期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 20, 期 35, 页码 10894-10899出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201403807
关键词
hole transporting material; perovskites; solar cells
资金
- International Science and Business Belt Program through the Ministry of Science, ICT and Future Planning [2012K001573]
- ERC (the Korean government (MEST)) [20120000591]
- Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Education [2013R1A1A4A01005961]
- National Research Foundation of Korea [2013R1A1A4A01005961, 2008-0061903, 10Z20130012349] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
A new type of hole transporting material (HTMs) with an incorporated planar amine or triphenylamine as a core unit have been prepared. The two amine derivatives were demonstrated to be efficient hole transporting materials in fabricating solid-state organic-inorganic hybrid solar cells. Perovskite-based solar cells with a planar amine derivative gave a short circuit photocurrent density (J(sc)) of 20.98 mAcm(-2), an open circuit voltage (V-oc) of 0.972 V, and a fill factor of 0.67, corresponding to an overall conversion efficiency of 13.63 %. The photovoltaic performance is comparable to that of the standard spiro-OMeTAD. Moreover, the device showed good stability under light soaking for 500 h. These HTMs hold promise to replace the expensive spiro-OMeTAD because of their high efficiency, excellent stability, synthesis from simple and inexpensive materials.
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