Interconnecting semiconducting molecules with non-conjugated soft linkers: a way to improve film formation quality without sacrifice in charge mobility

Xiao, Wen‐Jing; Wang, Jiandong; Li, Hongjiao; Liang, Long; Xiang, Xuan; Chen, Xueqiang; Li, Jingjing; Lu, Zhou; Li, Weishi

doi:10.1039/c8ra04405h

Cited by 5 publications

(2 citation statements)

References 55 publications

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“…Despite aggregation in solution often leading to reduced thinfilm uniformity relative to polymeric materials, 166 small molecules have nonetheless provided a major contribution to the fabrication of organic semiconducting devices. The most comprehensive review to date identified 643 reported small molecules used in field-effect transistors, compared to only 66 distinct polymers for the same purpose.…”

Section: Small Moleculesmentioning

confidence: 99%

Organic semiconductors for biological sensing

2019

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Section: Small Moleculesmentioning

confidence: 99%

Organic semiconductors for biological sensing

2019

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“…Another strategy to reduce the stiffness of the backbone of semiconducting polymers is to add conjugation-break spacers . This strategy also leads to tradeoffs between the electrical properties and the softness, with the modulus of these polymers falling within the 100–1000 MPa range. − …”

Section: Introductionmentioning

confidence: 99%

Engineering Soft, Elastic, and Conductive Polymers for Stretchable Electronics Using Ionic Compatibilization

Le,

Lapkriengkri,

Albanese

et al. 2023

Chem. Mater.

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Thermomechanical enhancement of DPP‐4T through purposeful π‐conjugation disruption

Callaway

Bombile

Mask

et al. 2021

Journal of Polymer Science

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The design of polymer-based organic semiconductors that offer mechanical deformability while maintaining efficient semiconducting characteristics remains a significant challenge. Recent synthetic efforts have incorporated small alkyl segments directly into otherwise π-conjugated polymer backbones to enhance processability, mechanical deformability, and other properties. The resulting polymers can be used as stand-alone materials or as matrix polymers in complementary semiconducting polymer blends offering reasonable chargecarrier transport properties, thermal healing, and deformability. Here, a family of diketopyrrolopyrrole-tetrathiophene variants is explored via large-scale atomistic molecular dynamics simulations to examine the effect of alkyl segments incorporated into the polymer backbone on the polymer structure, dynamics, and thermal properties. Longer alkyl segments lead to polymer chains that are more flexible, compact, and mobile, with lower glass transition temperatures for the condensed phase.

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Interconnecting semiconducting molecules with non-conjugated soft linkers: a way to improve film formation quality without sacrifice in charge mobility

Abstract: For small molecular semiconductors, interconnecting their molecules with non-conjugated soft linkers has been demonstrated to be a good way for improving their film formation quality while keeping their mobility intact for OFETs.

Cited by 5 publications

References 55 publications

Organic semiconductors for biological sensing

Organic semiconductors for biological sensing

Engineering Soft, Elastic, and Conductive Polymers for Stretchable Electronics Using Ionic Compatibilization

Thermomechanical enhancement of DPP‐4T through purposeful π‐conjugation disruption

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