Very Low Band Gap Thiadiazoloquinoxaline Donor–Acceptor Polymers as Multi-tool Conjugated Polymers

Timothy Steckler; Patrik Henriksson; Sonya Mollinger; Angelica Lundin; Alberto Salleo; Mats R. Andersson

doi:10.1021/ja410527n

Very Low Band Gap Thiadiazoloquinoxaline Donor–Acceptor Polymers as Multi-tool Conjugated Polymers

Timothy Steckler, Patrik Henriksson, Sonya Mollinger, Angelica Lundin, Alberto Salleo, Mats R. Andersson

Research output: Contribution to journal › Article › peer-review

124 Citations (Scopus)

Abstract

Here we report on the synthesis of two novel very low band gap (VLG) donor-acceptor polymers (E(g) ≤ 1 eV) and an oligomer based on the thiadiazoloquinoxaline acceptor. Both polymers demonstrate decent ambipolar mobilities, with P1 showing the best performance of ∼10(-2) cm (2) V(-1) s(-1) for p- and n-type operation. These polymers are among the lowest band gap polymers (≲0.7 eV) reported, with a neutral λ(max) = 1476 nm (P2), which is the farthest red-shifted λ(max) reported to date for a soluble processable polymer. Very little has been done to characterize the electrochromic aspects of VLG polymers; interestingly, these polymers actually show a bleaching of their neutral absorptions in the near-infrared region and have an electrochromic contrast up to 30% at a switching speed of 3 s.

Original language	English
Pages (from-to)	1190-1193
Number of pages	4
Journal	Journal of The American Chemical Society
Volume	136
Issue number	4
DOIs	https://doi.org/10.1021/ja410527n
Publication status	Published - 29 Jan 2014

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abstract = "Here we report on the synthesis of two novel very low band gap (VLG) donor-acceptor polymers (E(g) ≤ 1 eV) and an oligomer based on the thiadiazoloquinoxaline acceptor. Both polymers demonstrate decent ambipolar mobilities, with P1 showing the best performance of ∼10(-2) cm (2) V(-1) s(-1) for p- and n-type operation. These polymers are among the lowest band gap polymers (≲0.7 eV) reported, with a neutral λ(max) = 1476 nm (P2), which is the farthest red-shifted λ(max) reported to date for a soluble processable polymer. Very little has been done to characterize the electrochromic aspects of VLG polymers; interestingly, these polymers actually show a bleaching of their neutral absorptions in the near-infrared region and have an electrochromic contrast up to 30% at a switching speed of 3 s.",

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AU - Steckler, Timothy

AU - Henriksson, Patrik

AU - Mollinger, Sonya

AU - Lundin, Angelica

AU - Salleo, Alberto

AU - Andersson, Mats R.

PY - 2014/1/29

Y1 - 2014/1/29

N2 - Here we report on the synthesis of two novel very low band gap (VLG) donor-acceptor polymers (E(g) ≤ 1 eV) and an oligomer based on the thiadiazoloquinoxaline acceptor. Both polymers demonstrate decent ambipolar mobilities, with P1 showing the best performance of ∼10(-2) cm (2) V(-1) s(-1) for p- and n-type operation. These polymers are among the lowest band gap polymers (≲0.7 eV) reported, with a neutral λ(max) = 1476 nm (P2), which is the farthest red-shifted λ(max) reported to date for a soluble processable polymer. Very little has been done to characterize the electrochromic aspects of VLG polymers; interestingly, these polymers actually show a bleaching of their neutral absorptions in the near-infrared region and have an electrochromic contrast up to 30% at a switching speed of 3 s.

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Very Low Band Gap Thiadiazoloquinoxaline Donor–Acceptor Polymers as Multi-tool Conjugated Polymers

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