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Utilize este identificador para citar ou criar um link para este item: http://acervodigital.unesp.br/handle/11449/40818
Título: 
Optically anisotropic and photoconducting Langmuir-Blodgett films of neat poly(3-hexylthiophene)
Autor(es): 
Instituição: 
  • Universidade Estadual Paulista (UNESP)
  • Inst Fis São Carlos
ISSN: 
0040-6090
Financiador: 
  • Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
  • Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
  • Laboratório Nacional de Luz Síncrotron (LNLS)
Número do financiamento: 
LNLS (Brazil): LMF 11325
Resumo: 
Among the several types of conjugated polymers used in recent investigations, polythiophene and its derivatives have attracted considerable attention over the past 20 years due to their high mobility and other remarkable solid-state properties. They have potential applications in many fields, such as microelectronic devices, catalysts, organic field-effect transistors, chemical sensors and biosensors. There are two critical parameters that determine the polymer-based device performance: chemical structure and nanostructure of the conjugated polymer in solid state. Langmuir-Blodgett (LB) films may be an interesting alternative for producing the films used in the devices since they can be obtained with high degree of thickness control, low number of defects, and some degree of organization at the molecular scale. However, most of the polythiophene derivatives have poor film forming properties by LB method and need the use of film form aiding materials. In this work, we report on the fabrication and characterization of Langmuir and Langmuir-Blodgett films of neat poly(3-hexylthiophene). Although the LB technique is not suitable to obtain LB films with a great number of layers, good quality films, with thicknesses suitable for fabrication of opto-eletronic devices could be easily built by using the proper deposition conditions. (C) 2011 Elsevier B.V. All rights reserved.
Data de publicação: 
1-Jan-2012
Citação: 
Thin Solid Films. Lausanne: Elsevier B.V. Sa, v. 520, n. 6, p. 2208-2210, 2012.
Duração: 
2208-2210
Publicador: 
Elsevier B.V. Sa
Palavras-chaves: 
  • Langmuir-Blodgett films
  • Polythiophenes
  • Photoconductivity
Fonte: 
http://dx.doi.org/10.1016/j.tsf.2011.10.032
Endereço permanente: 
Direitos de acesso: 
Acesso restrito
Tipo: 
outro
Fonte completa:
http://repositorio.unesp.br/handle/11449/40818
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