Aggregation-Induced Doping Enhancement Enabled by Non-Covalent Conformation Locking on Conjugated Polyelectrolyte Toward Efficient Hole Collection in Organic Solar Cells.

Yao Tong, Kun Li, Heng Liu, Shuchang Wang, Qingyang Li, Zheng Zhang, Shouke Yan, Cunbin An, Bowei Xu

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

9 authors.

Yao TongState Key Laboratory of Chemical Resource Engineering, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, People's Republic of China.

Kun LiBeijing Key Laboratory for Optical Materials and Photonic Devices, Department of Chemistry, Capital Normal University, Beijing, People's Republic of China.

Heng LiuState Key Laboratory of Chemical Resource Engineering, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, People's Republic of China.

Shuchang WangState Key Laboratory of Chemical Resource Engineering, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, People's Republic of China.

Qingyang LiState Key Laboratory of Chemical Resource Engineering, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, People's Republic of China.

Zheng ZhangState Key Laboratory of Chemical Resource Engineering, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, People's Republic of China.

Shouke YanState Key Laboratory of Chemical Resource Engineering, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, People's Republic of China.

Cunbin AnBeijing Key Laboratory for Optical Materials and Photonic Devices, Department of Chemistry, Capital Normal University, Beijing, People's Republic of China.ORCID https://orcid.org/0000-0001-6019-2700

Bowei XuState Key Laboratory of Chemical Resource Engineering, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, People's Republic of China.ORCID https://orcid.org/0000-0001-6467-6147

Funding

Beijing Municipal Science & Technology Commission 2242013National Natural Science Foundation of China 52273166

6 · The paper itself

Abstract

The development of anode interlayers (AIL) with a non-corrosive nature and good compatibility with large-area fabrication techniques has long been an important topic in the field of organic solar cells (OSCs). However, most AIL materials suffer from low doping density, which results in poor conductivity, ultimately degrading their performances. Here, we demonstrate an aggregation-induced doping enhancement in conjugated polyelectrolytes (CPEs), enabled by the introduction of non-covalent S-O and S-F interactions as conformational locks to yield coplanar conjugated backbones. The characterization results of condensed structure revealed that the ordered and compact molecular aggregation of CPE films can induce a pronounced p-doping effect, which significantly enhances charge-transporting capabilities. In particular, the PEP-2SF exhibited a π-π stacking distance of 3.53 Å and showed an exceptional conductivity of 4.34 × 10

Indexed as

anode interlayerconjugated polyelectrolytemolecular aggregationnon‐covalent interactionp‐type doping

Identifiers

PMID42251684

DOI10.1002/anie.1334595

PMCPMC13452538

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