Study of the preparation of Cu2O/CPAN/SiO2 composite material and its photocatalytic reduction performance

With porous SiO2 withhigh specific surface area as the carrier,Cu2O and CPAN with matching valence band as the catalysts,Cu2O/CPAN/SiO2 (cuprous oxide/cyclized polyacrylonitrile/silicon dioxide) composite photocatalyst was prepared by solution impregnation and in situ thermal decompositionin order t...

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Autores principales:	Peng WANG, Xuewang ZHU, Xuesong YAN, Desong WANG
Formato:	article
Lenguaje:	ZH
Publicado:	Hebei University of Science and Technology 2021
Materias:	catalytic chemistry; silica; cuprous oxide; polyacrylonitrile; p-nitrophenol; photocatalytic reduction Technology T
Acceso en línea:	https://doaj.org/article/ea793459c6e34b7cb304b4088856eef4
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spelling	oai:doaj.org-article:ea793459c6e34b7cb304b4088856eef42021-11-23T07:16:39ZStudy of the preparation of Cu2O/CPAN/SiO2 composite material and its photocatalytic reduction performance1008-154210.7535/hbkd.2021yx02008https://doaj.org/article/ea793459c6e34b7cb304b4088856eef42021-04-01T00:00:00Zhttp://xuebao.hebust.edu.cn/hbkjdx/ch/reader/create_pdf.aspx?file_no=b202102008&flag=1&journal_https://doaj.org/toc/1008-1542With porous SiO2 withhigh specific surface area as the carrier,Cu2O and CPAN with matching valence band as the catalysts,Cu2O/CPAN/SiO2 (cuprous oxide/cyclized polyacrylonitrile/silicon dioxide) composite photocatalyst was prepared by solution impregnation and in situ thermal decompositionin order to improve the specific surface area and electron-hole separation efficiency of the material.The morphology,composition and structure of the composite were characterized by TEM,SEM,XRD,FTIR,BET and EDS,and the photoelectric properties of the composite particles were analyzed by UV-VIS,DRS,PL,EIS and photocurrent methods.The visible light photocatalytic properties of Cu2O/CPAN/SiO2 composite particles were investigated in the model of the [WTBX]p[WTBZ]-nitrophenol reduction.The results show that porous SiO2 carrier greatly increased the specific surface area of Cu2O/CPAN.The Cu2O in octahedral crystal and the heterojunctions of CPAN are evenly distributed on the surface of SiO2 and significantly improve the absorption of visible light and the separation efficiency of photogenerated electron-hole pairs.When the content of Cu2O is 2%,the heat treatment temperature is 260 ℃,and the heat treatment time is 3 h,the prepared Cu2O/CPAN/SiO2composite particles exhibit the best photocatalytic activity.The results provide a method basis for preparing a high-efficiency composite catalyst.Peng WANGXuewang ZHUXuesong YANDesong WANGHebei University of Science and Technologyarticlecatalytic chemistry; silica; cuprous oxide; polyacrylonitrile; p-nitrophenol; photocatalytic reductionTechnologyTZHJournal of Hebei University of Science and Technology, Vol 42, Iss 2, Pp 152-161 (2021)
institution	DOAJ
collection	DOAJ
language	ZH
topic	catalytic chemistry; silica; cuprous oxide; polyacrylonitrile; p-nitrophenol; photocatalytic reduction Technology T
spellingShingle	catalytic chemistry; silica; cuprous oxide; polyacrylonitrile; p-nitrophenol; photocatalytic reduction Technology T Peng WANG Xuewang ZHU Xuesong YAN Desong WANG Study of the preparation of Cu2O/CPAN/SiO2 composite material and its photocatalytic reduction performance
description	With porous SiO2 withhigh specific surface area as the carrier,Cu2O and CPAN with matching valence band as the catalysts,Cu2O/CPAN/SiO2 (cuprous oxide/cyclized polyacrylonitrile/silicon dioxide) composite photocatalyst was prepared by solution impregnation and in situ thermal decompositionin order to improve the specific surface area and electron-hole separation efficiency of the material.The morphology,composition and structure of the composite were characterized by TEM,SEM,XRD,FTIR,BET and EDS,and the photoelectric properties of the composite particles were analyzed by UV-VIS,DRS,PL,EIS and photocurrent methods.The visible light photocatalytic properties of Cu2O/CPAN/SiO2 composite particles were investigated in the model of the [WTBX]p[WTBZ]-nitrophenol reduction.The results show that porous SiO2 carrier greatly increased the specific surface area of Cu2O/CPAN.The Cu2O in octahedral crystal and the heterojunctions of CPAN are evenly distributed on the surface of SiO2 and significantly improve the absorption of visible light and the separation efficiency of photogenerated electron-hole pairs.When the content of Cu2O is 2%,the heat treatment temperature is 260 ℃,and the heat treatment time is 3 h,the prepared Cu2O/CPAN/SiO2composite particles exhibit the best photocatalytic activity.The results provide a method basis for preparing a high-efficiency composite catalyst.
format	article
author	Peng WANG Xuewang ZHU Xuesong YAN Desong WANG
author_facet	Peng WANG Xuewang ZHU Xuesong YAN Desong WANG
author_sort	Peng WANG
title	Study of the preparation of Cu2O/CPAN/SiO2 composite material and its photocatalytic reduction performance
title_short	Study of the preparation of Cu2O/CPAN/SiO2 composite material and its photocatalytic reduction performance
title_full	Study of the preparation of Cu2O/CPAN/SiO2 composite material and its photocatalytic reduction performance
title_fullStr	Study of the preparation of Cu2O/CPAN/SiO2 composite material and its photocatalytic reduction performance
title_full_unstemmed	Study of the preparation of Cu2O/CPAN/SiO2 composite material and its photocatalytic reduction performance
title_sort	study of the preparation of cu2o/cpan/sio2 composite material and its photocatalytic reduction performance
publisher	Hebei University of Science and Technology
publishDate	2021
url	https://doaj.org/article/ea793459c6e34b7cb304b4088856eef4
work_keys_str_mv	AT pengwang studyofthepreparationofcu2ocpansio2compositematerialanditsphotocatalyticreductionperformance AT xuewangzhu studyofthepreparationofcu2ocpansio2compositematerialanditsphotocatalyticreductionperformance AT xuesongyan studyofthepreparationofcu2ocpansio2compositematerialanditsphotocatalyticreductionperformance AT desongwang studyofthepreparationofcu2ocpansio2compositematerialanditsphotocatalyticreductionperformance
_version_	1718416858212728832

Study of the preparation of Cu2O/CPAN/SiO2 composite material and its photocatalytic reduction performance

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