Surface-anchored CdS@Ag3PO4 nanocomposite with efficient visible light photocatalytic activity
Date
2014
Authors
Jo, Y.K.
Kim, I.Y.
Lee, J.M.
Nahm, S.
Choi, J.W.
Hwang, S.J.
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Journal article
Citation
Materials Letters, 2014; 114:152-155
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Abstract
The surface anchoring of CdS on the surface of Ag3PO4 nanoparticle is achieved by an electrostatically-derived assembly between negatively-charged Ag3PO4 nanoparticles and positively-charged CdS quantum dots (QDs). The composite formation between Ag3PO4 and CdS nanoparticles gives rise not only to an enhancement of visible light absorption but also to a notable depression of photoluminescence signal, confirming the strong electronic coupling between the two components. The present CdS@Ag3PO4 nanocomposite displays higher visible light photocatalytic activity than do the precursors Ag3PO4 and CdS, demonstrating the usefulness of electrostatically-derived assembly in exploring highly efficient photocatalyst material.
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Data source: Supporting information, http://www.sciencedirect.com/science/article/pii/S0167577X13013359#s0025
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Copyright 2013 Elsevier B.V.