IIT Bombay’s 4T Silicon-Perovskite Tandem Solar Cell Hits 26% Efficiency Updated On Wed, Mar 19th, 2025 by Saurenergy The Indian Institute of Technology, Bombay (IIT-B) has conducted one of the first experimental demonstrations of a 4T silicon-perovskite tandem solar cell, achieving over 26% efficiency. A team at the National Centre for Photovoltaic Research and Education (NCPRE) at IIT Bombay fabricated a semi-transparent perovskite solar cell (PSC), which, when combined with a silicon-based solar […] Read more