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Limitations of Cs3Bi2I9 as Lead-Free Photovoltaic Absorber Materials

Ghosh, Biplab; Wu, Bo; Mulmudi, Hemant Kumar; Guet, Claude; Weber, Klaus; Sum, Tze Chien; Mhaisalkar, Subodh; Mathews, Nripan


Lead (Pb) halide perovskites have attracted tremendous attention in recent years because of their rich optoelectronic properties, which have resulted in more than 22% power conversion efficient photovoltaics (PVs). Nevertheless, Pb-metal toxicity remains a huge hurdle for extensive applications of these compounds. Thus, alternative compounds with similar optoelectronic properties need to be developed. Bismuth possesses electronic structure similar to that of lead with the presence of ns2...[Show more]

CollectionsANU Research Publications
Date published: 2018-01-17
Type: Journal article
Source: ACS Applied Materials and Interfaces
DOI: 10.1021/acsami.7b14735


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