Burschka, JulianKessler, FlorianBaranoff, EtienneNazeeruddin, MohammadGraetzel, Michael2015-09-222015-09-222015-09-222012https://infoscience.epfl.ch/handle/20.500.14299/118539The invention relates to electrochemical devices comprising complexes of cobalt comprising at least one ligand with a 5- or six membered, N-containing heteroring. The complex are useful as p- and n- dopants, as over of electrochemical devices, in particular in organic semiconductors. The complexes are further useful as over-discharge prevention and overvoltage protection agents.patentJP6568142KR101957534EP2678346US10038150EP2678346US9779879JP2017168450CN103492402JP6092787CN103492401US9559321US2016233439JP2014517807JP2014513057US2014060641KR20140016298KR20140015398CN103492401EP2678346CN103492402EP2678345US2013330632EP2551949EP2511924WO2012114316WO2012114315EP249227744587695