Cell

Configuration structure

V_oc

(V)

J_sc

(mA∙cm⁻²)

FF

%

PCE

%

1.

n-graphene/CsSnGeI/p-graphene

0.969

25.99

83.2

20.97

2.

ZnO/CsSnGeI/p-graphene

1.1304

26.007

88.7

26.09

3.

C₆₀/CsSnGeI/p-graphene

1.1254

26.026

88.29

25.86

4.

PCBM/CsSnGeI/p-graphene

1.1301

26.011

88.67

26.07