A Fluorene-Carbazole Conjugated Polymer Hole Conductor for Efficient and Stable Perovskite Solar Cells

Semiconducting lead halide perovskites are currently attracting increasing attention, showing great potential for next-generation photovoltaic devices. To date, the molecular hole conductor 2,2',7,7'-tetrakis[N,N-di(4-methoxyphenyl)amino]-9,9'-spirobifluorene (Spiro-OMeTAD) has been dominantly used as the...