| 增强制氢性能的ZnO@ZnS空心微球S型异质结光催化剂 |
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| 引用本文： | 蒋洁,王国宏,邵琰池,王娟,周双,苏耀荣.增强制氢性能的ZnO@ZnS空心微球S型异质结光催化剂[J].催化学报,2022(2):329-338. |
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| 作者姓名： | 蒋洁 王国宏 邵琰池 王娟 周双 苏耀荣 |
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| 作者单位： | 湖北师范大学先进材料研究院, 湖北师范大学化学化工学院, 污染物分析与资源化技术湖北省重点实验室, 湖北黄石435002;深圳技术大学, 新材料与新能源学院, 广东深圳518118 |
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| 基金项目： | 国家自然科学基金(22075072,52003079);广东省基础与应用基础研究基金(2020A1515110873);深圳市基础研究面上项目(JCYJ20190813113408912);深圳技术大学新引进高端人才财政补助科研启动项目(2019211);湖北省自然科学基金(2019CFB568). |
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| 摘 要： | 随着近年来工业化进程的加速,能源消耗急剧增加,同时伴随着环境的恶化,开发可再生能源的需求日益迫切.氢能因具有高能量密度、零碳排放和可循环利用性而被认为是化石燃料最理想的替代者之一.当下几种制氢技术(如水电解法、丙烷脱氢法和石脑油热解法等)通常需要高温或高功耗,因此其大规模应用受到限制.半导体光催化分解水制氢技术可以将太...
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| 关 键 词： | ZnO@ZnS 空心微球 S型异质结 光催化制氢 |
Step-scheme ZnO@ZnS hollow microspheres for improved photocatalytic H2 production performance |
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| Jie Jiang,Guohong Wang,Yanchi Shao,Juan Wang,Shuang Zhou,Yaorong Su.Step-scheme ZnO@ZnS hollow microspheres for improved photocatalytic H2 production performance[J].Chinese Journal of Catalysis,2022(2):329-338. |
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| Authors: | Jie Jiang Guohong Wang Yanchi Shao Juan Wang Shuang Zhou Yaorong Su |
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| Institution: | (Hubei Key Laboratory of Pollutant Analysis and Reuse Technology,College of Chemistry and Chemical Engineering,Institute for Advanced Materials,Hubei Normal University,Huangshi 435002,Hubei,China;College of New Materials and New Energies,Shenzhen Technology University,Shenzhen 518118,Guangdong,China) |
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| Abstract: | Constructing a step-scheme heterojunction at the interface between two semiconductors is an effi-cient way to optimize the redox ability and accelerate the charge carrier separation of a photocata-lytic system for achieving high photocatalytic performance. In this study, we prepared a hierarchical ZnO@ZnS step-scheme photocatalyst by incorporating ZnS into the outer shell of hollow ZnO mi-crospheres via a simple in situ sulfidation strategy. The ZnO@ZnS step-scheme photocatalysts had a large surface area, high light utilization capacity, and superior separation efficiency for photogener-ated charge carriers. In addition, the material simulation revealed that the formation of the step-scheme heterojunction between ZnO and ZnS was due to the presence of the built-in electric field. Our study paves the way for design of high-performance photocatalysts for H2 production. |
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| Keywords: | ZnO@ZnS Hollow microspheres Step-scheme heterojunction Photocatalytic H2 production |
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