Ashish Kulkarni, Ajay K. Jena, Masashi Ikegami and Tsutomu Miyasaka
Chem. Commun., 2019,55, 4031-4034
DOI:
10.1039/C9CC00733D,
Communication
We modulated a solvent-mediated adduct for one-step crystallization of lead-free AgBi2I7 at a lower temperature (90 °C) and to obtain remnant BiI3 by controlling the nature of the substrate and precursor concentration. This eventually resulted in remarkable enhancement in the power conversion efficiency, reaching 2.12%, and the long-term stability of AgBi2I7 solar cells towards light, heat and humidity.