期刊
CHEMPHYSCHEM
卷 9, 期 18, 页码 2651-2659出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cphc.200800616
关键词
calorimetry; phase transitions; silica; thermodynamics; water structure
资金
- Deutsche Forschungsgemeinschaft [SFB 448]
In nanosized pores, liquid water can be thermodynamically stable down to temperatures well below the limit of homogeneous nucleation of bulk water (similar to 235 K). Studies of water in such pores therefore offer an opportunity to reveal the anomalous behavior of deeply supercooled water. Herein we focus on recent studies of the limits of freezing and melting of water in the cylindrical pores of ordered mesoporous silicas with pore diameters in the range of 2-10 nm, based on vapor sorption measurements, calorimetric studies, NMR spectroscopy and cryoporometry, and neutron diffraction studies.
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