期刊
NANOSCALE
卷 8, 期 11, 页码 5847-5851出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5nr09045h
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资金
- National Basic Research Program of China [2011CB933300]
- National Natural Science Foundation of China [51132001, 61474084, 51272184, 81272443, 91433203]
- Fundamental Research Funds for the Central Universities [2014202020202, 2042014kf0235]
- Ph.D. Programs Foundation of Ministry of Education of China [20130141110059]
- National Science Fund for Talent Training in Basic Science [J1210061]
A novel composite nanostructured titanium dioxide (TiO2) based electron-transport layer (ETL) is designed by combining size blended nanoparticles (SBNP) and nanoarrays (NA) for efficient perovskite solar cell (PSC) applications. The composite nanostructured (SBNP + NA) ETL is successfully employed in hole-conductor free PSCs, there by achieving a stable device with a maximum efficiency of 13.5%. The improvement in the performance is attributed to the better charge transport and lower recombination in the SBNP + NA ETL. Despite the stable high efficiency, SBNP + NA ETL based PSCs are advantageous owing to their low cost, ease of all-solution fabrication process in an open environment and good reproducibility.
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