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Surface-anchored CdS@Ag3PO4 nanocomposite with efficient visible light photocatalytic activity
- Issue Date
- 1-1월-2014
- Publisher
- ELSEVIER SCIENCE BV
- Keywords
- Nanoparticles; Nanocomposites; Particles; Nanosize; Colloidal processing
- Citation
- MATERIALS LETTERS, v.114, pp.152 - 155
- Indexed
- SCIE
SCOPUS
- Journal Title
- MATERIALS LETTERS
- Volume
- 114
- Start Page
- 152
- End Page
- 155
- ISSN
- 0167-577X
- 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. (C) 2013 Elsevier B.V. All rights reserved.
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