Surface-anchored CdS@Ag3PO4 nanocomposite with efficient visible light photocatalytic activity

Yun Kyung Jo; In Young Kim; Jang Mee Lee; Sahn Nahm; Ji Won Choi; Seong Ju Hwang

doi:10.1016/j.matlet.2013.09.091

Surface-anchored CdS@Ag₃PO₄ nanocomposite with efficient visible light photocatalytic activity

Yun Kyung Jo, In Young Kim, Jang Mee Lee, Sahn Nahm, Ji Won Choi, Seong Ju Hwang

Department of Materials Science and Engineering

Research output: Contribution to journal › Article

33 Citations (Scopus)

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.

Original language	English
Pages (from-to)	152-155
Number of pages	4
Journal	Materials Letters
Volume	114
DOIs	https://doi.org/10.1016/j.matlet.2013.09.091
Publication status	Published - 2014 Jan 1

All Science Journal Classification (ASJC) codes

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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Jo, Y. K., Kim, I. Y., Lee, J. M., Nahm, S., Choi, J. W., & Hwang, S. J. (2014). Surface-anchored CdS@Ag₃PO₄ nanocomposite with efficient visible light photocatalytic activity. Materials Letters, 114, 152-155. https://doi.org/10.1016/j.matlet.2013.09.091

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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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AU - Hwang, Seong Ju

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