Isomeric imidazole functionalized bithiophene-based hole transporting materials for stable perovskite solar cells

Jianxing Xia, Vellaichamy Joseph, Albertus Adrian Sutanto, Rajendiran Balasaravanan, Yamuna Ezhumalai, Zhong Xiang Zhang, Jen Shyang Ni, S. Tingare Yogesh, Shueh Lin Yau, Guang Shao, Zeliang Qiu, Abdullah M. Asiri, Ming Chou Chen, Mohammad Khaja Nazeeruddin