Rapid synthesis and size control of CuInS2 semi-conductor nanoparticles using microwave irradiation

The properties of CuInS 2 semi-conductor nanoparticles make them attractive materials for use in next-generation photovoltaics. We have prepared CuInS 2 nanoparticles from single source precursors via microwave irradiation. Microwave irradiation methods have allowed us to increase the efficiency of...

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Bibliographic Details
Published in:Journal of nanoparticle research : an interdisciplinary forum for nanoscale science and technology 2008-04, Vol.10 (4), p.633-641
Main Authors: Gardner, Joseph S., Shurdha, Endrit, Wang, Chongmin, Lau, Lisa D., Rodriguez, René G., Pak, Joshua J.
Format: Article
Language:English
Subjects:
Characterization and Evaluation of Materials
Chemistry and Materials Science
Emission spectroscopy
Inorganic Chemistry
Irradiation
Lasers
Materials Science
Nanoparticles
Nanotechnology
Optical Devices
Optics
Photonics
Photovoltaics
Physical Chemistry
Research Paper
Studies
Synergistic effect
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Summary:The properties of CuInS 2 semi-conductor nanoparticles make them attractive materials for use in next-generation photovoltaics. We have prepared CuInS 2 nanoparticles from single source precursors via microwave irradiation. Microwave irradiation methods have allowed us to increase the efficiency of preparation of these materials by providing uniform heating and rapid reaction times. The synergistic effect of varying thiol capping ligand concentrations as well as reaction temperatures and times resulted in fine control of nanoparticle growth in the 3–5 nm size range. Investigation of the photophysical properties of the colloidal nanoparticles were performed using electronic absorption and luminescence emission spectroscopy. Qualitative nanoparticles sizes were determined from the photoluminescence (PLE) data and compared to HRTEM images.
ISSN:1388-0764
1572-896X
DOI:10.1007/s11051-007-9294-7