Growth of Long Triisopropylsilylethynyl Pentacene (TIPS-PEN) Nanofibrils in a Polymer Thin Film During Spin-Coating
- Authors
- Park, M; Min, Y; Lee, YJ; Jeong, U
- Issue Date
- Mar-2014
- Publisher
- WILEY-V C H VERLAG GMBH
- Citation
- MACROMOLECULAR RAPID COMMUNICATIONS, v.35, no.6, pp 655 - 660
- Pages
- 6
- Journal Title
- MACROMOLECULAR RAPID COMMUNICATIONS
- Volume
- 35
- Number
- 6
- Start Page
- 655
- End Page
- 660
- URI
- https://scholarworks.sookmyung.ac.kr/handle/2020.sw.sookmyung/147342
- DOI
- 10.1002/marc.201300837
- ISSN
- 1022-1336
1521-3927
- Abstract
- This study demonstrates the growth of long triisopropylsilyethynyl pentacene (TIPS-PEN) nanofibrils in a thin film of a crystalline polymer, poly(epsilon-caprolactone) (PCL). During spin-coating, TIPS-PEN molecules are locally extracted around the PCL grain boundaries and they crystallize into [010] direction forming long nanofibrils. Molecular weight of PCL and weight fraction () of TIPS-PEN in PCL matrix are key factors to the growth of nanofibrils. Long high-quality TIPS-PEN nanofibrils are obtained with high-molecular-weight PCL and at the values in the range of 0.03-0.1. The long nanofibrils are used as an active layer in a field-effect organic transistor. <boxed-text content-type=graphic position=anchor> <graphic xmlns:xlink=http://www.w3.org/1999/xlink xlink:href=urn:x-wiley:10221336:media:marc201300837:marc201300837-abs-0001>image</graphic
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