钛网上CdS纳米微球的制备及可见光下产氢性能研究

硅酸盐通报 ›› 2024, Vol. 43 ›› Issue (2): 727-733.

所属专题：新型功能材料

钛网上CdS纳米微球的制备及可见光下产氢性能研究

陈志强¹, 崔磊^1,2, 董晶^1,2, 李海霞¹, 夏炜炜²

1.宿迁学院信息工程学院,宿迁 223800;
2.扬州大学物理科学与技术学院,扬州 225002

收稿日期:2023-09-05 修订日期:2023-11-05 出版日期:2024-02-15 发布日期:2024-02-05
通信作者: 崔磊,教授。E-mail:cuilei8222@126.com
作者简介:陈志强(1983—),男,高级实验师。主要从事半导体纳米材料的研究。E-mail:kolaby@163.com
基金资助:
江苏省六大人才高峰项目(XCL227);江苏省高校“青蓝工程”自助(20210310);宿迁市重点实验室资助(M202109);宿迁学院多功能材料研发平台(2021pt04);宿迁学院科技创新团队资助;江苏省航空发动机用钛基复合材料研发创新平台;宿迁学院江苏省家禽智慧养殖与智能装备工程研究中心开放基金资助

Preparation of CdS Nanospheres on Titanium Meshes with Photocatalytic H₂ Evolution under Visible Light

CHEN Zhiqiang¹, CUI Lei^1,2, DONG Jing^1,2, LI Haixia¹, XIA Weiwei²

1. College of Information and Technology, Suqian University, Suqian 223800, China;
2. College of Physics Science and Technology, Yangzhou University, Yangzhou 225002, China

Received:2023-09-05 Revised:2023-11-05 Online:2024-02-15 Published:2024-02-05

摘要/Abstract

摘要： 为了提高催化剂的光催化产氢能力,本文采用简单的水热法,在处理后的钛网表面生长了CdS纳米微球。利用X射线衍射仪(XRD)、扫描电子显微镜(SEM)、透射电子显微镜(TEM)和X射线光电子能谱(XPS)等测试手段对样品的成分、结构、形貌进行了表征,并研究了其光电化学性能及可见光下光催化性能。结果表明,钛网上生长的CdS微球由纳米棒组装而成,通过缺陷调控,Cd/S物质的量之比为1∶1(CdS-1)的样品具有良好的光电响应,在零偏压下最大光电流约为140 μA,可见光下的产氢率可达212.6 μmol·h^-1·cm^-2,并且方便回收,是一种理想的光催化产氢材料。

关键词: 水热法, 缺陷调控, 钛网, CdS纳米微球, 光电化学性能, 光催化产氢

Abstract: It is an interesting topic to improve the photocatalytic H₂ evolution activities of catalysts. In this parper, CdS nanospheres on titanium meshes have been synthesized by a simple hydrothermal method. The composition, microstructure and morphology of samples were investigated using X-ray diffractometer (XRD), scan electron microscopy (SEM), transmission electron microscope (TEM) and X-ray photoelectron spectroscopy (XPS).And the photoelectrochemical properties and photocatalytic properties under visible light were studied. The results show that, each CdS nanosphere on titanium meshes is self-assembled with nanorods. Then, the samples were used as photoelectrochemical photoanodes and photocatalytic water-splitting processes, the samplewith a Cd/S amount of substance ratio of 1∶1 (CdS-1) has a good photoelectric response, and has a maximal photocurrent of ~140 μA. At the same time, the results show that the sample has a good H₂ evolution activity with the rate of 212.6 μmol·h^-1·cm^-2 and recycling convenient, reusable, which can be an ideal photocatalyst.

Key words: hydrothermal method, defect control, titanium mesh, CdS nanosphere, photoelectrochemical property, photocatalytic hydrogen evolution

中图分类号:

O643
O474

陈志强, 崔磊, 董晶, 李海霞, 夏炜炜. 钛网上CdS纳米微球的制备及可见光下产氢性能研究[J]. 硅酸盐通报, 2024, 43(2): 727-733.

CHEN Zhiqiang, CUI Lei, DONG Jing, LI Haixia, XIA Weiwei. Preparation of CdS Nanospheres on Titanium Meshes with Photocatalytic H₂ Evolution under Visible Light[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2024, 43(2): 727-733.

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钛网上CdS纳米微球的制备及可见光下产氢性能研究

Preparation of CdS Nanospheres on Titanium Meshes with Photocatalytic H₂ Evolution under Visible Light

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钛网上CdS纳米微球的制备及可见光下产氢性能研究

Preparation of CdS Nanospheres on Titanium Meshes with Photocatalytic H2 Evolution under Visible Light

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Preparation of CdS Nanospheres on Titanium Meshes with Photocatalytic H₂ Evolution under Visible Light