9.7%-efficient Sb2(S,Se)3 solar cells with a dithieno[3,2-b: 2′,3′-d]pyrrole-cored hole transporting material

An efficient device based on the Sb₂(S,Se)₃/DTPTHMe-ThTPA heterojunction offers an effective approach to engineer the interfacial carrier transport path for high power conversion efficiency.