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High Piezo-photocatalytic Efficiency of CuS/ZnO Nanowires Using Both Solar and Mechanical Energy for Degrading Organic Dye
Hong, DY; Zang, WL; Guo, X; Fu, YM; He, HX; Sun, J; Xing, LL; Liu, BD; Xue, XY; Xue, XY (reprint author), Northeastern Univ, Coll Sci, Shenyang 110004, Peoples R China.; Liu, BD (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci SYNL, Shenyang 110016, Peoples R China.
2016-08-24
Source PublicationACS APPLIED MATERIALS & INTERFACES
ISSN1944-8244
Volume8Issue:33Pages:21302-21314
AbstractHigh piezo-photo catalytic efficiency of degrading organic pollutants has been realized from CuS/ZnO nanowires using both solar and mechanical energy. CuS/ZnO heterostructured nanowire arrays are compactly/vertically aligned on stainless steel mesh by a simple two-step wet-chemical method. The mesh supported nanocomposites can facilitate an efficient light harvesting due to the large surface area and can also be easily removed from the treated solution. Under both solar and ultrasonic irradiation, CuS/ZnO nanowires can rapidly degrade methylene blue (MB) in aqueous solution, and the recyclability is investigated. In this process, the ultrasonic assistance can greatly enhance the photocatalytic activity. Such a performance can be attributed to the coupling of the built-in electric field of heterostructures and the piezoelectric field of ZnO nanowires. The built-in electric field of the heterostructure can effectively separate the photogenerated electrons/holes and facilitate the carrier transportation. The CuS component can improve the visible light utilization. The piezoelectric field created by ZnO nanowires can further separate the photogenerated electrons/holes through driving them to migrate along opposite directions. The present results demonstrate a new water-pollution solution in green technologies for the environmental remediation at the industrial level.
description.department[hong, deyi ; zang, weili ; guo, xiao ; fu, yongming ; he, haoxuan ; sun, jing ; xing, lili ; xue, xinyu] northeastern univ, coll sci, shenyang 110004, peoples r china ; [liu, baodan] chinese acad sci, inst met res, shenyang natl lab mat sci synl, shenyang 110016, peoples r china
KeywordPhotocatalytic Activity Piezoelectric Effect Heterostructure Cus/zno Nanowire Piezo-photocatalytic Process
Subject AreaNanoscience & Nanotechnology ; Materials Science, Multidisciplinary
Funding OrganizationNational Natural Science Foundation of China [51102041, 11104025]; Fundamental Research Funds for the Central Universities [N150505001, N140505004]; Liaoning Natural Science Foundation [2015021009]; Program for New Century Excellent Talents in University [NCET-13-0112]
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/76301
Collection中国科学院金属研究所
Corresponding AuthorSun, J; Xue, XY (reprint author), Northeastern Univ, Coll Sci, Shenyang 110004, Peoples R China.; Liu, BD (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci SYNL, Shenyang 110016, Peoples R China.
Recommended Citation
GB/T 7714
Hong, DY,Zang, WL,Guo, X,et al. High Piezo-photocatalytic Efficiency of CuS/ZnO Nanowires Using Both Solar and Mechanical Energy for Degrading Organic Dye[J]. ACS APPLIED MATERIALS & INTERFACES,2016,8(33):21302-21314.
APA Hong, DY.,Zang, WL.,Guo, X.,Fu, YM.,He, HX.,...&Liu, BD .(2016).High Piezo-photocatalytic Efficiency of CuS/ZnO Nanowires Using Both Solar and Mechanical Energy for Degrading Organic Dye.ACS APPLIED MATERIALS & INTERFACES,8(33),21302-21314.
MLA Hong, DY,et al."High Piezo-photocatalytic Efficiency of CuS/ZnO Nanowires Using Both Solar and Mechanical Energy for Degrading Organic Dye".ACS APPLIED MATERIALS & INTERFACES 8.33(2016):21302-21314.
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