Akash Singh, Ethan Crace, Yi Xie and David B. Mitzi
Chem. Commun., 2023,59, 8302-8305
DOI:
10.1039/D3CC01788E,
Communication
1-Methylhexylammonium tin iodide yields the lowest reported melting temperature (Tm = 142 °C) to date among lead-free hybrid perovskite semiconductors. Molecular branching near the organic ammonium group coupled with tuning of metal/halogen character suppresses Tm and facilitates effective melt-based deposition of films with 568 nm absorption onset.