Abstract
Liquid-crystalline (LC) π-conjugated polymers are an emerging class of semiconducting materials owing to their promising performance in organic field-effect transistors (OFETs). Little is known, however, about the relationship between LC nature and charge carrier mobility. In this paper, we focus on a thiophene-based p-type semiconducting polymer, PC12TV12T, containing thienylene–vinylene–thienylene (TVT) units, and report a systematic investigation of its thermotropic LC properties, self-organized structures in bulk and thin films, as well as charge transport properties in OFETs. We found that thermal annealing at LC temperatures (99–170 °C) strongly enhanced OFET performance, leading to field-effect hole mobilities as high as 0.37 cm2 V−1 s−1, comparable to that of amorphous silicon. By virtue of its thermoplasticity, the TVT-based polymer can also be processed into fine semiconducting microfibers, which can even function as a p-type active channel for charge transport. This bottom-up technology utilizing the LC nature enables cost-effective and energy-efficient manufacture of optoelectronic devices.
| Original language | English |
|---|---|
| Journal | Polymer Journal |
| DOIs | |
| Publication status | Accepted/In press - Jan 1 2019 |
Fingerprint
All Science Journal Classification (ASJC) codes
- Polymers and Plastics
- Materials Chemistry
Cite this
A liquid-crystalline semiconducting polymer based on thienylene–vinylene–thienylene : Enhanced hole mobilities by mesomorphic molecular ordering and thermoplastic shape-deformable characteristics. / Mori, Tatsuya; Komiyama, Hideaki; Ichikawa, Takahiro; Yasuda, Takuma.
In: Polymer Journal, 01.01.2019.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - A liquid-crystalline semiconducting polymer based on thienylene–vinylene–thienylene
T2 - Enhanced hole mobilities by mesomorphic molecular ordering and thermoplastic shape-deformable characteristics
AU - Mori, Tatsuya
AU - Komiyama, Hideaki
AU - Ichikawa, Takahiro
AU - Yasuda, Takuma
PY - 2019/1/1
Y1 - 2019/1/1
N2 - Liquid-crystalline (LC) π-conjugated polymers are an emerging class of semiconducting materials owing to their promising performance in organic field-effect transistors (OFETs). Little is known, however, about the relationship between LC nature and charge carrier mobility. In this paper, we focus on a thiophene-based p-type semiconducting polymer, PC12TV12T, containing thienylene–vinylene–thienylene (TVT) units, and report a systematic investigation of its thermotropic LC properties, self-organized structures in bulk and thin films, as well as charge transport properties in OFETs. We found that thermal annealing at LC temperatures (99–170 °C) strongly enhanced OFET performance, leading to field-effect hole mobilities as high as 0.37 cm2 V−1 s−1, comparable to that of amorphous silicon. By virtue of its thermoplasticity, the TVT-based polymer can also be processed into fine semiconducting microfibers, which can even function as a p-type active channel for charge transport. This bottom-up technology utilizing the LC nature enables cost-effective and energy-efficient manufacture of optoelectronic devices.
AB - Liquid-crystalline (LC) π-conjugated polymers are an emerging class of semiconducting materials owing to their promising performance in organic field-effect transistors (OFETs). Little is known, however, about the relationship between LC nature and charge carrier mobility. In this paper, we focus on a thiophene-based p-type semiconducting polymer, PC12TV12T, containing thienylene–vinylene–thienylene (TVT) units, and report a systematic investigation of its thermotropic LC properties, self-organized structures in bulk and thin films, as well as charge transport properties in OFETs. We found that thermal annealing at LC temperatures (99–170 °C) strongly enhanced OFET performance, leading to field-effect hole mobilities as high as 0.37 cm2 V−1 s−1, comparable to that of amorphous silicon. By virtue of its thermoplasticity, the TVT-based polymer can also be processed into fine semiconducting microfibers, which can even function as a p-type active channel for charge transport. This bottom-up technology utilizing the LC nature enables cost-effective and energy-efficient manufacture of optoelectronic devices.
UR - http://www.scopus.com/inward/record.url?scp=85074651854&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85074651854&partnerID=8YFLogxK
U2 - 10.1038/s41428-019-0282-4
DO - 10.1038/s41428-019-0282-4
M3 - Article
AN - SCOPUS:85074651854
JO - Polymer Journal
JF - Polymer Journal
SN - 0032-3896
ER -