Performance enhancement of AgBiI solar cells by modulating a solvent-mediated adduct and tuning remnant BiI in one-step crystallization

We modulated a solvent-mediated adduct for one-step crystallization of lead-free AgBi 2 I 7 at a lower temperature (90 °C) and to obtain remnant BiI 3 by controlling the nature of the substrate and precursor concentration. This eventually resulted in remarkable enhancement in the power conversion ef...

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Published in:Chemical communications (Cambridge, England) England), 2019-04, Vol.55 (28), p.431-434
Main Authors: Kulkarni, Ashish, Jena, Ajay K, Ikegami, Masashi, Miyasaka, Tsutomu
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Summary:We modulated a solvent-mediated adduct for one-step crystallization of lead-free AgBi 2 I 7 at a lower temperature (90 °C) and to obtain remnant BiI 3 by controlling the nature of the substrate and precursor concentration. This eventually resulted in remarkable enhancement in the power conversion efficiency, reaching 2.12%, and the long-term stability of AgBi 2 I 7 solar cells towards light, heat and humidity. We modulated a solvent-mediated adduct for one-step crystallization of lead-free AgBi 2 I 7 at a lower temperature (90 °C) and to obtain remnant BiI 3 by controlling the nature of the substrate and precursor concentration.
ISSN:1359-7345
1364-548X
DOI:10.1039/c9cc00733d