Paek, SanghyunAbate, AntonioNazeeruddin, Mohammad KhajaGraetzel, Michael2016-09-102016-09-102016-09-102016https://infoscience.epfl.ch/handle/20.500.14299/129247The present invention concerns novel silolothiophene-bridged triphenylamines and related compds. and their use as hole transport materials (HTM), for example in optoelectronic and/or electrochem. devices. These materials are particularly useful in org.-inorg. perovskite-based solid state solar cells. Preferred compds. are:.patentEP306518952627071