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Photocatalytic degradation of methylene blue over CdZnS/ZnO under visible light irradiation
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가시광선하에서 CdZnS/ZnO 광촉매를 이용한 메틸렌블루 분해반응

논문 기본 정보

Type
Academic journal
Author
GUN DAE LEE (부경대학교)
Journal
Korean Society for Imaging Science and Technology 한국화상학회지 한국화상학회지 제27권 제3호 KCI Candidated Journals
Published
2021.9
Pages
81 - 89 (9page)

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Photocatalytic degradation of methylene blue over CdZnS/ZnO under visible light irradiation
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The photocatalytic degradation of methylene blue was carried out under visible light irradiation using the CdZnS/ZnO photocatalyst prepared by simple precipitation method. The prepared photocatalysts were characterized by XRD and UV-vis DRS. The photocatalytic activity of CdZnS/ZnO was evaluated and compared to those of CdS and TiO2. CdZnS/ZnO photocatalyst exhibits an excellent absorption in the visible light region of 400nm to 600nm as well as UV light. It was revealed that the CdZnS/ZnO, as compared with CdS and TiO2, has higher photocatalytic activity for the degradation of methyleme blue under visible light irradiation. It was also confirmed that, under visible light irradiation, both photocatalytic and photosensitized pathways are involved in the degradation of methylene blue over photocatalyst.
#CdZnS/ZnO #photocatalytic degradation #methylene blue #visible light

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References (31)

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G. M. Neelgund / 2020 / ZnO conjugated graphene : An efficient sunlight driven photocatalysts for degradation of organic dyes / Mat. Res. Bull 129:110911~110919 google schola K. He / 2018 / Three-dimensional graphene supported catalysts for organic dyes degradation / Appl. Catal. B : Environ 228:19~28 google schola S. H. S. Chan / 2011 / Recent developments of metal oxide semiconductors as photocatalysts in advanced oxidation processes(AOPs)for treatment of dye waste-water / J. Chem. Technol. Biotechnol 86:1130~1158 google schola X. Z. Li / 2001 / Photocatalytic Activity of WOx-TiO2under visible light irradiation / J. Photochem. Photobio. A 141:209~217 google schola Z. Lei / 2003 / Photocatalytic water reduction under visible light on a novel ZnIn2S4 catalyst synthesized by hydrothermal method / Chem. Commun :2142~2143 google schola

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