Journal
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
Volume 456, Issue -, Pages 153-159Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.colsurfa.2014.05.030
Keywords
Hydrogen bonding; Layer-by-layer; Rhodamine; Adsorption; Release
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Funding
- National Natural Science Foundation of China (NSFC) [51103022, 51373032]
- Science and Technology Commission of Shanghai Municipality (STCSM, Pujiang Talent Plan) [12PJ1400100]
- Innovation Program of Shanghai Municipal Education Commission
- Fundamental Research Funds for the Central University [2232013A3-01]
- DHU Distinguished Young Professor Program
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The hydrogen-bonded poly(vinylpyrrolidone)/poly(acrylic acid) (PVPON/PAA) thin films were prepared by the step-wise interfacial complexation, i.e. layer-by-layer assembly process. Rhodamine B (RB), was utilized as mode compounds to investigate the pH and the temperature effect on the loading and releasing behavior of the hydrogen-bonded thin film. The releasing shows reverse trend compared with the loading. In the pH region from 0.7 to 4.5, as pH value increases the loading content becomes high while the releasing become slow. As temperature increased from 10 to 90, the RB loading slows down while the releasing accelerates. (C) 2014 Elsevier B.V. All rights reserved.
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