Influence of MWCNTs Doping on the Structure and Properties of PEDOT:PSS Films | Zendy

Jiao Li | Zendy; Juncheng Liu | Zendy; Congjie Gao | Zendy; Jinling Zhang | Zendy; Hanbin Sun | Zendy

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Influence of MWCNTs Doping on the Structure and Properties of PEDOT:PSS Films

Author(s) -

Jiao Li,

Juncheng Liu,

Congjie Gao,

Jinling Zhang,

Hanbin Sun

Publication year - 2009

Publication title -

international journal of photoenergy

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.426

H-Index - 51

eISSN - 1687-529X

pISSN - 1110-662X

DOI - 10.1155/2009/650509

Subject(s) - pedot:pss , doping , materials science , chemical engineering , nanotechnology , composite material , optoelectronics , polymer , engineering

Poly(3,4-ethylenedioxythiophene):poly(4-styrenesulfonate) (PEDOT:PSS) doped with multi-walled carbon nanotubes (MWCNTs) films is fabricated on quartz substrates by spin coating method. The effects of MWCNTs on the structure and properties of PEDOT:PSS film have been investigated. X-ray diffractometer (XRD) and Fourier transform Raman spectroscopy (FTRM) show that the crystallization behavior and the main chain of PEDOT:PSS are not changed. Atomic force microscopy (AFM) shows that individual nanotubes are well dispersed in the PEDOT:PSS matrix. Moreover, some nanotubes overlap into a net-like structure, forming new conductive channels, which can enhance efficiently the film conductivity. The conductivity of PEDOT:PSS film doped with a lower percentage of MWCNTs (0.2 wt%) is 9.16 S/cm, higher than that of pure PEDOT:PSS film (0.28 S/cm), although the optical transmission of PEDOT:PSS decreases a little after the addition of MWCNTs. The interaction between MWCNTs and PEDOT:PSS during melt mixing is also given a possible explanation

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