4.8 Article

A Facile One-step Method to Produce Graphene-CdS Quantum Dot Nanocomposites as Promising Optoelectronic Materials

Journal

ADVANCED MATERIALS
Volume 22, Issue 1, Pages 103-+

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.200901920

Keywords

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Funding

  1. China Natural Science Foundation [20673003, 10821062, 60878019]
  2. China Ministry of Science and Technology [2009CB930200, 2006CB705604]
  3. Shanghai Municipal Education Committee [09YZ16]
  4. Shanghai Leading Academic Disciplines [S30109]

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A single-layer graphene-CdS quantum dot nanocomposite is synthesized by a one-step reaction from graphene oxide, and thus avoids the low-yield production and the aggregation of single-layer graphene sheets. This new graphene-based material shows promising optoelectronic properties. Picosecond ultrafast electron transfer from the US quantum dots to the graphene sheets has been observed by time-resolved fluorescence spectroscopy.

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