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. 2024 May 3;16(19):25529–25539. doi: 10.1021/acsami.4c01741

Table 1. Summary of Optical Properties, where Egabs and Egcal are the Band Gaps Acquired through Elliot Fitting, as Illustrated in Figure S2, and DFT Calculation, as Depicted in Figure 2, Respectively.

compounds Egcal (eV) Egabs (eV) maximum PL peak (eV) Stokes shift (Egabs ∼ Max.PL), (eV) fwhm (eV)
(PEA)2PbBr4 2.92 2.96 3.00 0.04 0.26
(PEA1.5BZA0.5)PbBr4 2.97 3.02 3.01 0.01 0.23
(PEABZA)PbBr4 3.00 3.04 3.01 0.03 0.25
(BZA)2PbBr4 3.05 3.09 3.03 0.06 0.21