Nishimura, N.; Tachibana H.; Katoh, R.; Kanda, H.; Murakami, T. N., Archetype-Cation-Based Room-Temperature Ionic Liquid: Aliphatic Primary Ammonium Bis(trifluoromethylsulfonyl)imide as a Highly Functional Additive for a Hole Transport Material in Perovskite Solar Cells, ACS Appl. Mater. Interfaces 2023, 15, 44859–44866