Rational Tailoring of Hole-Selective Self-Assembly Monolayers Based on Sulfur-Containing Heterocycles for High-Performance Perovskite Solar Cells.

Chun-To Wong, Jie Zeng, Xiaofeng Huang, Wenlin Jiang, Alex K-Y Jen

Abstract read

In one paragraph

Article in Angewandte Chemie (International ed. in English), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

5 authors.

Chun-To WongDepartment of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong SAR.

Jie ZengDepartment of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong SAR.ORCID https://orcid.org/0000-0001-8596-2644

Xiaofeng HuangDepartment of Chemistry, City University of Hong Kong, Kowloon, Hong Kong SAR.

Wenlin JiangDepartment of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong SAR.ORCID https://orcid.org/0000-0003-2387-1901

Alex K-Y JenDepartment of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong SAR.ORCID https://orcid.org/0000-0002-9219-7749

Funding

City University of Hong Kong 9610739GRF grants from Research Grants Council of Hong Kong 11304424GRF grants from Research Grants Council of Hong Kong 11308625GRF grants from Research Grants Council of Hong Kong 11316422GRF grants from Research Grants Council of Hong Kong CRS_CityU104/23GRF grants from Research Grants Council of Hong Kong CRS_HKUST203/23Lee Shau-Kee Chair Professor (Materials Science) and the APRC Grants of the City University of Hong Kong 9380086Lee Shau-Kee Chair Professor (Materials Science) and the APRC Grants of the City University of Hong Kong 9610419Lee Shau-Kee Chair Professor (Materials Science) and the APRC Grants of the City University of Hong Kong 9610440Lee Shau-Kee Chair Professor (Materials Science) and the APRC Grants of the City University of Hong Kong 9610492Lee Shau-Kee Chair Professor (Materials Science) and the APRC Grants of the City University of Hong Kong 9610508National Natural Science Foundation of China T2541160284Start-up Fund and Young Scientist Cultivation Program from Sun Yat-sen University 2026QNPY01TCFS grant from Innovation and Technology Commission of Hong Kong GHP/121/22SZ

6 · The paper itself

Abstract

Conventional hole‑selective self‑assembled monolayers (SAMs) for perovskite solar cells (PSCs) have largely focused on tuning electronic properties while neglecting their roles as crystallization templates and defect passivators. We address this by replacing unstable Lewis‑basic thioalkyl groups with sulfur‑containing heterocycles (thiophene derivatives) in a carbazole‑based SAM framework. Two novel non‑centrosymmetric SAMs, TP, and BTP, are synthesized; BTP, with an extended conjugated scaffold, exhibits reduced sulfur electron density, superior stability, and stronger intermolecular C-H···π and S···π interactions. These properties enable dense, ordered assembly on ITO, enhancing hole mobility, built‑in potential, and wettability. BTP also passivates undercoordinated Pb

Indexed as

carbazoledefect passivationhole‐selective layerperovskite solar cellsself‐assembled monolayer

Identifiers

PMID42438951

DOI10.1002/anie.1864800

PMCPMC13573041

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.