Journal
NANO RESEARCH
Volume 9, Issue 3, Pages 692-702Publisher
TSINGHUA UNIV PRESS
DOI: 10.1007/s12274-015-0948-y
Keywords
methylammonium bismuth (III) iodide; single crystal; perovskite solar cells; organic-inorganic hybrid material; lead-free
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Funding
- CRC-Polymers programs
- ARC DPs and FT programs
- IPRS Scholarship
- Australian research council (ARC) [FT120100674]
- Australian Research Council [FT120100674] Funding Source: Australian Research Council
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Methylammonium bismuth (III) iodide single crystals and films have been developed and investigated. We have further presented the first demonstration of using this organic-inorganic bismuth-based material to replace lead/tin-based perovskite materials in solution-processable solar cells. The organic-inorganic bismuth-based material has advantages of non-toxicity, ambient stability, and low-temperature solution-processability, which provides a promising solution to address the toxicity and stability challenges in organolead- and organotin-based perovskite solar cells. We also demonstrated that trivalent metal cation-based organic-inorganic hybrid materials can exhibit photovoltaic effect, which may inspire more research work on developing and applying organic-inorganic hybrid materials beyond divalent metal cations (Pb (II) and Sn (II)) for solar energy applications.
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