Journal
JOURNAL OF POWER SOURCES
Volume 251, Issue -, Pages 152-156Publisher
ELSEVIER
DOI: 10.1016/j.jpowsour.2013.11.053
Keywords
Perovskite solar cell; Doped P3HT; Thin film photovoltaics; Organometal Halide Perovskite
Funding
- Polo Solare Organico Regione Lazio
- DSSCX MIUR-PRIN
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We fabricate perovskite based solar cells using CH3NH3PbI3-xClx with different hole-transporting materials. The most used 2,2',7,7'-tetrakis-(N,N-di-p-methoxyphenylamine)9,9'-spirobifluorene (Spiro-OMeTAD) has been compared to the poly(3-hexylthiophene-2,5-diyl) (P3HT). By tuning the energy level of P3HT and optimizing the device's fabrication, we reached 9.3% of power conversion efficiency, which is the highest reported efficiency for a solar cell using P3HT. This result shows that P3HT can be a suitable low cost hole transport material for efficient perovskite based solar cells. (C) 2013 Elsevier B.V. All rights reserved.
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