Please use this identifier to cite or link to this item: https://doi.org/10.1116/1.1399319
Title: In situ x-ray photoelectron spectroscopy study of evaporated magnesium on chemically synthesized polypyrrole films
Authors: Lim, V.W.L.
Kang, E.T. 
Neoh, K.G. 
Huang, W. 
Issue Date: Sep-2001
Source: Lim, V.W.L.,Kang, E.T.,Neoh, K.G.,Huang, W. (2001-09). In situ x-ray photoelectron spectroscopy study of evaporated magnesium on chemically synthesized polypyrrole films. Journal of Vacuum Science and Technology, Part A: Vacuum, Surfaces and Films 19 (5) : 2680-2688. ScholarBank@NUS Repository. https://doi.org/10.1116/1.1399319
Abstract: The physiochemical changes occuring in interactions of thermally evaporated magnesium atoms with chemically synthesized polypyrrole films were analyzed using X-ray photoelectron spectroscopy. The spectrum analysis revealed that the magnesium stoms reacted with the dopant to form a salt. The increase in the intrinsic oxidation state of the films was due to undoping process. It was observed that the surface oxygen concentration increased with Mg coverage due to diffusion of bulk adsorbed oxygen to the surface. Results indicated that compounds such as magnesium-dopant salts, magnesium oxides, and magnesium cluster were formed on the interfacial layer.
Source Title: Journal of Vacuum Science and Technology, Part A: Vacuum, Surfaces and Films
URI: http://scholarbank.nus.edu.sg/handle/10635/52663
ISSN: 07342101
DOI: 10.1116/1.1399319
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