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作者：Wei Shao, Huanli Dong, Zhigang Wang* & Wenping Hu*
關鍵字：有機場效應晶體管，聚合物，玻璃化轉變，鏈運動
論文來源：期刊
具體來源：Sci. Rep. 2014， 4, 6387.
發表時間：2014年
Touching polymer chains by organic field-effect transistors
Wei Shao1,4, Huanli Dong1, Zhigang Wang2* & Wenping Hu1,3*

1Beijing National Laboratory for Molecular Sciences, Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China, 2Department of Polymer Science and Engineering, Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology ofChina, Hefei, Anhui 230026, China, 3Department of Chemistry, School of Science, Tianjin University and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China, 4Samsung R&D Institute China - Beijing (SRC-Beijing), Beijing 100028, China.

Sci. Rep. 4, 6387; DOI:10.1038/srep06387 (2014).

http://www.nature.com/srep/2014/140917/srep06387/full/srep06387.html

祝賀邵偉博士！

該工作與胡文平教授課題組進行了長期的合作 （2005年-2014年），長達十年之久。該思路自2005年在中科院化學所提出，并曾于2005年在基金委化學部申請國家自然科學基金項目（遺憾，未獲得批準），但是堅持由課題組的趙軍釵博士，段小麗博士和邵偉博士先后與胡文平教授課題組進行了艱苦的摸索和反復的實驗，在2006年初取得了初步的成功，在2007年底-2008年初完成了基本的原位測試工作。這是一篇Science的工作！

Organic field-effect transistors (OFETs) are used to directly “touch” the movement and dynamics of polymer chains, and then determine T_g. As a molecular-level probe, the conducting channel of OFETs exhibits several unique advantages: 1) it directly detects the motion and dynamics of polymer chain at T_g; 2) it allows the measurement of size effects in ultrathin polymer films (even down to 6 nm), which bridges the gap in understanding effects between surface and interface. This facile and reliable determination of T_g of polymer films and the understanding of polymer chain dynamics guide a new prospect for OFETs besides their applications in organic electronics and casting new light on the fundamental understanding of the nature of polymer chain dynamics.