TiO2-bismuth screen printing ink for flexible low temperature dye sensitized solar cellsHazim Khir, A.K. Pandey, R. Saidur, Muhammad Shakeel Ahmad, Nasrudin Abd Rahim, Yasir Ali Bhutto, Md. Abu Zaed and Anas IslamE3S Web of Conf., 488 (2024) 02001DOI: https://doi.org/10.1051/e3sconf/202448802001