Journal
RSC ADVANCES
Volume 5, Issue 15, Pages 11175-11179Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ra16385k
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Funding
- National Natural Science Foundation of China [61177020, 11121091, 61107050]
- National Basic Research Program of China [2013CB328704, 2013CBA01704]
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This article demonstrates a significant broadband enhancement of light absorption and improvement of photon-generated-charge transfer in CH3NH3PbI3 perovskite solar cells by incorporating plasmonic Au-Ag alloy popcorn-shaped nanoparticles (NPs). Compared to conventional nanoparticles and nanorods, these popcorn-shaped NPs have many fine structures. The device's maximum power conversion efficiency (PCE) increases from 8.9% to 10.3%, namely 15.7% enhancement, with the aid of plasmonic popcorn-shaped NPs.
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