Self-Enhanced Dual-Emissive Electrochemiluminescent Metallacages Combining Aggregation-Caused Quenching and Aggregation-Induced Emission Dyes.

Ziqi Lian, Zeyu Yang, Yu Wang, Ruotong Chen, Jianshan Ye, Jianqiang Hu, Nan Li, Ying Ma, Bin Su

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Article in Small (Weinheim an der Bergstrasse, Germany), 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.

Ziqi LianSchool of Chemistry and Chemical Engineering, Key Laboratory of Fuel Cell Technology of Guangdong Province, South China University of Technology, Guangzhou, China.

Zeyu YangSchool of Chemistry and Chemical Engineering, Key Laboratory of Fuel Cell Technology of Guangdong Province, South China University of Technology, Guangzhou, China.

Yu WangSchool of Chemistry and Chemical Engineering, Key Laboratory of Fuel Cell Technology of Guangdong Province, South China University of Technology, Guangzhou, China.

Ruotong ChenCollege of Materials and Energy, Key Laboratory for Biobased Materials and Energy of Ministry of Education, South China Agricultural University, Guangzhou, China.

Jianshan YeSchool of Chemistry and Chemical Engineering, Key Laboratory of Fuel Cell Technology of Guangdong Province, South China University of Technology, Guangzhou, China.

Jianqiang HuSchool of Chemistry and Chemical Engineering, Key Laboratory of Fuel Cell Technology of Guangdong Province, South China University of Technology, Guangzhou, China.

Nan LiDepartment of Biomedical Engineering, Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Jinan University, Guangzhou, China.

Ying MaSchool of Chemistry and Chemical Engineering, Key Laboratory of Fuel Cell Technology of Guangdong Province, South China University of Technology, Guangzhou, China.ORCID https://orcid.org/0000-0003-2204-0663

Bin SuZhejiang Key Laboratory of Excited-State Energy Conversion and Energy Storage, Department of Chemistry, Zhejiang University, Hangzhou, China.ORCID https://orcid.org/0000-0003-0115-2279

Funding

Guangdong Basic and Applied Basic Research Foundation 2020A1515010957Guangdong Basic and Applied Basic Research Foundation 2023A1515011361Guangdong Basic and Applied Basic Research Foundation 2024A1515011310National Natural Science Foundation of China 21974052National Natural Science Foundation of China 22125405

6 · The paper itself

Abstract

Aggregation-caused quenching (ACQ) and aggregation-induced emission (AIE) represent two opposite but incomplete paradigms in aggregation-dependent luminescence, in which efficient emission is confined to either dispersed or aggregated state. Bridging these regimes within a single system remains challenging. Herein, we report a metallacage (MC)-based electrochemiluminescent (ECL) system, in which a tetraphenylethene (TPE)-based pyridyl ligand and π-extended conjugation derivatives are bridged together to act as AIE and ACQ chromophores within a single structurally well-defined framework. The discrete cage architecture controls chromophore orientation, π-π interactions, and donor-acceptor characteristics, achieving dual-emission from ACQ chromophore in the dispersed state and AIE chromophore in the aggregated state. Moreover, a platinum(II) complex serves as not only the rigid bridging node but also as catalytic center, which promotes the reduction of S

Indexed as

aggregation‐caused quenchingaggregation‐induced emissiondual emissionmetallacageself‐enhanced electrochemiluminescence

Identifiers

PMID42473105

DOI10.1002/smll.74743

PMCPMC13580314

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