One‐Pot Preparation of a TiO2/Cu 2 ZnSnS 4  Heterojunction and its Photocatalytic Activity | Zendy

Kim SungDuk | Zendy; Park YongKwang | Zendy; Bu ChungHeon | Zendy; Jung Dongwoon | Zendy

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One‐Pot Preparation of a TiO2/Cu 2 ZnSnS 4 Heterojunction and its Photocatalytic Activity

Author(s) -

Kim SungDuk,

Park YongKwang,

Bu ChungHeon,

Jung Dongwoon

Publication year - 2016

Publication title -

bulletin of the korean chemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.237

H-Index - 59

ISSN - 1229-5949

DOI - 10.1002/bkcs.10826

Subject(s) - czts , heterojunction , photocatalysis , materials science , thioglycolic acid , anatase , chemical engineering , chemistry , nanotechnology , optoelectronics , thin film , organic chemistry , catalysis , engineering

The semiconductor Cu 2 ZnSnS 4 (CZTS), was synthesized by reacting CuO, ZnO, and SnO with ethanolamine, 2‐methoxyethanol, and thioglycolic acid. Anatase TiO 2 particle was dispersed into the CZTS precursor solution, so that TiO 2 /CZTS heterojunction was created through the nucleation of CZTS onto the TiO 2 surface. The photocatalytic efficiencies of TiO 2 /CZTS heterojunction samples with different TiO 2 :CZTS ratios were then investigated. The photocatalytic efficiency of TiO 2 /CZTS heterojunction sample was found to be superior to those of CZTS and the efficiency decreased with an increase in the TiO 2 :CZTS ratio. The highest efficiency, obtained from the 1:1 sample, was about 1.7 times that of P‐25.

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