ArticleMacromolecular rapid communications2025
Near-Infrared Electroluminescent Conjugated Copolymer: Triphenyalmine-Functionalized Benzothiadiazole-Thiophene System for Circularly Polarized OLEDs.
Article in Macromolecular rapid communications, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Near-infrared circularly polarized electroluminescence from axially chiral diplatinum(II) phosphors.Nature communications · 2026Article
- Harnessing Poly(9,9-dialkylfluorene-alt-benzothiadiazole) for Circularly Polarized Electroluminescence: Advances and Perspectives.Materials (Basel, Switzerland) · 2026Review
- Circularly Polarized Near-Infrared Electroluminescence from Chromium(III) Complex-Based OLEDs.Small (Weinheim an der Bergstrasse, Germany) · 2026Article
- Near-Infrared Electroluminescent Conjugated Copolymer: Triphenyalmine-Functionalized Benzothiadiazole-Thiophene System for Circularly Polarized OLEDs.Macromolecular rapid communications · 2025Article
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We present a conjugated copolymer designed as a near-infrared (NIR) emitter for organic light-emitting diodes (NIR-OLEDs). The low bandgap donor-acceptor copolymer, comprising a terthiophene derivative (3T) and benzothiadiazole (BT), is end-capped with bulky triphenyalmine (TPA) groups (3TBT-TPA). Compared with the parent homologue capped with simple phenyl rings, 3TBT-TPA shows enhanced solubility in organic solvents with improved photoluminescence quantum yield thanks to a reduced close packing of chains. 3TBT-TPA, used both as neat emitting layer and blended with fluorene-benzothiadiazole (F8BT) host copolymer in a NIR-OLEDs, shows external quantum efficiency up to 0.58%. Additionally, chiral induction is achieved in the F8BT:3TBT-TPA blend film using a commercial chiral dopant, yielding circularly polarized (CP), photoluminescence (PL) and electroluminescence (EL) in the range 500-800 nm with a maximum dissymmetry factor in the range of 10
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