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Highly efficient colloidal MnxCd1−xS nanorod solid solution for photocatalytic hydrogen generation

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Abstract

In this study, a series of MnxCd1−xS nanorods solid solutions featuring precisely controlled band gap and suitable conduction band position were fabricated for the first time with a hot-injection synthesis under N2 atmosphere. Correspondingly, the colloidal Mn0.5Cd0.5S solid solution exhibited the highest photocatalytic H2 generation rate of 26 000 μmol g−1 h−1 and the apparent quantum efficiency of 30.3% at 400 nm, which is approximately 216 times higher than that of pristine h-CdS and 565 times higher than that of γ-MnS alone. Moreover, the MnxCd1−xS solid solution showed good photocatalytic stability because of a proper conduction band position and high crystallinity. This work demonstrates that this hot-injection strategy for developing highly efficient MnxCd1−xS solid solution is promising for preparing other binary or multicomponent solid solutions for a variety of photocatalytic applications.

Graphical abstract: Highly efficient colloidal MnxCd1−xS nanorod solid solution for photocatalytic hydrogen generation

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Publication details

The article was received on 31 Aug 2018, accepted on 30 Oct 2018 and first published on 01 Nov 2018


Article type: Paper
DOI: 10.1039/C8TA08458K
Citation: J. Mater. Chem. A, 2018, Advance Article
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    Highly efficient colloidal MnxCd1−xS nanorod solid solution for photocatalytic hydrogen generation

    L. Li, G. Liu, S. Qi, X. Liu, L. Gu, Y. Lou, J. Chen and Y. Zhao, J. Mater. Chem. A, 2018, Advance Article , DOI: 10.1039/C8TA08458K

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