Table 1 Device performance of perovskite solar cells.

Pristine and differing weight volumes, x, of BPQDs.

CsPbI₂Br + xBPQDs* (black films)		J_sc (mA/cm²)	J_sc-AVE (mA/cm²)	V_oc (V)	FF (%)	PCE (%)	PCE_AVE (%)
50°C/10 min	x = 0	13.23	11.52 ± 0.20	1.07	64	9.26	8.97 ± 0.96
	x = 0.3 wt %	13.92	12.13 ± 0.11	1.09	67	10.22	9.72 ± 0.74
	x = 0.5 wt %	14.38	13.47 ± 0.23	1.13	72	11.78	10.25 ± 0.94
	x = 0.7 wt %	14.95	13.61 ± 0.15	1.17	75	13.23	12.38 ± 0.84
50–200°C^†	x = 0.7 wt %	15.86	14.85 ± 0.34	1.25	78	15.47	14.80 ± 0.76

*All of the deposited perovskite films rested for 30 min before annealing in glove box.

^†BPQDs@CsPbI₂Br hybrid film with 0.7 wt % BPQDs was gradually annealed from 50° to 200°C at a ramp rate of 50°C (10 min)⁻¹.