Issue 1, 2016

Molecular-ink route to 13.0% efficient low-bandgap CuIn(S,Se)2 and 14.7% efficient Cu(In,Ga)(S,Se)2 solar cells

Abstract

A stable dimethyl sulfoxide (DMSO)-based ink containing a copper–thiourea–chloride complex and an indium–DMSO–chloride complex leads to 13.0% efficient CuIn(S,Se)2 (CIS) solar cells, which is a record for solution processed CIS. The formation of these complexes was found critical to control oxidation states and loss of metals during processing and to tailor the final composition of the absorber.

Graphical abstract: Molecular-ink route to 13.0% efficient low-bandgap CuIn(S,Se)2 and 14.7% efficient Cu(In,Ga)(S,Se)2 solar cells

Supplementary files

Article information

Article type
Communication
Submitted
17 Sep 2015
Accepted
04 Dec 2015
First published
07 Dec 2015

Energy Environ. Sci., 2016,9, 130-134

Author version available

Molecular-ink route to 13.0% efficient low-bandgap CuIn(S,Se)2 and 14.7% efficient Cu(In,Ga)(S,Se)2 solar cells

A. R. Uhl, J. K. Katahara and H. W. Hillhouse, Energy Environ. Sci., 2016, 9, 130 DOI: 10.1039/C5EE02870A

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