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Structural Configurations of Thin Dried Polyaniline Films on Gold(111) from Scanning Tunneling Microscopy by M.E. Vela; J.L. Zubimendi; P. Ocón; P. Herrasti; R.C. Salvarezza; L. Vázquez; A.J. Arvia is a Engineering article available to read on EtoBox.
What is Structural Configurations of Thin Dried Polyaniline Films on Gold(111) from Scanning Tunneling Microscopy about?
The early stages of growth of polyaniline films electrodeposited on Au were studied by conventional electrochemical techniques, X-ray diffraction and ex situ scanning tunneling microscopy (STM). From high resolution STM imaging it appears that the first step of polyaniline formation involves the adsorption of aniline monomers on Au(ll1) terraces leading to domains with hexagonal arrays involving a phenyl-phenyl distance in the range 0.70nm < d < l.Onm. The second step corresponds to the initiation of the polymer growth yielding typically 10 x 10nm' crystalline domains consisting of either 0.45 x 0.6 nm\* rectangular arrays or 0.75 x 0.45 nm' arrays forming 120" angles. The crystalline domains coexist with highly disordered polymer domains. At advanced stages of growth, the formation of polymer fibers 2nm in average width takes place leading to a full substrate coverage by a polymer deposit with an irregular surface.
Who reads Structural Configurations of Thin Dried Polyaniline Films on Gold(111) from Scanning Tunneling Microscopy?
It is typically read by researchers, students, and practitioners in Engineering.
- Author
- M.E. Vela; J.L. Zubimendi; P. Ocón; P. Herrasti; R.C. Salvarezza; L. Vázquez; A.J. Arvia
- Publisher
- Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 0013-4686)
- Published
- 1996
- Language
- EN
- Field
- Engineering (Physical Sciences)