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Issue 7, 2019
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An experimental and theoretical study into NaSbS2 as an emerging solar absorber

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Abstract

As photovoltaics have grown to become one of the dominant renewable energy generating technologies, attention has fallen upon thin-film materials as a route to lightweight, flexible and portable solar cells. NaSbS2 has recently been proposed as a non-toxic, earth abundant solar absorber for thin-film cells. In this study, we use a combined theoretical and experimental approach to characterize and assess the electronic and optical properties of NaSbS2 as an emerging solar absorber. Our results, utilising two theoretical efficiency metrics, demonstrate that NaSbS2 may be limited for use in single-junction cells by a forbidden band gap and slow absorption onset. Other features of its electronic structure, however, indicate that the material may still be promising in thermoelectric applications.

Graphical abstract: An experimental and theoretical study into NaSbS2 as an emerging solar absorber

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Publication details

The article was received on 12 Dec 2018, accepted on 18 Jan 2019 and first published on 21 Jan 2019


Article type: Paper
DOI: 10.1039/C8TC06284F
Citation: J. Mater. Chem. C, 2019,7, 2059-2067

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    An experimental and theoretical study into NaSbS2 as an emerging solar absorber

    W. W. W. Leung, C. N. Savory, R. G. Palgrave and D. O. Scanlon, J. Mater. Chem. C, 2019, 7, 2059
    DOI: 10.1039/C8TC06284F

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