Construction of Ternary Heterostructured NaNbO3/Bi2S3/Ag 3 /Bi 2 S 3 /Ag Nanorods with Synergistic Pyroelectric and Photocatalytic Effects for Enhanced Catalytic Performance

被引：2
作者：
Cheng, Ze [1 ,2 ]
Zhu, Fuxiao [1 ,2 ]
Min, Jingkai [1 ,2 ]
Zhang, Gongliang [2 ]
Hou, Hongman [2 ]
Bi, Jingran [2 ]
Yan, Shuang [1 ]
Hao, Hongshun [1 ,2 ]
机构：
[1] Dalian Polytech Univ, Dept Inorgan Nonmet Mat Engn, Dalian 116034, Peoples R China
[2] Dalian Polytech Univ, Liaoning Key Lab Aquat Proc Qual & Safety, Dalian 116034, Peoples R China
来源：
JOURNAL OF NANO RESEARCH | 2024年 / 83卷
关键词：
Ternary heterostructures; Nanocomposites; Pyroelectricity; RhB solution degradation; Salmonella sterilization; HETEROJUNCTION; DEGRADATION; FABRICATION; NANOPARTICLES; COMPOSITE;
D O I：
10.4028/p-DDcW16
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The removal of dyes and pathogens from contaminated water remains a significant challenge. In the present study, NaNbO3 3 and NaNbO3/Bi2S3 3 /Bi 2 S 3 powders were prepared by a simple hydrothermal method, and then the noble metal Ag was successfully deposited on NaNbO3/Bi2S3 3 /Bi 2 S 3 by photoreduction to constitute the NaNbO3/Bi2S3/Ag 3 /Bi 2 S 3 /Ag ternary nanorods heterostructure. With continuous visible light irradiation and controlled temperature variation (25-55degree celsius), the monomeric NaNbO3 3 could degrade 73.3% of Rhodamine B (RhB) and inactivated 46% of Salmonella while the ternary complex NaNbO3/Bi2S3/Ag 3 /Bi 2 S 3 /Ag showed a higher RhB degradation efficiency of 94.9% as well as a higher sterilization efficiency of 82%. In addition, after four replicate experiments, NaNbO3/Bi2S3/Ag 3 /Bi 2 S 3 /Ag still had a high degradation efficiency. Compared with NaNbO3 3 monomer, NaNbO3/Bi2S3/Ag 3 /Bi 2 S 3 /Ag possessed stronger catalytic ability. The improvement of catalytic activity could be attributed to the efficient separation of pyroelectric and photocatalytic electrons and holes through the formation of NaNbO3/Bi2S3/Ag 3 /Bi 2 S 3 /Ag heterostructural nanorod.
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页码：1 / 16
页数：16
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