Journal
ENERGY & ENVIRONMENTAL SCIENCE
Volume 7, Issue 8, Pages 2642-2646Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ee01216j
Keywords
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Funding
- Global Research Laboratory (GRL) Program
- Global Frontier R&D Program of the Center for Multiscale Energy System - National Research Foundation in Korea
- Korea Research Institute of Chemical Technology (KRICT), Republic of Korea
- National Research Council of Science & Technology (NST), Republic of Korea [KK-1402-B0] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- National Research Foundation of Korea [2011-0031565, 2007-00091] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Highly efficient p-i-n perovskite solar cells employing a flat and thick CH(3)NH(3)Pbl(3) film and a thin PCBM film are fabricated by the solution-process at low temperature. Through attainment of optimized PCBM thickness and insertion of the LW interlayer, the unit cell shows 14.1% of overall power conversion efficiency (PCE) with a J(sc) of 20.7 mA cm(-2), a V-oc of 0.866 V, and a FF of 78.3% under AM 1.5G 100 mW cm(-2) conditions, while a larger area 10 cell serially connected module (10 x 10 cm(2)) shows an 8.7% PCE. These PCE values are the highest reported to date for the planar perovskite-PCBM solar cells.
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