Synthesis of CuInSe2 Nanocrystals with Tunable Size by Reverse Microemulsion Method

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Abstract:

Copper Indium diselenide (CIS) nanocrystals were synthesized by a new room-temperature reverse microemuslion route. By changing the water to surfactant ratio, the size of the particles can be readily adjusted while the composition of the particles can be tuned by changing the precursor ratio. The UV-visible absorption and photoluminescence spectra show blue shift for CIS particles with smaller size. The corresponding band gaps of the as-prepared CIS particles are ∼2 eV, which is larger than that of bulk CIS.

Keywords: CUINSE2; MICROEMULSION; NANOCRYSTALS

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2010.2764

Publication date: November 1, 2010

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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