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Surface enhanced infrared absorption (SEIRA) spectroscopy using gold nanoparticles on As2S3 glass ArchiMer
Verger, F.; Pain, T.; Nazabal, V.; Boussard-pledel, C.; Bureau, Bruno; Colas, Florent; Rinnert, Emmanuel; Boukerma, Kada; Compere, Chantal; Guilloux-viry, M.; Deputier, S.; Perrin, A.; Guin, J. P..
The development of infrared sensing platform requires adapted materials. In this work, we used sputtered gold nanoparticles on a chalcogenide glass to demonstrate that these infrared materials can be used as substrate for surface enhanced infrared absorption (SEIRA) spectroscopy. The sputtering parameters were optimized to get the highest possible enhancement. To assess it, a self-assembled monolayer of 4-nitrothiophenol was used. These preliminary results are promising and pave the way for various configurations of waveguide for integrated optical components. (C) 2012 Elsevier B.V. All rights reserved.
Tipo: Text Palavras-chave: Chalcogenide glass; Sputtering; Gold nanoparticles; 4-Nitrothiophenol; SEIRA; Surface enhanced infrared absorption.
Ano: 2012 URL: http://archimer.ifremer.fr/doc/00116/22748/20613.pdf
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Suriname Freshwater Snails of the Genus Pomacea Naturalis
Geijskes, D.C.; Pain, T..
Of the three Guyanas on the north coast of South America, Suriname is the middle one, lying between French Guyana to the east and British Guyana to the west. The frontiers between these three countries are formed by the Marowijne River (Suriname — French Guyana) and the Courantyne River (Suriname — British Guyana). In general the Guyanas are much alike in geographical features — covered with tropical rain forest for the most part and with savannas and swamps for the rest. The freshwater molluscs live in the large rivers and the bush creeks in the hinterland, and in the swamps, canals and trenches in the more or less cultivated coastal plain.
Tipo: Article / Letter to the editor
Ano: 1957 URL: http://www.repository.naturalis.nl/record/506284
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