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Issue 32, 2014
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Continuous synthesis of colloidal chalcopyrite copper indium diselenide nanocrystal inks

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Abstract

A continuous synthetic method in a micro-tubular reactor is introduced for synthesizing mono-disperse and solution-stable chalcopyrite colloidal copper indium diselenide nanocrystal (CuInSe2 NC) inks with potential scalability. It was found that the morphologies of the CuInSe2 NCs were dependent on the Cu/In/Se composition. The NC morphology changed from spherical to hexagonal to trigonal with increasing In or Se content, whereas trigonal morphologies synthesized at high temperature yielded chalcopyrite CuInSe2 NCs. A laboratory-scale photovoltaic device with 1.9% efficiency under AM1.5G illumination was also fabricated to verify the utility of these inks.

Graphical abstract: Continuous synthesis of colloidal chalcopyrite copper indium diselenide nanocrystal inks

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Publication details

The article was received on 23 Feb 2014, accepted on 21 Mar 2014 and first published on 25 Mar 2014


Article type: Communication
DOI: 10.1039/C4RA01582G
Citation: RSC Adv., 2014,4, 16418-16424
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    Continuous synthesis of colloidal chalcopyrite copper indium diselenide nanocrystal inks

    K. Kim, R. P. Oleksak, C. Pan, M. W. Knapp, P. B. Kreider, G. S. Herman and C. Chang, RSC Adv., 2014, 4, 16418
    DOI: 10.1039/C4RA01582G

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