期刊
JOURNAL OF COLLOID AND INTERFACE SCIENCE
卷 287, 期 2, 页码 664-670出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2005.02.036
关键词
contact angle; anodic porous alumina; ordered porous materials; polarity
The preparation of nanostructures using porous anodic aluminum oxide (AAO) as templates involves the introduction of dissolved materials into the pores of the membranes; one way to determine which materials are preferred to fill the pores involves the measurement of the contact angles (0) of different solvents or test liquids on the AAOs. Thus, we present measurements of contact angles of nine solvents on four different AAO sheets by tensiometric and goniometric methods. From the solvents tested, we found dimethyl sulfoxide (DMSO) and N,N'-dimethylformamide (DMF) to interact with the AAOs, the polarity of the solvents and the surfaces being the driving force. (c) 2005 Elsevier Inc. All rights reserved.
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