Efficient photodechlorination of chlorophenols on polarized MZnB5O10 (M = Na and K) nonlinear optical materials
Liu, J (Liu, Jing); Fan, XY (Fan, Xiaoyun); Zhu, YQ (Zhu, Yunqing); Zhao, J (Zhao, Jie); Jiang, FX (Jiang, Fengxing); Chen, S (Chen, Shuai); Sun, H (Sun, Hui); Xu, JK (Xu, Jingkun); Deng, WY (Deng, Wenye); Wang, CY (Wang, Chuanyi); Fan, XY
2016
发表期刊APPLIED CATALYSIS B-ENVIRONMENTAL
卷号181期号:2页码:436-444
摘要Charge separation is crucial for increasing the activity of semiconductor-based photocatalysts. In this work, a series of non-centric structure materials: K3ZnB5O10 (KZBO), K2NaZnB5O10 (KNZBO) and Na3ZnB5O10 (NZBO), called nonlinear optical materials, show high activity in the chlorophenols dechlorination under UV-vis light irradiation (lambda >254 nm). The obtained dechlorination efficiency is one order of magnitude higher than that of commercial P25 TiO2 catalyst under same reaction conditions. Such materials possess a spontaneous polarization arising from the displacement of the center of the positive and negative charges, providing a driving force for the separation of photogenerated electrons and holes and thereby mitigating the effect of charge recombination as confirmed by Kelvin probe force microscopy. The present work implies that the nonlinear optical materials hold promise in degradation of organic chlorinated pollutants.
关键词Borate-based Photocatalyst Dechlorination Polarization Surface Potential
DOI10.1016/j.apcatb.2015.07.033
收录类别SCI
WOS记录号WOS:000364256000041
引用统计
被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.xjipc.cas.cn/handle/365002/4686
专题中国科学院特殊环境功能材料与器件重点试验室
通讯作者Fan, XY
作者单位1.Jiangxi Sci & Technol Normal Univ, Dept Phys, Nanchang 330013, Peoples R China
2.Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Lab Environm Sci & Technol, Urumqi 830011, Peoples R China
3.Chinese Acad Sci, Key Lab Funct Mat & Devices Special Environm, Urumqi 830011, Peoples R China
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Liu, J ,Fan, XY ,Zhu, YQ ,et al. Efficient photodechlorination of chlorophenols on polarized MZnB5O10 (M = Na and K) nonlinear optical materials[J]. APPLIED CATALYSIS B-ENVIRONMENTAL,2016,181(2):436-444.
APA Liu, J .,Fan, XY .,Zhu, YQ .,Zhao, J .,Jiang, FX .,...&Fan, XY.(2016).Efficient photodechlorination of chlorophenols on polarized MZnB5O10 (M = Na and K) nonlinear optical materials.APPLIED CATALYSIS B-ENVIRONMENTAL,181(2),436-444.
MLA Liu, J ,et al."Efficient photodechlorination of chlorophenols on polarized MZnB5O10 (M = Na and K) nonlinear optical materials".APPLIED CATALYSIS B-ENVIRONMENTAL 181.2(2016):436-444.
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