Molecularly engineered thienyl-triphenylamine substituted zinc phthalocyanine as dopant free hole transporting materials in perovskite solar cells

The synthesis and semiconducting properties of thienyl-triphenylamine tetrasubstituted zinc(ii) phthalocyanine and its integration as a dopant-free hole transporting material in perovskite solar cells. Competitive performance and excellent chemical stability were obtained.