Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 137, Issue 5, Pages 1790-1793Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja5125594
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Funding
- National Natural Science Foundation of China [91433203, 61474049]
- Ministry of Science and Technology of China (863) [SS2013AA50303]
- Science and Technology Department of Hubei Province [2013BAA090]
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By the introduction of an organic silane self-assembled monolayer, an interface-engineering approach is demonstrated for hole-conductor-free, fully printable mesoscopic perovskite solar cells based on a carbon counter electrode. The self-assembled silane monolayer is incorporated between the TiO2 and CH3NH3PbI3, resulting in optimized interface band alignments and enhanced charge lifetime. The average power conversion efficiency is improved from 9.6% to 11.7%, with a highest efficiency of 12.7%, for this low-cost perovskite solar cell.
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