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Improved photocatalytic activity of surface charge functionalized ZnO nanoparticles using aniline

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Abstract
Functionalization of aniline molecules on zinc oxide (ZnO) nanoparticles is reported using a simple
impregnation technique. Functionalized ZnO samples were systematically characterized based on mor?phology, surface and optical properties, and photocatalytic performance towards methyl orange (MO).
Aniline functionalization increased the surface charge ofthe modified ZnO. Compared to pristine ZnO,the
aniline-functionalized ZnO yielded faster photodegradation of MO, degrading 98.29 % of MO in 60 min and
superoxide radicals were the major species during the MO photodegradation reaction. These results indi?cate that the improvement of photocatalytic degradation could be attributed to opposite charge-induced
surface adsorption. Hence, protonated amine as a positively charged molecule was expected to increase
the surface adsorption of MO (as an anionic dye) on ZnO nanoparticles surfaces, thereby increasing their
photocatalytic degradation performance.
Author(s)
로디오크 찻차이Korakot CharoensriDuangmanee Wongratanaphisan최원묵허승현박현진정진석
Issued Date
2021
Type
Article
Keyword
PhotocatalystsSurface chargeZnOAnilineMethyl orange
DOI
10.1016/j.jmst.2020.09.041
URI
https://oak.ulsan.ac.kr/handle/2021.oak/9221
https://ulsan-primo.hosted.exlibrisgroup.com/primo-explore/fulldisplay?docid=TN_cdi_gale_infotracacademiconefile_A659652989&context=PC&vid=ULSAN&lang=ko_KR&search_scope=default_scope&adaptor=primo_central_multiple_fe&tab=default_tab&query=any,contains,Improved%20photocatalytic%20activity%20of%20surface%20charge%20functionalized%20ZnO%20nanoparticles%20using%20aniline&offset=0&pcAvailability=true
Publisher
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
Location
중국
Language
한국어
ISSN
1005-0302
Citation Volume
76
Citation Number
1
Citation Start Page
1
Citation End Page
10
Appears in Collections:
Engineering > Chemical Engineering
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