Photocatalytic activity of Bi<sub>2sub>WO<sub>6sub>/Bi<sub>2sub>S<sub>3sub> heterojunctions: the facilitation of exposed facets of Bi<sub>2sub>WO<sub>6sub> substrate
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- 作者：Long Yan<sup>asup><sup> ; sup><sup>bsup> ; Yufei Wang<sup>asup> ; Huidong Shen<sup>bsup> ; Yu Zhang<sup>bsup> ; Jian Li<sup>asup> ; Danjun Wang<sup>bsup><sup> ; sup><sup>yulyanlong@aliyun.com" class="auth_mail" title="E-mail the corresponding authorsup>
- 关键词：Bi2S3/Bi2WO6 ; Heterujunciton ; Exposed facet ; Inner electric field ; Photocatalysis
- 刊名：Applied Surface Science
- 出版年：2017
- 出版时间：30 January 2017
- 年：2017
- 卷：393
- 期：Complete
- 页码：496-503
- 全文大小：3506 K
文摘
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Bi<sub>2sub>S<sub>3sub>/Bi<sub>2sub>WO<sub>6sub> hybrids with exposed (020) Bi<sub>2sub>WO<sub>6sub> facets have been synthesized.
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X-ray photoelectron spectroscopy reveals that a small amount of Bi<sub>2sub>S<sub>3sub> was formed.
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The enhanced photoactivity of hybrids is due to heterojunction and (020) facets.
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A possible photocatalytic degradation mechanism is proposed.