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dc.contributor.authorBao, Qiaoliangen
dc.contributor.authorLi, Junen
dc.contributor.authorLi, Chang Mingen
dc.contributor.authorDong, Zhilien
dc.contributor.authorLu, Zhisongen
dc.contributor.authorQin, Fangen
dc.contributor.authorGong, Chengen
dc.contributor.authorGuo, Junen
dc.identifier.citationBao, Q., Li, J., Li, C. M., Dong, Z. L., Lu, Z., Qin, F., & et al. (2008). Direct Observation and Analysis of Annealing-Induced Microstructure at Interface and Its Effect on Performance Improvement of Organic Thin Film Transistors. Journal of Physical Chemistry B, 112 (39), 12270–12278.en
dc.description.abstractFor the first time direct observation and analysis of microstructural variations of crystalline domains and grain boundaries at atomic scale in the buried interface of an organic semiconductor thin film of poly(2,6-bis(3-alkylthiophen-2-yl)dithieno[3,2-b;2′,3′-d]thiophene) (PBTDT), a new synthesized solution-processed polymer is achieved for demonstrating a different network nanostructure of crystalline nanofibers at the interface from the outside surface of the film observed. It is also discovered that structural variations of crystalline domains and grain boundaries at an atomic scale caused by annealing, which include larger domains with enhanced crystallinity, reduced π−π stacking distance, reduced disorders in the grain boundaries, and small tilt-angle boundaries well explain the significant performance improvement of the PBTDT based organic thin film transistor (OTFT) after anealing. This work provides a highly resolutioned image on the microstructures at an organic semiconducting interface for deep scientific insights of the OTFT performance improvement through microstructure optimization.en
dc.relation.ispartofseriesJournal of physical chemistry Ben
dc.rights© 2008 American Chemical Societyen
dc.subjectDRNTU::Engineering::Materials::Microelectronics and semiconductor materials::Thin filmsen
dc.titleDirect observation and analysis of annealing-induced microstructure at interface and its effect on performance improvement of organic thin film transistorsen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Materials Science and Engineeringen
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