Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 54, Issue 39, Pages 11409-11413Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201504666
Keywords
carbyazoles; thin-layer conductivity; organic hole transporters; perovskite solar cells; power conversion efficiency
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Funding
- European Union Seventh Framework Programme [604032]
- NANOMATCELL [308997]
- European Union's Seventh Framework Programme [291771]
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The small-molecule-based hole-transporting material methoxydiphenylamine-substituted carbazole was synthesized and incorporated into a CH3NH3PbI3 perovskite solar cell, which displayed a power conversion efficiency of 16.91%, the second highest conversion efficiency after that of Spiro-OMeTAD. The investigated hole-transporting material was synthesized in two steps from commercially available and relatively inexpensive starting reagents. Various electro-optical measurements (UV/Vis, IV, thin-film conductivity, hole mobility, DSC, TGA, ionization potential) have been carried out to characterize the new hole-transporting material.
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