CN115138382A - 一种用于可见光分解水制氢的花球状硫掺杂氮化碳催化剂及制备方法 - Google Patents
一种用于可见光分解水制氢的花球状硫掺杂氮化碳催化剂及制备方法 Download PDFInfo
- Publication number
- CN115138382A CN115138382A CN202210521565.9A CN202210521565A CN115138382A CN 115138382 A CN115138382 A CN 115138382A CN 202210521565 A CN202210521565 A CN 202210521565A CN 115138382 A CN115138382 A CN 115138382A
- Authority
- CN
- China
- Prior art keywords
- mixed solution
- glycerol
- sulfur
- stirring
- carbon nitride
- 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.)
- Withdrawn
Links
- 239000003054 catalyst Substances 0.000 title claims abstract description 30
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 title claims abstract description 28
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 239000001257 hydrogen Substances 0.000 title claims abstract description 22
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 238000000354 decomposition reaction Methods 0.000 title claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 11
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000011259 mixed solution Substances 0.000 claims abstract description 26
- 238000006243 chemical reaction Methods 0.000 claims abstract description 23
- 238000003756 stirring Methods 0.000 claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000002244 precipitate Substances 0.000 claims abstract description 11
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 11
- 239000011593 sulfur Substances 0.000 claims abstract description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000000843 powder Substances 0.000 claims abstract description 10
- UBMOVMSBYCJKBQ-UHFFFAOYSA-N propane-1,2,3-triol 1,3,5-triazine-2,4,6-triamine Chemical compound N1=C(N)N=C(N)N=C1N.OCC(O)CO UBMOVMSBYCJKBQ-UHFFFAOYSA-N 0.000 claims abstract description 10
- NQCBIMOYRRMVNA-UHFFFAOYSA-N propane-1,2,3-triol;hydrochloride Chemical compound Cl.OCC(O)CO NQCBIMOYRRMVNA-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000000243 solution Substances 0.000 claims abstract description 10
- 238000005406 washing Methods 0.000 claims abstract description 10
- 238000001291 vacuum drying Methods 0.000 claims abstract description 9
- 229920000877 Melamine resin Polymers 0.000 claims abstract description 6
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims abstract description 6
- WZRRRFSJFQTGGB-UHFFFAOYSA-N 1,3,5-triazinane-2,4,6-trithione Chemical compound S=C1NC(=S)NC(=S)N1 WZRRRFSJFQTGGB-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000001354 calcination Methods 0.000 claims abstract description 5
- 238000001027 hydrothermal synthesis Methods 0.000 claims abstract description 5
- 238000002156 mixing Methods 0.000 claims abstract description 5
- 239000012299 nitrogen atmosphere Substances 0.000 claims abstract description 5
- 229910021642 ultra pure water Inorganic materials 0.000 claims abstract description 5
- 239000012498 ultrapure water Substances 0.000 claims abstract description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 239000002127 nanobelt Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 238000000967 suction filtration Methods 0.000 claims description 4
- 239000011941 photocatalyst Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 8
- 238000002474 experimental method Methods 0.000 description 6
- 239000004065 semiconductor Substances 0.000 description 5
- 230000001699 photocatalysis Effects 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 238000004833 X-ray photoelectron spectroscopy Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000007146 photocatalysis Methods 0.000 description 2
- 238000006303 photolysis reaction Methods 0.000 description 2
- 230000015843 photosynthesis, light reaction Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000232299 Ralstonia Species 0.000 description 1
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- CKUAXEQHGKSLHN-UHFFFAOYSA-N [C].[N] Chemical compound [C].[N] CKUAXEQHGKSLHN-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000013032 photocatalytic reaction Methods 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method 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
Images
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
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
- B01J35/51—Spheres
-
- 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
Landscapes
- 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
一种用于可见光分解水制氢的花球状硫掺杂氮化碳及制备方法,属于光催化剂制备方法。步骤1、将三聚硫氰酸、浓盐酸溶于甘油溶液,搅拌得含硫盐酸甘油混合溶液;步骤2、将三聚氰胺分散在甘油溶液加热搅拌得澄清的三聚氰胺甘油混合溶液;步骤3、将含硫盐酸甘油混合溶液逐滴滴加到三聚氰胺甘油混合溶液中混合搅拌均匀后,将混合溶液转移到水热反应釜中,140‑170℃下反应15‑20h;步骤4、反应后将反应釜取出,所收集的沉淀物用超纯水清洗五次,乙醇清洗一次;步骤5、把洗净的沉淀物置于40‑60℃真空干燥12‑48h,得到浅灰色粉末;步骤6、将浅灰色粉末在540‑580℃氮气气氛下煅烧2‑4h。本发明工艺路线简单,制备的花球状硫掺杂氮化碳催化剂在可见光下具有高制氢活性。
Description
技术领域
本发明涉及一种氮化碳光催化剂制备领域,尤其涉及一种用于可见光分解水制氢的掺杂型氮化碳光催化剂的制备。
背景技术
氮化碳是由C、N两种元素组成的雷士石墨的一种层状聚合物半导体材料,它的带隙大约为2.7ev,是一种中等带隙的半导体,能吸收460nm以下的太阳光,从而可以部分利用太阳光中的可见光。氮化碳具有良好的热稳定性和化学稳定性,在光催化领域受到广泛关注。
通常条件下,以尿素、三聚氰胺等含碳氮前驱体为原料经过高温热缩聚得到的氮化碳多为片密集堆积的块状材料,紧密的堆积作用是的氮化碳材料的反应活性位点被阻碍。为了提高氮化碳的光催化活性,科研工作者们做了很多尝试,例如:元素和分子掺杂提高氮化碳的光吸收范围、改善电荷传输性能;形貌调控提高样品比表面积、增加活性位点;构建异质结提高载流子分离效率等。
发明内容
技术问题:本发明针对现有技术的现状提供了一种新的花球状硫掺杂氮化碳及制备方法,产品形貌新颖、特殊、反应位点大大增加,并使其用于可见光光催化分解水制备氢气。
技术方案:本发明包括一种用于可见光分解水制氢的花球状硫掺杂氮化碳微米结构催化剂材料,以及其催化剂材料的制备方法。
所述的花球状硫掺杂氮化碳微米结构催化剂材料包括:由多个纳米带状结构聚集而成的微米级球状结构,球外径为20-50μm,组成球体的纳米带宽度为200-800nm。
所述的花球状硫掺杂氮化碳催化剂的制备方法,包括如下步骤:
步骤1、将0.2-0.5g三聚硫氰酸、1.7-2.0ml浓盐酸溶于20-35ml甘油溶液,搅拌得含硫盐酸甘油混合溶液;
步骤2、将三聚氰胺1-4g分散在25-45ml甘油溶液加热搅拌得澄清的三聚氰胺甘油混合溶液,加热温度为35-55℃,搅拌速度为200-500rpm,搅拌时间为30-60min;
步骤3、将含硫盐酸甘油混合溶液逐滴滴加到三聚氰胺甘油混合溶液中混合搅拌均匀后,将混合溶液转移到水热反应釜中,再将密封好的反应釜置于烘箱内140-170℃下反应15-20h;
步骤4、反应后将反应釜取出,室温下静置自然冷却至室温,打开反应釜,用滤纸将内胆中沉淀下来的固体通过抽滤分离出来,所收集的沉淀物用超纯水清洗五次,乙醇清洗一次;
步骤5、把洗净的沉淀物置于40-60℃真空干燥箱内真空干燥12-48h,得到浅灰色粉末;
步骤6、将浅灰色粉末在540-580℃氮气气氛下煅烧2-4h,升温速率为2-10℃/min,得到黑色花球状硫掺杂氮化碳催化剂。
附图说明
图1为本发明实施例中花球状硫掺杂氮化碳微米结构催化剂的扫描电镜照片。
图2为本发明实施例催化剂的X射线光电子能谱(XPS)分析图。
图3 为本发明实施例和对比例催化剂在可见光光照下的制氢性能图。
图4 为本发明制备的花球状硫掺杂氮化碳催化剂循环使用的产氢稳定性图。
具体实施方式
下面结合具体实施例来进一步描述本发明,但实施例仅是示范性的,并不对本发明的范围构成任何限制。
实施例1
一种用于可见光下分解水制氢的花球状硫掺杂氮化碳催化剂及其制备方法,具体步骤如下:
步骤1、将0.3g三聚硫氰酸、1.8ml浓盐酸溶于30ml甘油溶液,搅拌得含硫盐酸甘油混合溶液;
步骤2、将三聚氰胺2.5g分散在35ml甘油溶液加热搅拌得澄清的三聚氰胺甘油混合溶液,加热温度为40℃,搅拌速度为300rpm,搅拌时间为40min;
步骤3、将含硫盐酸甘油混合溶液逐滴滴加到三聚氰胺甘油混合溶液中混合搅拌均匀后,将混合溶液转移到水热反应釜中,再将密封好的反应釜置于烘箱内145℃下反应16h;
步骤4、反应后将反应釜取出,室温下静置自然冷却至室温,打开反应釜,用滤纸将内胆中沉淀下来的固体通过抽滤分离出来,所收集的沉淀物用超纯水清洗五次,乙醇清洗一次;
步骤5、把洗净的沉淀物置于45℃真空干燥箱内真空干燥20h,得到浅灰色粉末;
步骤6、将浅灰色粉末在550℃氮气气氛下煅烧2h,升温速率为2℃/min,得到黑色花球状硫掺杂氮化碳催化剂。
实施例2
一种用于可见光下分解水制氢的花球状硫掺杂氮化碳催化剂及其制备方法,具体步骤如下:
步骤1、将0.4g三聚硫氰酸、1.9ml浓盐酸溶于32ml甘油溶液,搅拌得含硫盐酸甘油混合溶液;
步骤2、将三聚氰胺3g分散在30ml甘油溶液加热搅拌得澄清的三聚氰胺甘油混合溶液,加热温度为45℃,搅拌速度为250rpm,搅拌时间为45min;
步骤3、将含硫盐酸甘油混合溶液逐滴滴加到三聚氰胺甘油混合溶液中混合搅拌均匀后,将混合溶液转移到水热反应釜中,再将密封好的反应釜置于烘箱内155℃下反应18h;
步骤4、反应后将反应釜取出,室温下静置自然冷却至室温,打开反应釜,用滤纸将内胆中沉淀下来的固体通过抽滤分离出来,所收集的沉淀物用超纯水清洗五次,乙醇清洗一次;
步骤5、把洗净的沉淀物置于50℃真空干燥箱内真空干燥18h,得到浅灰色粉末;
步骤6、将浅灰色粉末在570℃氮气气氛下煅烧3h,升温速率为5℃/min,得到黑色花球状硫掺杂氮化碳催化剂。
实验例
通过光分解水产氢实验来测试花球状硫掺杂氮化碳催化剂的性能。
光解水产氢实验与常温常压下在容积为200ml的三颈石英烧瓶中进行,三颈烧瓶的瓶口用硅胶塞密封。采用功率为300w的氙灯作为光源,光源与反应器之间的距离为10cm。使用一块紫外截止滤光片(λ≥420nm)过滤掉紫外光,透过的可见光则作为光源用来激发光催化反应。在具体实验中,将50mg所制备的样品分散在80ml去离子水和10ml三乙醇胺牺牲剂的混合溶液中,3 wt%的 Pt 采用原位光沉积 H2PtCl6 的方式沉积在催化剂表面。光照之前向三颈烧瓶通入氮气,持续30min以排尽三颈烧瓶中的氧气,并将三颈烧瓶放在恒温水槽中设置温度为25℃以排除温度对实验的影响。实验中光照反应3h后,从三颈烧瓶上方抽取1ml气体通过气相色谱仪测试。
本发明获得的花球状硫掺杂氮化碳催化剂的扫描电镜照片如图1所示,催化剂形貌是由多个纳米带状结构聚集而成的微米级球状结构,组成球体的纳米带宽度为200-800nm;本发明获得的催化剂的XPS分析如图2所示,谱图中出现了硫的特征峰;本发明获得的催化剂与对比例催化剂在可见光下的制氢性能如图3所示,实施例1获得的催化剂产氢率为221μmol·g-1·h-1,实施例2获得的产氢率为186μmol·g-1·h-1,对比例的产氢率为38μmol·g-1·h-1,表明本发明催化剂在可见光下有良好的产氢能力;对本发明催化剂进行循环使用稳定性测试,结果如图4所示,第5次光催化的产氢测试其仍然具有良好的产氢能力,表明本发明制备的催化剂具有高度稳定性。
Claims (2)
1.一种用于可见光分解水制氢的花球状硫掺杂氮化碳催化剂的制备方法,其特征包括以下步骤:
步骤1、将0.2-0.5g三聚硫氰酸、1.7-2.0ml浓盐酸溶于20-35ml甘油溶液,搅拌得含硫盐酸甘油混合溶液;
步骤2、将三聚氰胺1-4g分散在25-45ml甘油溶液加热搅拌得澄清的三聚氰胺甘油混合溶液,加热温度为35-55℃,搅拌速度为200-500rpm,搅拌时间为30-60min;
步骤3、将含硫盐酸甘油混合溶液逐滴滴加到三聚氰胺甘油混合溶液中混合搅拌均匀后,将混合溶液转移到水热反应釜中,再将密封好的反应釜置于烘箱内140-170℃下反应15-20h;
步骤4、反应后将反应釜取出,室温下静置自然冷却至室温,打开反应釜,用滤纸将内胆中沉淀下来的固体通过抽滤分离出来,所收集的沉淀物用超纯水清洗五次,乙醇清洗一次;
步骤5、把洗净的沉淀物置于40-60℃真空干燥箱内真空干燥12-48h,得到浅灰色粉末;
步骤6、将浅灰色粉末在540-580℃氮气气氛下煅烧2-4h,升温速率为2-10℃/min,得到黑色花球状硫掺杂氮化碳催化剂。
2.权利要求1所述的一种用于可见光分解水制氢的花球状硫掺杂氮化碳催化剂,其特征在于:其形貌是由多个纳米带状结构聚集而成的微米级球状结构,球外径为20-50μm,组成球体的纳米带宽度为200-800nm。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210521565.9A CN115138382A (zh) | 2022-05-13 | 2022-05-13 | 一种用于可见光分解水制氢的花球状硫掺杂氮化碳催化剂及制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210521565.9A CN115138382A (zh) | 2022-05-13 | 2022-05-13 | 一种用于可见光分解水制氢的花球状硫掺杂氮化碳催化剂及制备方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN115138382A true CN115138382A (zh) | 2022-10-04 |
Family
ID=83406180
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202210521565.9A Withdrawn CN115138382A (zh) | 2022-05-13 | 2022-05-13 | 一种用于可见光分解水制氢的花球状硫掺杂氮化碳催化剂及制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN115138382A (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116371441A (zh) * | 2023-02-22 | 2023-07-04 | 武汉工程大学 | 一种含硫氮化碳材料及其制备方法与在光催化产氢方面的应用 |
-
2022
- 2022-05-13 CN CN202210521565.9A patent/CN115138382A/zh not_active Withdrawn
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116371441A (zh) * | 2023-02-22 | 2023-07-04 | 武汉工程大学 | 一种含硫氮化碳材料及其制备方法与在光催化产氢方面的应用 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN110013869B (zh) | 一种氮化碳纳米片负载碳化钛量子点及其制备方法和应用 | |
CN112354553B (zh) | 一种g-C3N4基p-n同质结光催化剂的制备方法和氢气的制备方法 | |
WO2021232751A1 (zh) | 一种多孔CoO/CoP纳米管及其制备方法和应用 | |
CN112473717B (zh) | 一种镍单原子/功能化石墨相氮化碳复合催化剂 | |
CN105709793A (zh) | 硫化镉纳米粒子修饰的五氧化二铌纳米棒/氮掺杂石墨烯复合光催化剂、制备方法与应用 | |
CN114570361B (zh) | 一种用于氨分解制氢Ru基催化剂及其制备方法 | |
CN115138382A (zh) | 一种用于可见光分解水制氢的花球状硫掺杂氮化碳催化剂及制备方法 | |
CN113562760B (zh) | 一种不同相态CdS纳米材料的相态可控制备方法及应用 | |
CN113600221B (zh) | 一种Au/g-C3N4单原子光催化剂及其制备方法和应用 | |
CN115181265B (zh) | 一种亚甲基修饰共价三嗪骨架材料及其制备方法和应用 | |
CN114917944A (zh) | 一种用于可见光分解水制氢的双球形铋、硫共掺杂氮化碳催化剂及制备方法 | |
CN113559856B (zh) | 一种钛酸钡/碘酸银异质结光催化剂的制备方法 | |
CN115041207A (zh) | 一种用于可见光分解水制氢的笼状球型锌掺杂氮化碳催化剂及制备方法 | |
CN115138384A (zh) | 一种用于可见光分解水制氢的花簇状钼、硫共掺杂三维氮化碳催化剂及制备方法 | |
CN114917946A (zh) | 一种用于可见光分解水制氢的球状磷、钨共掺杂氮化碳催化剂及制备方法 | |
CN115121272A (zh) | 一种用于可见光分解水制氢的空心球形钼、铋、硫共掺杂氮化碳催化剂及制备方法 | |
CN114939429A (zh) | 一种用于可见光分解水制氢的花球状磷掺杂三维氮化碳催化剂及制备方法 | |
CN115138383A (zh) | 一种用于可见光分解水制氢的松球状镍掺杂氮化碳催化剂及制备方法 | |
CN115121273A (zh) | 一种用于可见光分解水制氢的三维刺球状铋掺杂氮化碳催化剂及制备方法 | |
CN114917945A (zh) | 一种用于可见光分解水制氢的富碳空心三维花球状氮化碳催化剂及制备方法 | |
CN113996324A (zh) | 一种用于CO2光催化还原的SiC-C复合气凝胶的制备方法 | |
CN113398968A (zh) | 一种MOF衍生的TiO2/多孔g-C3N4复合光催化剂及其制备方法和应用 | |
CN110508293A (zh) | 一种用于光解水制氢的中空多级p-n结NiO@CdS复合纳米材料及其制备方法 | |
CN114054067B (zh) | 一种类石墨烯碳氮氧光催化剂及其制备方法 | |
CN112958124B (zh) | 一种铟掺杂碳化钼纳米花核壳结构光催化剂及其制备和应用 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20221004 |
|
WW01 | Invention patent application withdrawn after publication |