fig2

Organic-inorganic hybrid quasi-2D perovskites incorporated with fluorinated additives for efficient and stable four-terminal tandem solar cells

Figure 2. Photoresponse properties of as-prepared perovskite films. (A) UV-Vis absorption spectra (in which Stage-x represents x layers of [PbI5Br]4- octahedra sandwiched between each two 3-TFMBA molecular planes), (B) corresponding (A)2vs. curves, (C) steady PL spectra and (D) TRPL spectra of (3-TFMBA)2(Cs0.17FA0.83)n-1Pbn(I0.83Br0.17)3n-1I2 perovskite films.

Energy Materials
ISSN 2770-5900 (Online)
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