Research Article

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2016, 9(3): 692–702

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https://doi.org/10.1007/s12274-015-0948-y

Organic–inorganic bismuth (III)-based material: A lead-free, air-stable and solution-processable light-absorber beyond organolead perovskites

Miaoqiang Lyu1, Jung-Ho Yun1, Molang Cai2, Yalong Jiao2, Paul V. Bernhardt3, Meng Zhang1, Qiong Wang1, Aijun Du2, Hongxia Wang2, Gang Liu4, and Lianzhou Wang1 (*)

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1 Nanomaterials Centre, School of Chemical Engineering and AIBN, The University of Queensland, St Lucia, Brisbane, QLD 4072, Australia
2 School of Chemistry, Physics and Mechanical Engineering, Science and Engineering Faculty, Queensland University of Technology,Brisbane, QLD 4001, Australia
3 School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane 4072, Australia
4 Advanced Carbon Division, Institute of Metal Research Chinese Academy of Sciences (IMR CAS), 72 Wenhua Road, Shenyang 110016, China

Keywords: methylammonium bismuth (III) iodide, single crystal, perovskite solar cells, organic–inorganic hybrid material, lead-free
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  • Abstract
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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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Organic–inorganic bismuth (III)-based material: A lead-free, air-stable and solution-processable light-absorber beyond organolead perovskites. Nano Res. 2016, 9(3): 692–702 https://doi.org/10.1007/s12274-015-0948-y

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