S-defected In2S3/ZnS nanospheres for enhancing solar-light photocatalytic capacity

被引：17
作者：
Zheng, Xiaogang [1 ]
Fan, Yingjun [1 ]
Peng, Hao [2 ]
Wen, Jing [3 ]
机构：
[1] Neijiang Normal Univ, Coll Chem & Chem Engn, Neijiang 641100, Sichuan, Peoples R China
[2] Yangtze Normal Univ, Coll Chem & Chem Engn, Chongqing 408100, Peoples R China
[3] Chinese Acad Sci, Key Lab Comprehens & Highly Efficient Utilizat Sa, Qinghai Prov Key Lab Resources & Chem Salt Lakes, Qinghai Inst Salt Lakes, Xining 810008, Qinghai, Peoples R China
来源：
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS | 2021年 / 627卷
关键词：
In2S3/ZnS; Microwave-assisted hydrothermal; Solar-light photocatalysis; Junction interface; VISIBLE-LIGHT; HYDROGEN-PRODUCTION; CHARGE-TRANSFER; METHYL-ORANGE; DOPED ZNS; TETRACYCLINE; DEGRADATION; ADSORPTION; PHOTODEGRADATION; HETEROJUNCTION;
D O I：
10.1016/j.colsurfa.2021.127126
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
S-defected In2S3/ZnS nanospheres were synthesized via a microwave-assisted hydrothermal mute for facilitating the solar-light induced photodegradation of tetracycline hydrochloride (TCH). The removal efficiency of TCH over In2S3/ZnS was higher in comparison to pure ZnS and In2S3. The adsorption-photocatalytic capacity of S-defected In2S3/ZnS was affected by In2S3 content, TCH concentration, inorganic salts, pH, and quenchers. The removal efficiency of optimal 3-In2S3/ZnS for TCH solution of 50 mg L-1 was 100% within 90 min, and decreased to 93.26% after five cycle times. The main active species were center dot O-2(-) and h(+) in solar-light driven photocatalytic system. The enhanced photocatalytic performance of S-defected In2S3/ZnS was due to the tight interface between In2S3 and ZnS for the efficient transfer and utilization of photo-induced carriers.
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页数：9
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