Stable Open-Shell Conjugated Terpolymer with Extended NIR Absorption for Organic Photodetectors Detecting Beyond 1000 nm.

Moon-Ki Jeong, Sang Hyuk Lee, Yousang Won, Jaeyong Ahn, Myeong In Kim, Joon Hak Oh

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Article in ACS applied materials & interfaces, 2025. 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

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6 authors.

Moon-Ki JeongSchool of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul 08826, Republic of Korea.ORCID 0009-0009-4199-9336

Sang Hyuk LeeSchool of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul 08826, Republic of Korea.ORCID 0009-0009-4829-5120

Yousang WonSchool of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul 08826, Republic of Korea.ORCID 0009-0003-7125-7858

Jaeyong AhnSchool of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul 08826, Republic of Korea.ORCID 0000-0002-0036-0300

Myeong In KimDepartment of Organic and Nano Engineering and Human-Tech Convergence Program, Hanyang University, Seoul 04763, Republic of Korea.ORCID 0009-0008-5996-6308

Joon Hak OhSchool of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul 08826, Republic of Korea.ORCID 0000-0003-0481-6069

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Near-infrared (NIR) photodetectors play crucial roles in many scientific, industrial, and medicinal fields. However, conventional organic photodetectors (OPDs) often do not utilize the NIR region due to poor absorption beyond 1000 nm. In this study, an open-shell conjugated terpolymer is synthesized for NIR detection. This polymer contains diketopyrrolopyrrole (DPP), thiophene, and benzo[1,2-c;4,5-c']bis[1,2,5]thiadiazole (BBT); these components form the novel random terpolymer poly{2,5-bis(2-decyltetradecyl)-3,6-di(thiophen-2-yl)-2,5-dihydropyrrolo[3,4-

Indexed as

conjugated polymerslow band gap polymersNIR sensorsopen-shell polymersorganic photodetectors

Identifiers

PMID40254972

DOI10.1021/acsami.5c03911

PMCPMC12051171

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LicenceCC BY-NC-ND

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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.