Journal
RSC ADVANCES
Volume 4, Issue 6, Pages 2807-2812Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ra45339a
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Funding
- Natural Science Foundation Committee (NSFC) [51103053]
- Doctoral Fund of Ministry of Education of China [20110061120053]
- Progam from Changjiang Scholar and Innovation Research Team of Jilin University [IRT1017]
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One-dimensional MCM-48 mesoporous silica materials were successfully synthesized by a colloid electrospinning method combined with subsequent heat treatment. The structures were characterized by X-ray diffraction, scanning electron microscopy, transmission electron microscopy and N-2 adsorption-desorption. The results revealed that the fibers were made up of MCM-48 mesoporous silica nanoparticles with diameters of 100-150 nm. The fibers kept the 3D ordered mesoporous structure of MCM-48 nanoparticles. The humidity sensors based on the as-synthetized materials exhibited good linearity, small hysteresis and rapid response-recovery time. The possible mechanism of the difference in humidity sensing performance was discussed through the complex impedance plots.
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