Table 1 Device performance of perovskite solar cells.

Pristine and differing weight volumes, x, of BPQDs.

CsPbI2Br + xBPQDs*
(black films)
Jsc
(mA/cm2)
Jsc-AVE
(mA/cm2)
Voc
(V)
FF
(%)
PCE
(%)
PCEAVE
(%)
50°C/10 minx = 013.2311.52 ± 0.201.07649.268.97 ± 0.96
x = 0.3 wt %13.9212.13 ± 0.111.096710.229.72 ± 0.74
x = 0.5 wt %14.3813.47 ± 0.231.137211.7810.25 ± 0.94
x = 0.7 wt %14.9513.61 ± 0.151.177513.2312.38 ± 0.84
50–200°Cx = 0.7 wt %15.8614.85 ± 0.341.257815.4714.80 ± 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.