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Alloying Sb into all inorganic lead-free CsBi<sub>3</sub>I<sub>10</sub> for improving the crystal growth and photovoltaic performance

Jian Kang, Shan Chen, Mengmeng Hao, Junxian Liu, Mohammad Al‐Mamun, Porun Liu, Yun Wang, Huajie Yin, Huijun Zhao

Journal of Materials Chemistry A · 2022 · 27 citations · 41 references

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Abstract

The incorporation of isovalent Sb 3+ into all inorganic lead-free CsBi 3 I 10 leads to the improved crystal growth and reduced bandgaps. Solar cells based on Cs(Bi 0.7 Sb 0.3 ) 3 I 10 yield a champion PCE of 1.54% with a high V oc of 0.81 V.

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