个人信息
教师姓名：张永才
教师拼音名称：ZYC
电子邮箱：
入职时间：2003-06-01
所在单位：化学化工学院
职务：professor
学历：博士研究生毕业
办公地点：N111, New Chemistry Building, Yangzhou University, No.180 Siwangting Road, Yangzhou City
联系方式：zhangyc@yzu.edu.cn
学位：博士
职称：副高级
在职信息：在岗
硕士生导师
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所属院系： 化学化工学院
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学科：无机化学
其他联系方式
暂无内容
论文成果
One-step hydrothermal synthesis of high-performance visible-light-driven SnS2/SnO2 nanoheterojunction photocatalyst for the reduction of aqueous Cr(VI)
发布时间：2021-04-09 点击次数：
DOI码：10.1016/j.apcatb.2013.08.006
所属单位：化学化工学院
教研室：无机教研室
发表刊物：Applied Catalysis B: Environmental
关键字：SnS2/SnO2 nanoheterojunctions; One-step hydrothermal synthesis; Photocatalysis; Cr(VI) reduction
摘要：A simple and cost-effective one-step hydrothermal method, which was based on the reactions of tin(IV) chloride pentahydrate and different dosages of thioacetamide in water at 190 °C for 6 h, was employed for the synthesis of composition-tunable SnS2/SnO2 nanoheterojunctions (e.g., SnS2/SnO2-A, SnS2/SnO2-B and SnS2/SnO2-C). The photocatalytic properties of the as-synthesized SnS2/SnO2 nanoheterojunctions were tested by the reduction of aqueous Cr(VI) under visible-light (λ > 420 nm) irradiation. Furthermore, the photocatalytic efficiency of SnS2/SnO2-B was compared with those of PM-SnS2/SnO2 (which denotes the physically mixed SnS2/SnO2 nanocomposite with the same composition as SnS2/SnO2-B) and SnS2 nanoflakes at different dosages of photocatalysts. It was observed that (i) the photocatalytic activities of the as-synthesized SnS2/SnO2 nanoheterojunctions depended on their compositions, and SnS2/SnO2-B with 70 mol% SnS2 displayed the highest photocatalytic activity; (ii) SnS2/SnO2-B invariably exhibited higher photocatalytic efficiencies than PM-SnS2/SnO2 and SnS2 nanoflakes at different dosages of photocatalysts; (iii) the washing with 1 mol/L HNO3 can effectively regenerate the used photocatalyst; (iv) SnS2/SnO2-B exhibited good photocatalytic stability in reuses, with regeneration by 1 mol/L HNO3-washing after each cycle of photocatalytic use; and (v) Cr(VI) was reduced to Cr(III). The possible formation mechanism of SnS2/SnO2 nanoheterojunctions and the reasons accounting for the photocatalytic results were also discussed.
合写作者：姚龙,张歌珊,Dionysiou,李靖,堵锡华
第一作者：张永才
论文类型：Research Atricle
论文编号：https://doi.org/10.1016/j.apcatb.2013.08.006
学科门类：理学
一级学科：化学
文献类型：Research Atricle
卷号：144
页面范围：730-738
ISSN号：0926-3373
是否译文：否
发表时间：2014-01-01
收录刊物：SCI
