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(a) Schematic representation of the device structure. (b) Cross‐sectional TEM images and (c) schematic representation of tetraoctylammonium monolayer‐protected Au22‐QCs. (d) Au22‐QCs solution dispersed in CB. (e,f) PL emission of Au22‐QCs under 365 nm UV irradiation and one sun solar simulator irradiation showing illumination angle dependence of semitransparent solar cells. Reproduced with permission from ref. [122]; copyright 2018, Elsevier.
