Fig. 7: Colorful perovskite solar cells.
From: Next-generation applications for integrated perovskite solar cells
a A photo of the fabricated PSCs, with Spiro-MeOTAD as the HTM and gold as the current collector, showing the appearance in reflected light. a adapted with permission from ref. 121, Copyright 2016 Royal Society of Chemistry. b Changes in the UV-vis absorption spectra and (c) the corresponding bandgap of perovskites (MAPb(I1–xBrx)3) as a function of Br composition (x). b, c Adapted with permission from ref. 122, Copyright 2013 American Chemical Society. d The precursor solution concentration dependent perovskite film morphologies for vividly colorful PSCs. d adapted with permission from ref. 124, Copyright 2015 Royal Society of Chemistry. e Different pigment materials spin-coated on semitransparent perovskites. e adapted with permission from ref. 125, Copyright 2016 Wiley-VCH. f A photo of PSCs with different thicknesses (40–160 nm) of PEDOT:PSS. f adapted with permission from ref. 126Copyright 2016 American Chemical Society.
