Title: 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

Journal Article · · Energy & Environmental Science
DOI: https://doi.org/10.1039/c5ee02870a · OSTI ID:1343453
 [1];  [2];  [2]
  1. Univ. of Washington, Seattle, WA (United States); University of Washington
  2. Univ. of Washington, Seattle, WA (United States)
+ Show Author Affiliations

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.

Research Organization:
Univ. of Washington, Seattle, WA (United States)
Sponsoring Organization:
USDOE Advanced Research Projects Agency - Energy (ARPA-E)
Contributing Organization:
ARU acknowledges the Swiss National Science Foundation (SNSF) under project number P2EZP2_152168 for salary support. HWH and JKK acknowledge salary support from the DOE SunShot NextGen2 program (DE-EE0005321) and the UW Clean Energy Institute. HWH also acknowledges the University of Washington Rehnberg endowment for financial support for supplies and expenses and benefits for ARU. The NanoTech (NTUF) user facility is acknowledged for powder XRD and SEM measurements
Grant/Contract Number:
EE0006710
OSTI ID:
1343453
Report Number(s):
DOE-UW-Uhl - 1
Journal Information:
Energy & Environmental Science, Journal Name: Energy & Environmental Science Journal Issue: 1 Vol. 9; ISSN EESNBY; ISSN 1754-5692
Publisher:
Royal Society of ChemistryCopyright Statement
Country of Publication:
United States
Language:
English

References (30)

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  • McLeod, Steven M.; Hages, Charles J.; Carter, Nathaniel J.
  • Progress in Photovoltaics: Research and Applications, Vol. 23, Issue 11 https://doi.org/10.1002/pip.2588
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