期刊
JOURNAL OF COLLOID AND INTERFACE SCIENCE
卷 431, 期 -, 页码 17-23出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2014.06.024
关键词
In situ immobilization; Nanoporous polymer scaffold; NPs-based sensing device
资金
- NSFC [61376123]
- China Postdoctoral Science Foundation [20110490156]
Reported here is in situ immobilization of tin dioxide (SnO2) nanoparticles (NPs) within nanoporous polymer scaffolds for the development of monolithic humidity sensing devices. Through solvothermal polymerization of divinylbenzene (DVB) monomers in the interspaces of SnO2 fine powders, SnO2 NPs could be homogeneously immobilized in polymer matrices, forming a novel composite material. Immobilization of SnO2 NPs in nanoporous polymer matrices not only simplifies the fabrication process of NPsbased sensing devices, but also improves their adsorptive properties. The resultant nanoporous polymer/SnO2 NPs composites with adjustable SnO2 contents possess high BET surface areas, large pore sizes and pore volumes, thus they exhibit high adsorptive capacities for H2O vapor. As a general approach to NPs/nanoporous polymer composites, this work may open up a new way to nanomaterial-based sensing devices that features enhanced adsorptive property. (C) 2014 Elsevier Inc. All rights reserved.
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