拉曼光谱
纳米孔
氢键
分子
吸附
化学物理
化学
基质(水族馆)
结晶学
物理化学
有机化学
光学
海洋学
物理
地质学
作者
Vincenza Crupi,S. Interdonato,Francesca Longo,Domenico Majolino,P. Migliardo,Valentina Venuti
摘要
Abstract Water adsorbed in nanoporous silica glass has been investigated by Raman spectroscopy. The analysis was performed as a function of temperature (from + 5 to + 75 °C), pore diameter (25 and 75 Å) and by changing the nature of the substrate (from hydrophilic to hydrophobic) in order to understand the role played on the dynamic peculiarities of water arrangements both by the bare geometrical confinement and the specific interaction with surface. The experimental spectra, collected in the intra‐molecular OH stretching vibrational region, have been decomposed into a sum of sub‐bands, representing water molecule arrangements with different types of hydrogen bonding. Hence, we gave a quantitative picture of the temperature and confinement effects on the connectivity pattern. Copyright © 2007 John Wiley & Sons, Ltd.
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