Carbon quantum dots decorated MoSe₂ photocatalyst for Cr(VI) reduction in the UV-vis-NIR photon energy range

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• 作者：Zhenxing Ren^a ; Xinjuan Liu^b ; ^{lxj669635@126.com} ; Haipeng Chu^b ; Huangze Yu^b ; Yuanyuan Xu^b ; Wei Zheng^b ; Wenyan Lei^b ; Pengbin Chen^b ; Jianwei Li^c ; Can Li^b
• 关键词：Ultraviolet&ndash ; visible-near infrared active ; MoSe2 ; Carbon quantum dots ; Up-converting properties ; Cr(VI)
• 刊名：Journal of Colloid and Interface Science
• 出版年：2017
• 出版时间：15 February 2017
• 年：2017
• 卷：488
• 期：Complete
• 页码：190-195
• 全文大小：1537 K
• 卷排序：488

文摘

Developing whole spectrum responsive photocatalysts is one of greatly significant subjects from the viewpoint of using solar energy. Here we have firstly developed a carbon quantum dots-decorated MoSe2 photocatalyst that is active in the whole spectrum of solar light for Cr(VI) reduction. The Cr(VI) reduction rate of higher than 99% has been achieved with 1 wt.% nanocarbon emersions under UV, visible and near-infrared irradiation at 180 min. Improvement is attributed to its excellent light absorption, efficient charge separation, and the light down converting effect of carbon quantum dots.