Oxygen vacancy induced selective silver deposition on the {001} facets of BiOCl single-crystalline nanosheets for enhanced Cr(VI) and sodium pentachlorophenate removal under visible light

被引:175
作者
Li, Hao [1 ]
Zhang, Lizhi [1 ]
机构
[1] Cent China Normal Univ, Inst Environm Chem, Coll Chem, Key Lab Pesticide & Chem Biol,Minist Educ, Wuhan 430079, Peoples R China
基金
美国国家科学基金会;
关键词
PHOTOCATALYTIC REMOVAL; GOLD NANOPARTICLES; CATALYTIC-ACTIVITY; TIO2; MICROSPHERES; FABRICATION; STABILITY; DESIGN; FILMS; WATER;
D O I
10.1039/c4nr01315h
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
We demonstrate that the high oxygen density characteristic of BiOCl {001} facets ensures the fast generation of oxygen vacancies in ethylene glycol under microwave irradiation, resulting in in situ nucleation and growth of Ag on the {001} facets of BiOCl single-crystalline nanosheets. The resulting Ag selectively deposited BiOCl single-crystalline nanosheets exhibit much higher reactivity and stability on both Cr(VI) reduction and sodium pentachlorophenate oxidation than the randomly deposited counterparts under visible light because of the tight contact between Ag and the {001} facets of BiOCl arisen from oxygen vacancy induced selective silver deposition.
引用
收藏
页码:7805 / 7810
页数:6
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