Table 1 Key findings from PSC studies.

From: Comprehensive analysis of heterojunction compatibility of various perovskite solar cells with promising charge transport materials

Author

PSC structure

Performance

Key findings

References

Hao et al.

MASnI3

PCE of 5.7%

First Successful Fabrication

23

Zhao et al.

MASnI3

Improved PCE to 6.4%

Increasing stability b reducing defects

24

Umari et al.

MASnI3

Superior properties of MASnI3 compared to MAPbI3

Many-body perturbation theory

25

Qi et al.

MASnI3

PCE of 11.12%

Sequential deposition and Oxidation mitigation

27

Mathews et al.

Ge-based

MAGeI3 and CsGeI3 PSCs with PCEs of 0.11% and 0.2% respectively

Proposed Ge as a potential substitute for Pb

30

Kopacic et al.

MAGeI2.7Br0.3

PCE of 0.57%

Chemical composition modification with Br

31

Kanoun et al.

MAGeI3

PCE of 21.6% through numerical modeling

Numerical Modelling

32

Singh et al.

MAGeI3

PCE of 26.3%

Numerical Modelling

33

Raoui et al.

MAPbI3

Improved PCE between 19.7 and 26.74% using different ETLs and HTLs

Material substitution (ETL = SnO2 & ZnO2 and HTLs = CuSbS2, Cu2O & CuSCN)

40

Shasti et al.

MAPbI3

Improved PCE between 19.67 and 19.82% using different HTLs

Replacing spriro-OMeTAD with Cu2O, SrCu2O2 and CuAlO2

41

Khattak et al.

MAPbI3

Multiple cells PCE beyond 20%

Kesterites utilized as HTL

35

Trifiletti et al.

MAPbI3

PCE of 14% using CZTS kesterite in planar structure

CZTS compared in planar and inverted structure

45

Karimi et al.

MAPbI3

Higher PCE of 21.8% with ZnO

SnO2 and ZnO compared as ETL

34

Arzi et al.

MAPBI3

Higher PCE 20.6% with ZnO

TiO2 and ZnO compared as ETL

47

Raoui et al. and Nine et al.

MAPbI3 & MASnI3

MAPbI3 achieved PCE of 19.7% while MASnI3 achieved 9% using SnO2 and CuI as CTL

MAPbI3 formed good band alignment while MASnI3 formed alignment with offsets

48