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Published TCIMAIL newest issue No.196

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Products > TCI Topics Archives > TCI Topics 2021 >

Self-Assembled Monolayer Forming Reagent Enabling High Performance Organic Thin-Film Solar Cell

2PACz can form a self-assembly monolayer (SAM) on metal oxide surfaces due to the functionality of its terminal phosphonic acid moiety. 2PACz enhances efficiency, stability, and cost-effectiveness of perovskite solar cells. As a result, the 2PACz-based device shows better performance than those using PTAA hole transport material.¹⁾ Recently, 2PACz was further studied in organic thin-film solar cell (OPV), and improvements in power conversion efficiency and stability were observed when compared to the case of PEDOT:PSS. An OPV device with 2PACz-modified ITO electrode and the ternary BHJ (PM6:BTP-eC9:PC₇₁BM) showed a maximum PCE of 18.03%.²⁾

Related Product

D5798: MeO-2PACz

References

1) Conformal Monolayer Contacts with Lossless Interfaces for Perovskite Single Junction and Monolithic Tandem Solar Cells
- A. Al-Ashouri, A. Magomedov, M. Roß, M. Jošt, M. Talaikis, G. Chistiakova, T. Bertram, J. A. Márquez, E. Köhnen, E. Kasparavičius, S. Levcenco, L. Gil-Escrig, C. J. Hages, R. Schlatmann, B. Rech, T. Malinauskas, T. Unold, C. A. Kaufmann, L. Korte, G. Niaura, V. Getautis, S. Albrecht, Energy Environ. Sci. 2019, 12, 3356.
2) Self-Assembled Monolayer Enables Hole Transport Layer-Free Organic Solar Cells with 18% Efficiency and Improved Operational Stability
- Y. Lin, Y. Firdaus, F. H. Isikgor, M. I. Nugraha, E. Yengel, G. T. Harrison, R. Hallani, A. El-Labban, H. Faber, C. Ma, X. Zheng, A. Subbiah, C. T. Howells, O. M. Bakr, I. McCulloch, S. De Wolf, L. Tsetseris, T. D. Anthopoulos, ACS Energy Lett. 2020, 5, 2935.