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Titolo:
Selective observation of boundary water near a solid/water interface by variable-angle polarization specific attenuated total reflection infrared spectroscopy and principal-component analysis
Autore:
Hasegawa, T; Nishijo, J; Imae, T; Huo, Q; Leblanc, RM;
Indirizzi:
Kobe Pharmaceut Univ, Higashinada Ku, Kobe, Hyogo 6588558, Japan Kobe Pharmaceut Univ Kobe Hyogo Japan 6588558 Kobe, Hyogo 6588558, Japan Nagoya Univ, Res Ctr Mat Sci, Chikusa Ku, Nagoya, Aichi 4648602, Japan Nagoya Univ Nagoya Aichi Japan 4648602 a Ku, Nagoya, Aichi 4648602, Japan Univ Miami, Dept Chem, Coral Gables, FL 33124 USA Univ Miami Coral GablesFL USA 33124 ept Chem, Coral Gables, FL 33124 USA
Titolo Testata:
JOURNAL OF PHYSICAL CHEMISTRY B
fascicolo: 48, volume: 105, anno: 2001,
pagine: 12056 - 12060
SICI:
1520-6106(200112)105:48<12056:SOOBWN>2.0.ZU;2-L
Fonte:
ISI
Lingua:
ENG
Soggetto:
MOLECULAR-DYNAMICS SIMULATION; ABSORPTION SPECTROSCOPY; LIQUID WATER; MONTE-CARLO; SURFACE; ADSORPTION; SPECTRA; WALLS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
28
Recensione:
Indirizzi per estratti:
Indirizzo: Leblanc, RM Kobe Pharmaceut Univ, Higashinada Ku, Motoyamakita, Kobe, Hyogo 6588558, Japan Kobe Pharmaceut Univ Motoyamakita Kobe Hyogo Japan 6588558pan
Citazione:
T. Hasegawa et al., "Selective observation of boundary water near a solid/water interface by variable-angle polarization specific attenuated total reflection infrared spectroscopy and principal-component analysis", J PHYS CH B, 105(48), 2001, pp. 12056-12060

Abstract

An infrared spectrum of the boundary water near a solid/water interface has been observed, which is distinguished from the bulk water using a novel analytical technique. The technique employs the variable-angle polarization specific (VAPS) attenuated total reflection (ATR) infrared spectrometry anda characteristic of principal component analysis (PCA). To date, near-field optical techniques or artificial polycrystalline water thin-layer formation technique have been used to study the structure of boundary-water molecules below the limitations of spatial resolution. Here, however, we show that the combination technique of VAPS-ATR and PCA analytically overcomes the difficulty of spatial resolution and detection limit, so that we selectively observe the boundary water. The orientation of the boundary-water Molecules has been evaluated using the resolved infrared spectra obtained as the PCA loadings. In addition, it was also suggested that there was an intermediate layer between the boundary water layer and bulk water.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 26/09/20 alle ore 12:05:52