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AbstractTriangular Ag nanoprisms are a type of most-studied noble-metal nanostructures over the past decade owing to their special structural architecture and outstanding optical and catalytic properties for a wide range of applications. Nevertheless, in contrast to active research for the synthesis of phase-pure Ag nanoprisms, no asymmetric heterodimers containing Ag prisms have been developed so far, probably due to lack of suitable synthetic methods. Herein, we devise a simple ion-exchange method to synthesize Ag2S/Ag heterodimers at room temperature, through which Ag nanoprisms with controllable size and thickness can be fabricated. Formation chemistry and optical properties of the heterodimers have been investigated. These semiconductor/metal heterodimers have exhibited remarkable bactericidal activity to E. coli cells under visible light illumination.
CitationXiong S, Xi B, Zhang K, Chen Y, Jiang J, et al. (2013) Ag nanoprisms with Ag2S attachment. Scientific Reports 3. Available: http://dx.doi.org/10.1038/srep02177.
SponsorsThe authors gratefully acknowledge the financial supports provided by National University of Singapore, Singapore, GSK, Singapore, and King Abdullah University of Science and Technology, Saudi Arabia.
PubMed Central IDPMC4070619
CollectionsPublications Acknowledging KAUST Support
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