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Thin Films of Highly Planar Semiconductor Polymers Exhibiting Band-like Transport at Room Temperature

Authors
Lee, JiyoulChung, Jong WonKim, Do HwanLee, Bang-LinPark, Ieong-IlLee, SangyoonHaeusermann, RogerBatlogg, BertramLee, Sang-SooChoi, InsilKim, Il WonKang, Moon Sung
Issue Date
1-7월-2015
Publisher
AMER CHEMICAL SOC
Citation
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, v.137, no.25, pp.7990 - 7993
Indexed
SCIE
SCOPUS
Journal Title
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume
137
Number
25
Start Page
7990
End Page
7993
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/93044
DOI
10.1021/jacs.5b04253
ISSN
0002-7863
Abstract
We report the observation of band-like transport from printed polymer thin films at room temperature. This was achieved from donor-acceptor type thiophene-thiazole copolymer that was carefully designed to enhance the planarity of the backbone and the resulting transfer integral between the macromolecules. Due to the strong molecular interaction, the printed polymer film exhibited extremely low trap density comparable to that of molecular single crystals. Moreover, the energy barrier height for charge transport could be readily reduced with the aid of electric field, which led formation of extended electron states for band-like charge transport at room temperature.
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Graduate School > KU-KIST Graduate School of Converging Science and Technology > 1. Journal Articles

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