Structure of Friction-transferred Highly Oriented Poly(3-hexylthiophene) Thin Films

Li-guo Chai; Hai-xin Zhou; Xiao-li Sun; Hui-hui Li; Shou-ke Yan; Xiao-qiu Yang

doi:10.1007/s10118-016-1770-z

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Structure of Friction-transferred Highly Oriented Poly(3-hexylthiophene) Thin Films

Updated：2021-06-21

- Structure of Friction-transferred Highly Oriented Poly(3-hexylthiophene) Thin Films
- Chinese Journal of Polymer Science Vol. 34, Issue 4, Pages: 513-522(2016)
- Affiliations：
  
  a.State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
  b.Basic Research Service, MOST, Beijing 100862, China
- Author bio：
  
  **Shou-ke Yan (闫寿科), E-mail: skyan@mail.buct.edu.cn
- Funds：
- DOI：10.1007/s10118-016-1770-z
  CLC：
- Received：27 October 2015，
  
  Revised：2015-11-21，
  
  Accepted：13 December 2015，
  
  Published：2016-04
- Accepted：
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Li-guo Chai, Hai-xin Zhou, Xiao-li Sun, et al. Structure of Friction-transferred Highly Oriented Poly(3-hexylthiophene) Thin Films[J]. Chinese Journal of Polymer Science, 2016, 34(4): 513-522.
DOI：

Li-guo Chai, Hai-xin Zhou, Xiao-li Sun, et al. Structure of Friction-transferred Highly Oriented Poly(3-hexylthiophene) Thin Films[J]. Chinese Journal of Polymer Science, 2016, 34(4): 513-522. DOI： 10.1007/s10118-016-1770-z.

摘要

Abstract

Oriented thin films of P3HT were obtained by a friction-transfer technique. The morphology and structure of the film were studied by means of optical microscopy

atomic force microscopy and transmission electron microscopy. Optical microscopy observation indicates that large size well-ordered P3HT thin films can be produced by a friction-transfer technique. Highly ordered lamellae were observed in P3HT friction-transferred films by electron microscopy. Electron diffraction results confirm the existence of high orientation with the

- and

-axes of P3HT crystals aligned in the film plane while the

-axis parallel to the friction-transfer direction. The atomic force microscopy observation of the as-prepared P3HT thin film shows

however

a featureless top surface morphology

indicating the structure inhomogeneity of the obtained film. To get highly oriented P3HT thin films with homogenous structure

high temperature annealing

solvent vapor annealing and self-seeding recrystallization of the friction-transferred film were performed. It is confirmed that solvent vapor annealing and self-seeding recrystallization methods are efficient in improving the surface morphology and structure of the frictiontransferred P3HT thin film. Highly oriented P3HT films with unique structure can be obtained through friction-transfer with subsequent solvent vapor annealing and self-seeding recrystallization.

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