| 학회 |
한국화학공학회 |
| 학술대회 |
2018년 봄 (04/25 ~ 04/27, 창원컨벤션센터) |
| 권호 |
24권 1호, p.228 |
| 발표분야 |
미립자공학 |
| 제목 |
Thienoisoindigo -Based Semiconductor Nanowires Assembled with 2-Bromobenzaldehyde via Both Halogen and Chalcogen Bondings and Their Application to Organic Field-Effect Transistors |
| 초록 |
We fabricated nanowires of a conjugated oligomer and applied them to organic field-effect transistors (OFETs). The supramolecular assemblies of a thienoisoindigo-based small molecular organic semiconductor (TIIG-Bz) were prepared by co-crystallization with 2-bromobenzaldehyde (2-BBA) via a combination of halogen bonding (XB) between bromide in 2-BBA and electron-donor groups in TIIG and chalcogen bonding (CB) between aldehyde in 2BBA and sulfur in TIIG-Bz. It was found that 2-BBA could be incorporated into the conjugated planes of TIIG-Bz through XB and CB pairs, thereby enlarging π-π stacking area between the conjugated planes. As a result, the driving force for one dimensional growth of the supramolecular assemblies was significantly enhanced. TIIG-Bz/2-BBA nanowires could be applied to fabricate OFETs that presented significantly enhanced charge transfer mobility in comparison to OFETs based on TIIG-Bz thin films and TIIG-Bz-only nanowires, suggesting the usefulness of nanowire fabrications simultaneously employing both XB and CB. |
| 저자 |
노주란1, 정성우2, 구동건1, 김경식2, 신태주2, 최경순3, 양창덕2, 박주현1
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| 소속 |
1중앙대, 2UNIST, 3KBSI |
| 키워드 |
미립자 |
| E-Mail |
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| 원문파일 |
초록 보기 |
