CN109248706A - 碳纳米管氮化碳复合材料及合成方法 - Google Patents
碳纳米管氮化碳复合材料及合成方法 Download PDFInfo
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- CN109248706A CN109248706A CN201811248359.5A CN201811248359A CN109248706A CN 109248706 A CN109248706 A CN 109248706A CN 201811248359 A CN201811248359 A CN 201811248359A CN 109248706 A CN109248706 A CN 109248706A
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 239000002041 carbon nanotube Substances 0.000 title claims abstract description 13
- 229910021393 carbon nanotube Inorganic materials 0.000 title claims abstract description 13
- 239000002131 composite material Substances 0.000 title claims description 3
- 229910052799 carbon Inorganic materials 0.000 title description 2
- 238000010189 synthetic method Methods 0.000 title description 2
- 239000000463 material Substances 0.000 claims abstract description 21
- 238000006555 catalytic reaction Methods 0.000 claims abstract description 12
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims abstract description 3
- 230000005855 radiation Effects 0.000 claims abstract description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 3
- 239000004202 carbamide Substances 0.000 claims description 3
- 230000003197 catalytic effect Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000011941 photocatalyst Substances 0.000 claims 1
- 238000003786 synthesis reaction Methods 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 abstract description 7
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 7
- 230000001699 photocatalysis Effects 0.000 abstract description 7
- 238000002360 preparation method Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007146 photocatalysis Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000006303 photolysis reaction Methods 0.000 description 1
- 230000015843 photosynthesis, light reaction Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
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- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
- C01B3/04—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by decomposition of inorganic compounds, e.g. ammonia
- C01B3/042—Decomposition of water
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/02—Processes for making hydrogen or synthesis gas
- C01B2203/0266—Processes for making hydrogen or synthesis gas containing a decomposition step
- C01B2203/0277—Processes for making hydrogen or synthesis gas containing a decomposition step containing a catalytic decomposition step
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/10—Catalysts for performing the hydrogen forming reactions
- C01B2203/1041—Composition of the catalyst
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/10—Catalysts for performing the hydrogen forming reactions
- C01B2203/1041—Composition of the catalyst
- C01B2203/1088—Non-supported catalysts
-
- 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
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Inorganic Chemistry (AREA)
- Catalysts (AREA)
Abstract
本发明涉及一种光催化材料及其制备方法，属于无机光催化材料领域。这种光催化材料包括氮化碳及碳纳米管及它们的混合物。本发明制备的光催化材料在400到1000nm波长范围内具有光催化活性，能够在可见光或自然光辐射下光催化水分解产生氢气。
Description
技术领域
本发明涉及一种新型光催化材料。
本发明还涉及上述光催化材料的制备方法。
本发明还涉及上述光催化材料的用途。
背景技术
在新能源的领域，氢能的燃烧值是汽油的几倍，传统的制氢方法，工艺复杂，能源消耗大，光解水制氢气不但节省能源，而且还环保，其意义十分重大。氮化碳这种类石墨烯的材料具有无毒，稳定性好，优秀的光解水产氢能力，但是如何合理的进行改性提高它的性能是目前研究的热点问题之一。
发明内容
本发明的意义在于提供一种高效稳定的新型光催化材料，这种光催化材料能够被可见光激发，并且有非常好的光催化分解水产生氢气的活性，同时制备过程简便、成本很低。
本发明提供的光催化材料是氮化碳基光催化材料。
本发明提供的氮化碳基光催化材料的制备方法如下：
将一定量的尿素倒入一定量一定浓度的碳纳米管溶液中，放入马弗炉中在300-600℃焙烧一定时间获得催化材料。
在可见光辐射下光解水产生氢气活性测试具体方法和条件如下：
光催化材料的活性测试是在自制的50mL密封石英反应器中进行的。采用Led灯(λ＞450nm)为辐射光源，反应液为含有一定量的牺牲剂，用来消耗光生空穴。然后加入一定量的氮化碳光催化材料。在持续的搅拌下每隔60min抽取少量反应器中的气体，通过气相色谱确定产生氢气的量。
具体实施方案
实施方案1
将20g尿素溶解于5mL浓度为1mg/L的碳纳米管溶液中，搅拌20min，将混合物放入坩埚中，以5℃/min的速率升温至500℃，保持4h，获得材料。
实施方案2
将实施方案1中的1mg/L的碳纳米管溶液改为0.5mg/L，其它条件不变。
实施方案3
将实施方案1中的1mg/L的碳纳米管溶液改为2mg/L，其它条件不变。
实施方案4
将实施方案1中的1mg/L的碳纳米管溶液改为3mg/L，其它条件不变。
实施方案5
将实施方案1中1mg/L的碳纳米管溶液改为4mg/L，其它条件不变。
实施方案6
将实施方案1中1mg/L的碳纳米管溶液改为5mg/L，其它条件不变。
本发明不限于以上实施方案。
Claims (3)
1.碳纳米管氮化碳复合光催化材料，其特征在于包括如下合成步骤：
将一定量的尿素倒入一定量一定浓度的碳纳米管溶液中，放入马弗炉中在300-600℃焙烧一定时间获得催化材料。
2.氮化碳基光催化材料包括氮化碳和碳纳米管及它们的混合物。
3.根据权利要求1和2的光催化材料，其特征在于在可见光的辐射下能够分解水产生氢气。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811248359.5A CN109248706A (zh) | 2018-10-25 | 2018-10-25 | 碳纳米管氮化碳复合材料及合成方法 |
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| CN201811248359.5A CN109248706A (zh) | 2018-10-25 | 2018-10-25 | 碳纳米管氮化碳复合材料及合成方法 |
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| CN109248706A true CN109248706A (zh) | 2019-01-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112023969A (zh) * | 2020-08-20 | 2020-12-04 | 江苏大学 | 2D-g-C3N4/1D-MWNTs/2D-rGO杂化光催化材料的制备方法与应用 |
| CN113198515A (zh) * | 2021-05-19 | 2021-08-03 | 上海城投原水有限公司 | 一种三元光催化剂及其制备方法与应用 |
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| US20090155163A1 (en) * | 2007-12-13 | 2009-06-18 | Korea Advanced Instiute Of Science And Technology | Transition Metal-Carbon Nanotube Hybrid Catalyst Containing Nitrogen, Method for Preparation Thereof, and Method for Generation of Hydrogen Using the Same |
| CN103601162A (zh) * | 2013-11-26 | 2014-02-26 | 天津大学 | 一种石墨型氮化碳纳米管的制备方法 |
| CN104801325A (zh) * | 2014-01-24 | 2015-07-29 | 华东理工大学 | 光催化剂复合结构体及其制备方法 |
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2018
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Patent Citations (5)
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| US20090155163A1 (en) * | 2007-12-13 | 2009-06-18 | Korea Advanced Instiute Of Science And Technology | Transition Metal-Carbon Nanotube Hybrid Catalyst Containing Nitrogen, Method for Preparation Thereof, and Method for Generation of Hydrogen Using the Same |
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Non-Patent Citations (1)
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| YILIN CHEN ET AL.: "Origin of the enhanced visible-light photocatalytic activity of CNT modified g-C3N4 for H2 production", 《PHYS.CHEM.CHEM.PHYS.》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112023969A (zh) * | 2020-08-20 | 2020-12-04 | 江苏大学 | 2D-g-C3N4/1D-MWNTs/2D-rGO杂化光催化材料的制备方法与应用 |
| CN112023969B (zh) * | 2020-08-20 | 2023-06-13 | 江苏大学 | 2D-g-C3N4/1D-MWNTs/2D-rGO杂化光催化材料的制备方法与应用 |
| CN113198515A (zh) * | 2021-05-19 | 2021-08-03 | 上海城投原水有限公司 | 一种三元光催化剂及其制备方法与应用 |
| CN113198515B (zh) * | 2021-05-19 | 2023-07-28 | 上海城投原水有限公司 | 一种三元光催化剂及其制备方法与应用 |
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