Promise of commercialization: Carbon materials for low-cost perovskite solar cells |
(a), (c), (e) Top view and (b), (d), (f) cross-sectional SEM images of the carbon black, MWCNT, and graphite-based PVSCs. The dashed lines represent the interface of FTO/TiO2 and CH3NH3PbI3/C, respectively. Reprinted from Ref. [ |
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