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Open AccessArticle

320-nm Flexible Solution-Processed 2,7-dioctyl[1] benzothieno[3,2-b]benzothiophene Transistors

Centre for Advanced Optoelectronic Functional Materials Research and Key Laboratory of UV-Emitting Materials and Technology, Northeast Normal University, Ministry of Education, Changchun 130024, China
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Materials 2017, 10(8), 918; https://doi.org/10.3390/ma10080918
Received: 30 May 2017 / Revised: 18 July 2017 / Accepted: 2 August 2017 / Published: 9 August 2017
(This article belongs to the Special Issue Highly Ordered Organic Thin Films)
Flexible organic thin-film transistors (OTFTs) have received extensive attention due to their outstanding advantages such as light weight, low cost, flexibility, large-area fabrication, and compatibility with solution-processed techniques. However, compared with a rigid substrate, it still remains a challenge to obtain good device performance by directly depositing solution-processed organic semiconductors onto an ultrathin plastic substrate. In this work, ultrathin flexible OTFTs are successfully fabricated based on spin-coated 2,7-dioctyl[1]benzothieno[3,2-b]benzothiophene (C8-BTBT) films. The resulting device thickness is only ~320 nm, so the device has the ability to adhere well to a three-dimension curved surface. The ultrathin C8-BTBT OTFTs exhibit a mobility as high as 4.36 cm2 V−1 s−1 and an on/off current ratio of over 106. These results indicate the substantial promise of our ultrathin flexible C8-BTBT OTFTs for next-generation flexible and conformal electronic devices. View Full-Text
Keywords: organic thin-film transistors (OTFTs); ultrathin; flexible; conformal; solution-processed; 2,7-dioctyl[1]benzothieno[3,2-b]benzothiophene (C8-BTBT) organic thin-film transistors (OTFTs); ultrathin; flexible; conformal; solution-processed; 2,7-dioctyl[1]benzothieno[3,2-b]benzothiophene (C8-BTBT)
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MDPI and ACS Style

Ren, H.; Tang, Q.; Tong, Y.; Liu, Y. 320-nm Flexible Solution-Processed 2,7-dioctyl[1] benzothieno[3,2-b]benzothiophene Transistors. Materials 2017, 10, 918. https://doi.org/10.3390/ma10080918

AMA Style

Ren H, Tang Q, Tong Y, Liu Y. 320-nm Flexible Solution-Processed 2,7-dioctyl[1] benzothieno[3,2-b]benzothiophene Transistors. Materials. 2017; 10(8):918. https://doi.org/10.3390/ma10080918

Chicago/Turabian Style

Ren, Hang; Tang, Qingxin; Tong, Yanhong; Liu, Yichun. 2017. "320-nm Flexible Solution-Processed 2,7-dioctyl[1] benzothieno[3,2-b]benzothiophene Transistors" Materials 10, no. 8: 918. https://doi.org/10.3390/ma10080918

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