Journal
APPLIED PHYSICS LETTERS
Volume 104, Issue 4, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4863951
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Funding
- Australian Government through the Australian Renewable Energy Agency (ARENA)
- Australian Research Council (ARC)
- Guodian New Energy Technology Research Institute, China Guodian Corporation
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In this work, 20 nm Ag is deposited on Mo coated soda lime glass prior to Cu2ZnSnS4 absorber deposition to improve the back contact and therefore enhance solar cell efficiency. This thin coating is found to inhibit the formation of SnS2, MoS2, and other defects especially voids at the back contact; therefore, reduces the series resistance and recombination leading to substantially higher short circuit current density (J(SC)), fill factor, open circuit voltage (V-OC), and efficiency in comparison to the controlled non-coating Mo, though the former results in lower material crystallinity. (C) 2014 AIP Publishing LLC.
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