Preparation of CdIn2S4 microspheres and application for photocatalytic reduction of carbon dioxide

A series of novel microspheres of CdIn2S4 were prepared by hydrothermal process, among them the CdIn2S4 synthesized from l-cysteine exhibited higher photocatalytic activity for CO2 reduction and has potential application for using visible light. Characterization of X-ray diffractometer (XRD), UV-vis...

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Bibliographic Details
Published in:Applied surface science 2014, Vol.288, p.138-142
Main Authors: Jiang, Wanlin, Yin, Xiaohong, Xin, Feng, Bi, Yadong, Liu, Yong, Li, Xia
Format: Article
Language:English
Subjects:
Carbon dioxide
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Condensed matter: structure, mechanical and thermal properties
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Field emission
Methyl alcohol
Microspheres
Photocatalysis
Physics
Reduction
Scanning electron microscopy
Sorption
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Summary:A series of novel microspheres of CdIn2S4 were prepared by hydrothermal process, among them the CdIn2S4 synthesized from l-cysteine exhibited higher photocatalytic activity for CO2 reduction and has potential application for using visible light. Characterization of X-ray diffractometer (XRD), UV-vis absorption spectrometry (UV-vis), field emission scanning electron microscopy (FE-SEM), transmission electron microscope (TEM) and N2 sorption analysis resulted in the crystal morphology, light absorption band and porous geometry. The mechanism of photocatalytic reduction of CO2 in methanol over CdIn2S4 was also proposed. The narrow band gap of the as prepared catalyst promoted reducing CO2 to dimethoxymethane and methyl formate in methanol.
ISSN:0169-4332
1873-5584
DOI:10.1016/j.apsusc.2013.09.165