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)
2016
Source PublicationAPPLIED CATALYSIS B-ENVIRONMENTAL
ISSN0926-3373
Volume181Issue:2Pages:436-444
Abstract

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.

KeywordBorate-based Photocatalyst Dechlorination Polarization Surface Potential
DOI10.1016/j.apcatb.2015.07.033
Indexed BySCI
WOS IDWOS:000364256000041
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Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.xjipc.cas.cn/handle/365002/4686
Collection中国科学院特殊环境功能材料与器件重点试验室
Affiliation1.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
Recommended Citation
GB/T 7714
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 .,...&Wang, CY .(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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