CdS形貌可控制备及其可见光分解水产氢性能

引用本文: 李曹龙, 赵宇婷, 曹菲, 王飞, 王越, 袁坚, 上官文峰. CdS形貌可控制备及其可见光分解水产氢性能[J]. 无机化学学报, 2013, 29(12): 2535-2542. doi: 10.3969/j.issn.1001-4861.2013.00.402 shu

Citation: LI Cao-Long, ZHAO Yu-Ting, CAO Fei, WANG Fei, WANG Yue, YUAN Jian, SHANGGUAN Wen-Feng. Synthesis of Morphology-Controlled CdS Photocatalysts for Hydrogen Evolution under Visible Light[J]. Chinese Journal of Inorganic Chemistry, 2013, 29(12): 2535-2542. doi: 10.3969/j.issn.1001-4861.2013.00.402 shu

CdS形貌可控制备及其可见光分解水产氢性能

李曹龙 ^1, ,
赵宇婷 ^1, ,
曹菲 ^1, ,
王飞 ^1, ,
王越 ^1, ,
袁坚 ^2, ,
上官文峰 ^2,

基金项目:
国家重点基础研究发展计划(973计划)(No.2009CN220000)资助项目。 (973计划)(No.2009CN220000)

摘要: 以还原型谷胱甘肽(GSH)作为硫源和结构导向剂水热法“一壶”制备系列硫化镉(CdS)光催化材料，采用透射电镜(HRTEM)、场发射扫描电镜(FESEM)、X射线衍射仪(XRD)、紫外可见漫反射(UV-Vis)、荧光光谱(PL)、比表面分析仪(BET)和光解水产氢反应等对催化材料的微观表面结构、光吸收性能以及光催化性能进行了研究。结果表明：通过调节反应物的n_Cd/n_S比和水热温度等参数可控的制备出分散性好的CdS实心纳米球(s-CdS)、空心纳米球(h-CdS)以及纳米棒(r-CdS)等不同微观形貌的光催化材料。对比研究了不同形貌光催化剂的光解水产氢的宏观性能，发现s-CdS产氢活性最高，h-Cd次之，r-CdS最差。这一结果可归结于构成实心球表面亚微晶的粒径相比其它形貌的小，导致电子-空穴对快速迁移至表面并与溶液反应，抑制体相复合，导致生成的氢气量大大的提高。

关键词:

形貌;硫化镉;光催化;水分解

English

Synthesis of Morphology-Controlled CdS Photocatalysts for Hydrogen Evolution under Visible Light

1.
1 Department of inorganic Chemistry, College of Science, China Pharmaceutical University, Nanjing 211169, China;
Received Date: 03 July 2013
Fund Project:
国家重点基础研究发展计划(973计划)(No.2009CN220000)资助项目。

Abstract: Novel CdS photocatalytic nanomaterials were synthesized by a simple "one-pot" hydrothermal biomolecule-assisted method using glutathione (GSH) as the sulfur source and structure-directing reagent. HRTEM, FESEM, XRD, UV-Vis, PL, BET and photo-stimulated surface reaction technology were used to investigate the surface structure, photo absorption property and photocatalytic performance of CdS. Results show that various morphologies of CdS photocatalysts, such as solid nanospheres (s-CdS), hollow nanospheres (h-CdS) and nanorods (r-CdS), were obtained. The photocatalytic activity of s-CdS was superior to that of h-CdS and r-CdS under visible light. The excellent photocatalytic activity of s-CdS was ascribed to the small sizes of subnanocrystallites, which make it easy for photoinduced electrons and holes on the solid sphere to migrate to the surface and react with water and the sacrificial agent quickly.

Key words:

morphology;CdS;photocatalysis;water splitting

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沈阳化工大学材料科学与工程学院沈阳 110142

CdS形貌可控制备及其可见光分解水产氢性能

English

Synthesis of Morphology-Controlled CdS Photocatalysts for Hydrogen Evolution under Visible Light

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中国化学会秘书处

CdS形貌可控制备及其可见光分解水产氢性能

English

Synthesis of Morphology-Controlled CdS Photocatalysts for Hydrogen Evolution under Visible Light

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

CCS Chemistry：颜徐州、鲍哲南： 你的皮肤可能是一片SPMs

CCS Chemistry：工作高效不疲劳，只须让催化剂动起来

CCS Chemistry：静电组装导向聚合- 聚电解质纳米凝胶量化制备新策略

CCS Chemistry：金黄色葡萄球菌醛基脱氢酶是如何识别特异性底物的？

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