Table 2. Quantum Yield (QY)^a at RT, Calculated LY (LY^calc), Experimental LY (LY^exp) Measured at 300 K, and Electron–Hole Transfer Efficiency (S).

compounds	QY (%)	LYcalc (S = 1) (ph/keV)	LYexp (ph/keV)	S (%)
(PEA)2PbBr4	38.2 ± 3.8	56.1 ± 5.6	14.2 ± 1.4	27.51 ± 2.75
(PEA1.5BZA0.5)PbBr4	12.3 ± 1.2	17.7 ± 1.8	9.9 ± 1.0	60.77 ± 6.08
(PEABZA)PbBr4	10.7 ± 1.1	15.3 ± 1.5	7.8 ± 0.8	55.09 ± 5.51
(BZA)2PbBr4	19.3 ± 1.9	27.2 ± 2.7	10.6 ± 1.1	42.29 ± 4.23