A two-dimensional lead-free hybrid perovskite semiconductor with reduced melting temperature,Chemical Communications

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A two-dimensional lead-free hybrid perovskite semiconductor with reduced melting temperature
Chemical Communications ( IF 4.3 ) Pub Date : 2023-06-09 , DOI: 10.1039/d3cc01788e
Akash Singh _{1,

2} , Ethan Crace ₁ , Yi Xie _{1,

2} , David B Mitzi _{1,

3}

Affiliation

1-Methylhexylammonium tin iodide yields the lowest reported melting temperature (T_m = 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 T_m and facilitates effective melt-based deposition of films with 568 nm absorption onset.

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