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Titolo:
Surface assisted intermolecular interactions in self-assembled coumarin submonolayers
Autore:
Krasnoslobodtsev, A; Smirnov, S;
Indirizzi:
New Mexico State Univ, Dept Chem & Biochem, Las Cruces, NM 88003 USA New Mexico State Univ Las Cruces NM USA 88003 m, Las Cruces, NM 88003 USA
Titolo Testata:
LANGMUIR
fascicolo: 24, volume: 17, anno: 2001,
pagine: 7593 - 7599
SICI:
0743-7463(20011127)17:24<7593:SAIIIS>2.0.ZU;2-9
Fonte:
ISI
Lingua:
ENG
Soggetto:
STATE DIPOLE-MOMENT; ALKYLSILOXANE MONOLAYERS; ELECTRON-TRANSFER; MOLECULAR WIRE; FILMS; DNA; SILICA; 7-AMINOCOUMARINS; ADSORPTION; DYNAMICS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
38
Recensione:
Indirizzi per estratti:
Indirizzo: Smirnov, S New Mexico State Univ, Dept Chem & Biochem, Las Cruces, NM 88003 USA New Mexico State Univ Las Cruces NM USA 88003 es, NM 88003 USA
Citazione:
A. Krasnoslobodtsev e S. Smirnov, "Surface assisted intermolecular interactions in self-assembled coumarin submonolayers", LANGMUIR, 17(24), 2001, pp. 7593-7599

Abstract

Spectroscopic characterization of chemically immobilized coumarin molecules on a silica surface at different concentrations and in a variety of solvents is presented. The characterization involves surface concentration and orientation of coumarin molecules with different linkers. Due to high surface concentration (up to 10(14) cm(-2)), the immobilized molecules exhibit intermolecular interactions, which compete with solvation. The molecular orientation with respect to the surface and intermolecular interaction varies with the solvent, the linker, and the surface concentration of coumarin, butas a first approximation the data can be simplified as nearly random molecule orientation with respect to the surface.

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Documento generato il 04/12/20 alle ore 19:00:10