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Nano Research 2015, 8(6): 1834-1846 https://doi.org/10.1007/s12274-014-0690-x
Research Article | Issue | Published: 17 February 2015

Facile fabrication of CdS-metal-organic framework nanocomposites with enhanced visible-light photocatalytic activity for organic transformation

Show Author's Information Fei Ke1,2,  Luhuan Wang1,  Junfa Zhu1( )
National Synchrotron Radiation Laboratory and Collaborative Innovation Center of Suzhou Nano Science and TechnologyUniversity of Science and Technology of ChinaHefei230029China
Department of Applied ChemistryAnhui Agricultural UniversityHefei230036China
Keywords:
metal-organic frameworks, nanocomposites, semiconductors, porous materials, photocatalysis
Cite this article:
Ke F, Wang L, Zhu J. Facile fabrication of CdS-metal-organic framework nanocomposites with enhanced visible-light photocatalytic activity for organic transformation. Nano Research, 2015, 8(6): 1834-1846. https://doi.org/10.1007/s12274-014-0690-x
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Abstract Full text Electronic supplementary material About this article

Visible-light-initiated organic transformations have received much attention because of low cost, relative safety, and environmental friendliness. In this work, we report on a novel type of visible-light-driven photocatalysts, namely, porous nanocomposites of CdS-nanoparticle-decorated metal-organic frameworks (MOF), prepared by a simple solvothermal method in which porous MIL-100(Fe) served as the support and cadmium acetate (Cd(Ac)2) as the CdS precursor. When the selective oxidation of benzyl alcohol to benzaldehyde is used as the probe reaction, the results show that the combination of MIL-100(Fe) and CdS semiconductor can remarkably enhance the photocatalytic efficiency at room temperature, as compared to that of pure CdS. The enhanced photocatalytic performance can be attributed to the combined effects of enhanced light absorption, more efficient separation of photogenerated electron-hole pairs, and increased surface area of CdS due to the presence of MIL-100(Fe). This work demonstrates that MOF-based composite materials hold great promise for applications in the field of solar-energy conversion into chemical energy.


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About this article

Facile fabrication of CdS-metal-organic framework nanocomposites with enhanced visible-light photocatalytic activity for organic transformation

Show Author's information Fei Ke1,2, Luhuan Wang1, Junfa Zhu1( )
National Synchrotron Radiation Laboratory and Collaborative Innovation Center of Suzhou Nano Science and TechnologyUniversity of Science and Technology of ChinaHefei230029China
Department of Applied ChemistryAnhui Agricultural UniversityHefei230036China

Abstract

Visible-light-initiated organic transformations have received much attention because of low cost, relative safety, and environmental friendliness. In this work, we report on a novel type of visible-light-driven photocatalysts, namely, porous nanocomposites of CdS-nanoparticle-decorated metal-organic frameworks (MOF), prepared by a simple solvothermal method in which porous MIL-100(Fe) served as the support and cadmium acetate (Cd(Ac)2) as the CdS precursor. When the selective oxidation of benzyl alcohol to benzaldehyde is used as the probe reaction, the results show that the combination of MIL-100(Fe) and CdS semiconductor can remarkably enhance the photocatalytic efficiency at room temperature, as compared to that of pure CdS. The enhanced photocatalytic performance can be attributed to the combined effects of enhanced light absorption, more efficient separation of photogenerated electron-hole pairs, and increased surface area of CdS due to the presence of MIL-100(Fe). This work demonstrates that MOF-based composite materials hold great promise for applications in the field of solar-energy conversion into chemical energy.

Keywords: metal-organic frameworks, nanocomposites, semiconductors, porous materials, photocatalysis

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Publication history
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Acknowledgements

Publication history

Received: 17 October 2014
Revised: 09 December 2014
Accepted: 10 December 2014
Published: 17 February 2015
Issue date: June 2015

Copyright

© Tsinghua University Press and Springer-Verlag Berlin Heidelberg 2014

Acknowledgements

Acknowledgements

This work is supported by the National Natural Science Foundation of China (Grant No. U1232102), National Basic Research Program of China (Nos. 2010CB923302 and 2013CB834605), and the Specialized Research Fund for the Doctoral Program of Higher Education (SRFDP) of Ministry of Education (Grant No. 20113402110029).

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