ISSN:
0142-2421
Keywords:
Chemistry
;
Polymer and Materials Science
Source:
Wiley InterScience Backfile Collection 1832-2000
Topics:
Physics
Notes:
The interaction between in situ evaporated aluminum and plyvinyl alcohol (PVA) polymer at 300 K was studied by XPS. The aluminum condenses on the PVA surface by a Volmer-Weber (clustering) mechanism; it takes about a 3.7 monolayer deposition to nucleate clusters sufficiently large to exhibit core binding energies characteristic of bulk metal. Changes in the lineshapes of the C 1s and O 1s peaks and the appearance of a shifted peak in the Al 2p region were interpreted in terms of Al interactions with the surface alcoholic group HC—OH, resulting in the formation of an interfacial organometallic complex exhibiting a stoichiometry of 1:1:1.5 for Al, C and O. Polar angle-resolved XPS measurements and differences in the attenuation factors of the signals from the complex show that the Al is on top and is closer to the oxygen atoms.
Additional Material:
7 Ill.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1002/sia.740150903
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