Carbon doped solid solution Bi0.5Dy0.5VO4 for efficient photocatalytic hydrogen evolution from water

Carbon doped solid solution Bi0.5Dy0.5VO4 for efficient photocatalytic hydrogen evolution from water
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碳掺杂固溶体 Bi0.5Dy0.5VO4 用于高效光催化水中析氢

DOI:
10.1016/j.ijhydene.2016.04.217
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发表时间:
2016-09
影响因子:
7.2
通讯作者:
Tong, Jinhui
Tong, Jinhui
中科院分区:
工程技术2区
文献类型:
--
作者:
Li, Jianzhang;Zhong, Junbo;Wang, Fangping;Tong, Jinhui

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采用X射线衍射仪(XRD)、扫描电镜(SEM)、紫外-可见漫反射光谱(UV-vis)和光电流密度等测试手段对碳掺杂Bi 0. 5Dy 0. 5VO 4固溶体进行了表征。合成的样品显示出将水分解成氢的上级光催化活性:产氢量为506.3 μmol h−1g−1。活性的提高是由于碳球的光吸收行为和光生空穴和电子的有效分离。
In this study, carbon doped Bi0.5Dy0.5VO4solid solution was prepared and characterized by X-ray diffractometry (XRD), Scanning electron microscopy (SEM), UV–vis diffuse reflectance spectra, and photocurrent density. The as-synthesized sample shows the superior photocatalytic activity of splitting water into hydrogen: the amount of produced hydrogen is 506.3 μmol h−1g−1. The enhanced activity could be attributed to the light absorption behavior of the carbon spheres (CSs) and effective separation of photo-generated holes and electrons.
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