Royal Society of Chemistry, Journal of Materials Chemistry A: materials for energy and sustainability, 16(6), p. 6882-6890, 2018
DOI: 10.1039/c7ta11128b
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Thermal annealing in air of p–i–n metal halide perovskite solar cells processed on PEDOT:PSS restores the work function of this hole transport layer, resulting in power conversion efficiency.