g‐C3N4 solar‐driven heterogeneous catalysts for environmental applications | |
CN109529892A (zh) | 一种纳米带状moa复合光催化剂制备方法 | |
Lu et al. | Effective cascade modulation of charge-carrier kinetics in the well-designed multi-component nanofiber system for highly-efficient photocatalytic hydrogen generation |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190312 Termination date: 20210628 |
|
CF01 | Termination of patent right due to non-payment of annual fee |