# Innovative Approaches to Semi-Transparent Perovskite Solar Cells
## 7 Conclusions and Perspectives
\begin{table}
\begin{tabular}{c c c c c c c c c c} \hline \hline
**Category** & **Band-Cap** & **Thickness** & **VQC** & **Dev** & **PF** & **PCE** & **AVT** & **HTL** & **ETL** & **Ref. ** \\  & **(w)** & **(w)** & **(w)** & **(w \begin{table}
\begin{tabular}{c c c c c c c c c c c} \hline \hline
**Category** & **Rand-Cap** & **Tholemens** & **V\({}_{\text{QC}}\)** & **Jsc** & **FF (\%)** & **PCE** & **AVT** & **HTL** & **ETL** & **Ref.** \\  & **(w)** & **(in)** & **(w)** & **(mA/cm\({}^{3}\))** & **(w)** & **(w)** & **(w)** & **(w)** & **(w)** & **(w)** \\ \hline MATPB\({}_{3-}\)Cl\({}_{\text{A}}\) & -1.57-2.59 & 240 & 0.54 & 14.67 & 62.34 & 8.6 & 15.54 & PEDOTPSS & FPCM & [43] \\ \hline C\({}_{\text{QC}}\)2F\({}_{\text{Q}}\)3F\({}_{\text{Q}}\)4F\({}_{\text{Q}}\)3 & -157-2.28 & 302 & 1.22 & 15.49 & 75.96 & 14.4 & 38 & NNO-modified web 22 PCx & CGR/PCP & [25] \\ \hline C\({}_{\text{QC}}\)2F\({}_{\text{Q}}\)3F\({}_{\text{Q}}\)4F\({}_{\text{Q}}\)3F\({}_{\text{Q}}\)1F\({}_{\text{Q}}\)2F\({}_{\text{Q}}\)1F\({}_{\text{Q}}\)99 & 1.73 & 400 & 1.272 & 16.12 & 75.03 & 15.55 & 20.77 & \%Bio-ChMeTAD & SiO\({}_{2}\) & [28] \\ \hline \hline \end{tabular}
\end{table} 
Table 1: _Cont._ \begin{table}
\begin{tabular}{c c c c c c c} \hline \hline
**Category** & **Device Structure** & **AVT (\%)** & **PCE (\%)** & **Ref.** \\ \hline  & FTO/ZnO/PCBM/CH\({}_{3}\)NH\({}_{3}\)PbJ\({}_{3}\)/Spiro-OMeTAD/MoO\({}_{3}\)/H-doped & - & 14.1 & [50] \\  & In\({}_{2}\)O\({}_{3}\) & - & 14.1 & [50] \\  & ITO/PEDOT:PSS/perovskite/PC\({}_{60}\)BM/AZO/ITO & - & 12.3 & [56] \\ Transparent & ITO/PTAA/CH\({}_{3}\)NH\({}_{3}\)PbJ\({}_{3}\)/PCBM/AZO/ITO & 12.08 & 13.68 & [64] \\  & ITO/NO/INO/perovskite/PCBM/ZnO/ITO & 33.9 & 8.31 & [66] \\ oxide-based TEs & ITO/ZnO/PTB?-TH:IEICO 4F/MoO\({}_{3}\)/Ag/ITO & 36.2 & 8.1 & [112] \\  & ITO/ZnO/PTB?-TH:IEICO-4F/MoO\({}_{3}\)/Ag/ITO & 28.6 & 10.2 & [112] \\  & ITO/NiOX/PSS/FAPbBr\({}_{0.43}\)Cl\({}_{0.57}\)/PC\({}_{61}\)BM/ZnO-NPs/LS-ITO/M- & 52.91 & 10.55 & [113] \\  & PEDOT:PSS/PTB?-TH:6 TIC-4F/ZnONPs/ITO & 52.91 & 10.55 & [113] \\  & ITO/NiOX/PSS/Perovskite/PCBM/BCP/IO-GT & 21.9 & 17.9 & [67] \\ \hline  & ITO/PEDOT:PSS/CH\({}_{3}\)NH\({}_{3}\)PbJ\({}_{3}\)/C\({}_{60}\)/BCP/Ag/MoO\({}_{3}\) & 7.1 & 13.49 & [74] \\  & ITO/ZnO/PM6:N3/MoO\({}_{3}\)/Ag/MoO\({}_{3}\) & 28.94 & 10 & [172] \\  & ITO/SnO\({}_{2}\)/PAPb\({}_{3}\)/spiro-OMeTAD/MoO\({}_{3}\)/Ag/WO\({}_{3}\) & 12.18 & 15.33 & [114] \\  & ITO/NiO/Cs\({}_{0.175}\)FA\({}_{0.825}\)Pb(\({}_{0.875}\)Br\({}_{0.125}\))\({}_{3}\)/C\({}_{60}\)/Ag/C\({}_{60}\) & - & 5.1 & [173] \\  & ITO/PEDOT:PSS/PTB?-TH:IEICO-4F/P PFN-Br/Ag/PCs & 29.5 & 10.83 & [115] \\  & ITO/PEDOT:PSS/PTB?-TH:ITWC/PHDN/Ag & 26.4 & 8.21 & [116] \\  & ITO/PEDOT:PSS/PPovskite/ALD-ZnO/AgNW/ALD\({}_{2}\)O\({}_{3}\) & 25.5 & 10.8 & [41] \\  & ITO/PEDOT:PSS/CH\({}_{3}\)NH\({}_{3}\)PbJ\({}_{3}\)-Cl\({}_{\text{A}}\)/PC\({}_{60}\)BM/ZnO NP/AgNWs & 28.4 & 8.49 & [40] \\  & FTO/TO\({}_{2}\)/CH\({}_{3}\)NH\({}_{3}\)PbJ\({}_{3}\)/spiro-OMeTAD/AgNWs-Au & - & 11.1 & [89] \\  & ITO/ZnO/PM6:Y6/PEDOT:PSS/AgNW & 23 & 9.79 & [117] \\ \hline Carbon-material- & & FTO/TiO\({}_{2}\)/CH\({}_{3}\)NH\({}_{3}\)PbJ\({}_{3-}\)Cl\({}_{\text{A}}\)/spiro- & - & 6.13 & [97] \\ TEs & OMeTAD/PEDOT:PSS/graphene & - & 6.1 & [97] \\  & PEN/graphene/PEDOT:PSS/ZnO/PDTPTPBF:PC\({}_{70}\)BM/MoO\({}_{3}\)/graphene & 54 & 3.8 & [118] \\  & Graphene/PEDOT:PSS/ZnO/PTB?:PC\({}_{71}\)BM/PEDOT:PSS/graphene & 40 & 3.4 & [119] \\  & ITO/ZnO/PTB?:PC\({}_{71}\)BM/MoO\({}_{3}\)/HNO\({}_{3}\)-CNTs & - & 3.7 & [174] \\  & ITO/SnO\({}_{2}\)/MaPbJ\({}_{3}\)/CNT/MoO\({}_{3}\)/Spiro-OMeTAD/Au & - & 17.3 & [104] \\ \hline PEDOT:PSS-based & FTO/TiO\({}_{2}\)/CH\({}_{3}\)NH\({}_{3}\)PbJ\({}_{3}\)/Spiro-OMeTAD/PEDOT:PSS & 7.3 & 10.1 & [109] \\ TEs & ITO/PEDOT:PSS/FAMPb\({}_{1-3}\)Br\({}_{3}\)/PCBM/PEDOT:PSS:CFE/PDMS & 30.6 & 12.5 & [111] \\  & ITO/ZnO/PEIE/P3 HT:PCBM/PEDOT:PSS & 51.2 & 2 & [120] \\ \hline \hline \end{tabular}
\end{table} 
Table 2: Summary of representative ST-PSCs with different top TEs.