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为您找到包含“聚噻吩纳米纤维”的内容共2

JIANG Haidong,GUO Xiaoqun,BI Kedong

Polythiophene(Pth) is easy to be modified, and holds others unique properties, including that, the degree of polymerization can be controlled, and the nanofibers prepared under special conditions are stronger than aluminum. As a new type of polymer material, polythiophene is the main material for organic semiconductors, electrode materials and sensors. But the mechanical failure of polythiophene materials may lead to the malfunction or even failure of the entire device. However, related researches on the mechanical properties of Pth are mainly concentrated on bulks or films. None of these research has been done on the mechanical properties of single Pth nanofibers. In this thesis, the mechanical properties of Pth nanofibers were experimentally studied and analyzed. For example, the adhesion properties of Pth nanofibers were studied and analyzed. The adhesion between the same probe and Pth nanofibers in the diameter range of 85-180nm was systematically tested by atomic force microscopy. The test results demonstrated that the average adhesion between the Pth nanofibers with the length range of 8-23μm and the AFM probe was 107.02±7.06 nN. After comparing the adhesion test results between the same AFM probes and different nanofibers such as Pth nanofibers, PVDF nanofibers and silver nanowires, it was found that the adhesion between Pth nanofibers and the AFM probe was stronger than that of the others.

2019-05-21

Natural Science Foundation of China (51728501

Jiangsu Key Laboratory for Design and Manufacture of Micro-Nano Biomedical Instruments, Southeast University;School of Mechanical Engineering, Southeast University,The Middle School of Jishui, Jiangxi Province,Jiangsu Key Laboratory for Design and Manufacture of Micro-Nano Biomedical Instruments, Southeast University;School of Mechanical Engineering, Southeast University

#Materials Science#

JIANG Haidong,BI Kedong

The study of polythiophene gradually has become more and more extensive,polythiophene and its derivatives become the main material of electrode materials, organic semiconductors, and sensors. Polythiophene occupies an important position in the study of conductive polymers. In this paper,highly ordered polythiophene(Pth) nanofibers array were prepared from thiophene monomer using electrochemical three-electrode template method, by porous anodic aluminum oxide (AAO) template. the nanomaterials prepared by the template method of electrochemical three-electrode synthesis hold good orientation and its growth can be controllable. The prepared nanowires were separated by a tungsten probe using a micromanipulator. The single polythiophene nanofibers were obtained and characterized by Raman spectroscopy, scanning electron microscopy (SEM), and transmission electron microscopy (TEM). These data measured in our experiment provide a reference basis for mechanical properties and applied research on single polythiophene nanofibers.

2019-03-19

Natural Science Foundation of China (51575109

Natural Science Foundation of Jiangsu Province (BK20160072

Jiangsu Key Laboratory for Design and Manufacture of Micro-Nano Biomedical Instruments, School of Mechanical Engineering, Southeast University,Jiangsu Key Laboratory for Design and Manufacture of Micro-Nano Biomedical Instruments, School of Mechanical Engineering, Southeast University

#Materials Science#