화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.58, 64-73, February, 2018
DOI10.1016/j.jiec.2017.09.008  Export Citation
Facile synthesis of novel ZnFe2O4/CdS nanorods composites and its efficient photocatalytic reduction of Cr(VI) under visible-light irradiation
Shanshan Fang1, Yawen Zhou1, Man Zhou1, Zhongyu Li1, 2, †, Song Xu1, and Chao Yao1, †
  • 1Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou 213164, PR China
  • 2Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou 213164, PR China
E-mail:,
ZnFe2O4/CdS composites were successfully prepared by a facile process. The obtained samples have been characterized by X-ray diffraction (XRD), scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM), diffuse reflection spectroscopy (DRS), Raman spectroscopy and photoluminescence (PL). Under visible light irradiation, ZnFe2O4/CdS composite shows higher photocatalytic activity in the Cr(VI) reduction, relative to the pure CdS and ZnFe2O4. The enhanced photocatalytic performance was ascribed to the intimate contact interfaces and matching band potentials between CdS and ZnFe2O4, and can be related to the efficient transfer and separation of the electron-hole pairs. It was found that the modification of ZnFe2O4 did not affect the morphology of CdS. The result of PL test indicated a lower intensity, and effective separation of photogenerated electron-hole pairs. In addition, the ZnFe2O4/CdS composites showed more intense optical absorption than that of pure CdS and ZnFe2O4. Through the analysis of experiment results, a reasonable photocatalytic mechanism over ZnFe2O4/CdS photocatalysts was also proposed.
Keywords:CdS nanorods;ZnFe2O4/CdS composites;Photocatalytic reduction;Cr(VI);Visible-light irradiation
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