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Environmental and operational stability of solution-processed 6,13-bis(triisopropyl-silylethynyl) pentacene thin film transistors
- Issue Date
- May-2009
- Publisher
- ELSEVIER
- Keywords
- Organic thin film transistor; Printed electronics; Stability
- Citation
- ORGANIC ELECTRONICS, v.10, no.3, pp 486 - 490
- Pages
- 5
- Journal Title
- ORGANIC ELECTRONICS
- Volume
- 10
- Number
- 3
- Start Page
- 486
- End Page
- 490
- ISSN
- 1566-1199
1878-5530
- Abstract
- We report operational and environmental stability of solution-processed organic thin film transistors (OTFTs) using the small molecule organic semiconductor 6,13-bis(triisopropylsilylethynyl) pentacene (TIPS-pentacene). Typical drop-cast TIPS-pentacene OTFTs show strong molecular ordering and relatively stable characteristics with air and illumination compared to vapor-deposited pentacene OTFTs. For short channel length devices, TIPS-pentacene OTFTs undergo significant degradation with bias-stress, possibly due to operation at large drive currents and large local power dissipation as well as built-in charges in the channel area. (C) 2009 Elsevier B.V. All rights reserved.
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