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n-Type small aromatic core diimides flanked with electron donating thienylethyl moieties and electrical responses in organic devices

Title
n-Type small aromatic core diimides flanked with electron donating thienylethyl moieties and electrical responses in organic devices
Authors
Palai, AK[Palai, Akshaya Kumar]Kim, S[Kim, Sangwook]Shim, H[Shim, Hyunseok]Cho, S[Cho, Sungwoo]Kumar, A[Kumar, Amit]Kwon, J[Kwon, Jaehyuk]Park, SU[Park, Seung-Un]Pyo, S[Pyo, Seungmoon]
DGIST Authors
Cho, S[Cho, Sungwoo]
Issue Date
2014
Citation
RSC Advances, 4(78), 41476-41482
Type
Article
Article Type
Article
Keywords
Aromatic CoresElectrical ResponseElectron-DonatingOrganic Devices
ISSN
2046-2069
Abstract
We report n-type small aromatic core diimide derivatives functionalized with electron donating heteroaromatic ring bearing moieties, N,N′-bis[2-(2-thienyl)ethyl]-benzene-1,2,4,5-tetracarboxylic diimide and N,N′-bis[2-(2-thienyl)ethyl]-napthalene-1,4,5,8-tetracarboxylic diimide. The synthesis, and characterization of the newly synthesized diimide based organic semiconductors and electrical responses in electronic devices are investigated in detail. The structure, and electrochemical and optical properties of the diimide derivatives were determined using 1H NMR, 13C NMR, mass spectrometry, UV-visible spectroscopy and cyclic voltammetry. The electron density distribution of the materials was also studied using density functional theory calculations to relate the structure and device's characteristics. The materials were employed for the preparation of organic thin-film transistors with inorganic and polymeric gate dielectrics at various substrate temperatures, and the device's electrical characteristics have been analyzed in detail. We also further explore its applicability in advanced electronic devices by fabricating a resistance load-type organic inverter, and the dynamic response behavior was investigated. This journal is © the Partner Organisations 2014.
URI
http://hdl.handle.net/20.500.11750/3156
DOI
10.1039/c4ra06012a
Publisher
Royal Society of Chemistry
Files:
There are no files associated with this item.
Collection:
Center for Core Research Facilities1. Journal Articles


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