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Single precursor synthesis of copper sulfide nanocrystals using aerosol spray pyrolysis

Published online by Cambridge University Press:  19 March 2013

Patrick Davis  and
Lorenzo Mangolini
Patrick Davis
Affiliation:
Mechanical Engineering Department, Materials Science and Engineering Program, University of California, Riverside, California 92521
Lorenzo Mangolini*
Affiliation:
Mechanical Engineering Department, Materials Science and Engineering Program, University of California, Riverside, California 92521
*
*Address all correspondence to Lorenzo Mangolini at [email protected]
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Abstract

We have investigated the feasibility of aerosol spray pyrolysis for the synthesis of copper sulfide nanocrystals, which are promising candidates for the development of low-cost, printable photovoltaic devices. A solution of copper diethyldithiocarbamate in toluene is aerosolized and aerodynamically dragged through a tube furnace, where the droplets are dried and nanocrystals are formed. Particles smaller than 20 nm are produced. The particles are preferentially formed as digenite (Cu1.8S), although we show that with low furnace temperature it is possible to produce chalcocite (Cu2S) nanocrystals.

Type
Research Letters
Information
MRS Communications , Volume 3 , Issue 1 , March 2013 , pp. 57 - 60
Copyright
Copyright © Materials Research Society 2013

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