Glass Transition Phenomenon for Conjugated Polymers

Qian, Zhiyuan; Cao, Zhiqiang; Galuska, Luke; Zhang, Song; Xu, Jie; Gu, Xiaodan

doi:10.1002/macp.201900062

Title: Glass Transition Phenomenon for Conjugated Polymers

Journal Article · 24 April 2019 · Macromolecular Chemistry and Physics

DOI: https://doi.org/10.1002/macp.201900062 · OSTI ID:1657243

Qian, Zhiyuan ^[1]; Cao, Zhiqiang ^[1]; Galuska, Luke ^[1]; Zhang, Song ^[1]; Xu, Jie ^[2]; Gu, Xiaodan ^[1]

Univ. of Southern Mississippi, Hattiesburg, MI (United States). Center for Optoelectronic Materials and Device
Argonne National Lab. (ANL), Lemont, IL (United States)

Conjugated polymers are emerging as promising building blocks for a broad range of modern applications including skin-like electronics, wearable optoelectronics, and sensory technologies. In the past three decades, the optical and electronic properties of conjugated polymers have been extensively studied, while their thermomechanical properties, especially the glass transition phenomenon which fundamentally represents the polymer chain dynamics, have received much less attention. Currently, there is a lack of design rules that underpin the glass transition temperature of these semirigid conjugated polymers, putting a constraint on the rational polymer design for flexible stretchable devices and stable polymer glass that is needed for the devices' long-term morphology stability. In this review article, the glass transition phenomenon for polymers, glass transition theories, and characterization techniques are first discussed. Furthermore, previous studies on the glass transition phenomenon of conjugated polymers are reviewed and a few empirical design rules are proposed to fine-tune the glass transition temperature for conjugated polymers. The review paper is finished with perspectives on future directions on studying the glass transition phenomena of conjugated polymers. The goal of this perspective is to draw attention to challenges and opportunities of controlling, predicting, and designing polymeric semiconductors, specifically to accommodate their end use.

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Research Organization:: Argonne National Laboratory (ANL), Argonne, IL (United States); Univ. of Southern Mississippi, Hattiesburg, MS (United States)

Sponsoring Organization:: National Science Foundation (NSF); USDOE Office of Science (SC), Basic Energy Sciences (BES)

Grant/Contract Number:: AC02-06CH11357; SC0019361

OSTI ID:: 1657243

Journal Information:: Macromolecular Chemistry and Physics, Journal Name: Macromolecular Chemistry and Physics Journal Issue: 11 Vol. 220; ISSN 1022-1352

Publisher:: WileyCopyright Statement

Country of Publication:: United States

Language:: English

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Challenge and Solution of Characterizing Glass Transition Temperature for Conjugated Polymers by Differential Scanning Calorimetry Qian, Zhiyuan; Galuska, Luke; McNutt, William W. Journal of Polymer Science Part B: Polymer Physics, Vol. 57, Issue 23 https://doi.org/10.1002/polb.24889	journal	August 2019
Glass-transition-induced color-changing resins containing layered polydiacetylene Ishioka, Shuhei; Watanabe, Kei; Imai, Hiroaki Chemical Communications, Vol. 55, Issue 78 https://doi.org/10.1039/c9cc05303d	journal	January 2019
The effect of side-chain branch position on the thermal properties of poly(3-alkylthiophenes) Cao, Zhiqiang; Galuska, Luke; Qian, Zhiyuan Polymer Chemistry, Vol. 11, Issue 2 https://doi.org/10.1039/c9py01026b	journal	January 2020

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37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
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Title: Glass Transition Phenomenon for Conjugated Polymers

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