Journal Title
Title of Journal: Front Mater Sci China
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Abbravation: Frontiers of Materials Science in China
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Publisher
SP Higher Education Press
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Authors: EnRong Li QianJun Zhang Wei Wang QingWen Zhu Long Ba
Publish Date: 2010/01/27
Volume: 4, Issue: 1, Pages: 52-56
Abstract
Mesoporous silica nanospheres MSNs with regular pores have been fabricated using cetyltrimethylammonium bromide CTAB as surfactant in high pH solution The average size of the MCM41 silica nanospheres was reduced from 95 to 48 nm while the concentration of CTAB increases from 77 to 115 mmol/L Carbon black was deposited on MSNs using hexane as the carbon source By mixing such materials with silicone rubber the composites become conducting when equivalent carbon volume fraction is higher than a certain region which is less sensitive to the morphology of the deposited carbon The improved piezoresistance repeatability has been found on the composite sample of MSNs/carbon plus extra high conducting carbon black The load and strain sensitive range up to 035 MPa and 010 respectively with less resistance fluctuation during multiple press loading cycles
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