Effect of selective nanopatterns on the performance of a pentacene-based thin-film transistor
- Authors
- Yu, Chang-Jae; Lee, You-Jin; Choi, Jong Sun; Kim, Jae-Hoon
- Issue Date
- Jun-2011
- Publisher
- AMER INST PHYSICS
- Citation
- APPLIED PHYSICS LETTERS, v.98, no.24, pp.1 - 3
- Indexed
- SCIE
SCOPUS
- Journal Title
- APPLIED PHYSICS LETTERS
- Volume
- 98
- Number
- 24
- Start Page
- 1
- End Page
- 3
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/168340
- DOI
- 10.1063/1.3598422
- ISSN
- 0003-6951
- Abstract
- We investigate an effect of selective nanopatterns on the performances of a pentacene-based organic thin-film transistor (OTFT) in a top contact configuration. The one-dimensional nanopatterns onto an insulating layer are selectively formed at the channel and/or the source/drain (S/D) regions using the electron-beam lithography. The performance of the S/D-patterned OTFT was greater than that of the patternless OTFT while the performance of the channel-patterned OTFT was rather less. From Fowler-Nordheim analysis, it is found that the mobility improvement in the nanopatterned OTFTs is mainly originated from the enhanced carrier injection by the nanopatterns at the S/D regions rather than the enhancement of the current flow in the channel region.
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