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대한화학회 제124회 학술발표회 및 총회 Novel ZnBi2O4-graphite Composites as Highly Active Visible-Light Photocatalyst for the Mineralization of Rhodamine B

등록일
2019년 8월 19일 18시 27분 41초
접수번호
3004
발표코드
ANAL1.O-18 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
목 09시 : 51분
발표형식
구두발표
발표분야
Analytical Chemistry - Oral Presentation of Young Analytical Chemists I
저자 및
공동저자
Truong Thi Thuy, Bui The Huy, Yong-Ill Lee*
Department of Chemistry, Changwon National University, Korea
Novel photocatalyst from composite of zinc bismuth oxide (ZnBi2O4) and graphite hybrid composites was prepared via a co-precipitation method. The photodegradation activity of prepared ZnBi2O4-graphite hybrid composites were tested on rhodamine B (RhB) solutions under visible-light irradiation. The prepared composite exhibited excellent photocatalytic activity, leading to more than 95% of RhB degradation at an initial concentration of 50 mg.L–1 with 1.0 g catalyst per liter in 150 min. The excellent visible-light photocatalytic mineralization of ZnBi2O4-1.0graphite in comparison with pristine ZnBi2O4 may be attributed to synergetic effects, charge transfer between ZnBi2O4 and graphite, and the separation efficiency of the photogenerated electrons and holes. The results demonstrate the feasibility of ZnBi2O4-1.0graphite as a potential heterogeneous photocatalyst for environmental remediation.
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