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Title: | Electrorheological properties of new mesoporous material with conducting polypyrrole in mesoporous silica | ||||||||||
Author: | Cheng, Qilin; Pavlínek, Vladimír; Lengálová, Anežka; Li, Chunzhong; Belza, Tomáš; Sáha, Petr | ||||||||||
Document type: | Peer-reviewed article (English) | ||||||||||
Source document: | Microporous and Mesoporous Materials. 2006, vol. 94, issue 1-3, p. 193-199 | ||||||||||
ISSN: | 1387-1811 (Sherpa/RoMEO, JCR) | ||||||||||
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DOI: | https://doi.org/10.1016/j.micromeso.2006.03.039 | ||||||||||
Abstract: | In this study, a new mesoporous material with semiconducting polypyrrole (PPy) encapsulated in the channels of mesoporous silica (MCM-41) was synthesized and used as dispersed phase for electrorheological (ER) fluids. Rheological and dielectric properties of PPy-MCM-41 based suspensions were investigated with the conclusion that PPy-MCM-41 fluid exhibits better ER behavior than that without PPy. Furthermore, the dielectric spectra indicate that encapsulated PPy increases the interfacial polarizability of mesoporous material and induces a higher ER effect. | ||||||||||
Full text: | https://www.sciencedirect.com/science/article/pii/S1387181106001314 | ||||||||||
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