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Polymer-Initiated Photogeneration of Silver Nanoparticles in SPEEK/PVA Films: Direct Metal Photopatterning
Cross-linking of sulfonated poly(ether−ether)ketone−poly(vinyl alcohol) (SPEEK−PVA) materials yields flexible polymer films, possessing high light-sensitivity and ion-exchange capabilities. Adsorbed Ag+ ions are photoreduced in the film under illumination (λ = 350 nm), leading to metal nanoparticle...
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Published in: | Journal of the American Chemical Society 2004-01, Vol.126 (1), p.10-11 |
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Main Authors: | , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | Cross-linking of sulfonated poly(ether−ether)ketone−poly(vinyl alcohol) (SPEEK−PVA) materials yields flexible polymer films, possessing high light-sensitivity and ion-exchange capabilities. Adsorbed Ag+ ions are photoreduced in the film under illumination (λ = 350 nm), leading to metal nanoparticle formation in places where the film has been exposed to the light. Nanoparticles form via reduction of Ag+ by the polymeric alcohol radicals, generated in the system as a result of photochemical H-abstraction from PVA molecules by the excited carbonyl triplet state of SPEEK. Use of the films for direct metal photopatterning is demonstrated. |
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ISSN: | 0002-7863 1520-5126 |
DOI: | 10.1021/ja037933q |