Abstract
Meso-porous SnO2 fibers were synthesized using a solvothermal method with metaplexis fruit as the bio-template. The products were characterized by powder X-ray diffraction, high resolution scanning electron microscopy, transmission electron microscopy and nitrogen adsorption/desorption measurements. Results show that SnO2 fibers present a high specific surface area of 73.665m2/g and a meso-porous structure with the pore size of 7.821nm, and the crystal size of SnO2 is about 6.5 ± 0.5nm. The gas sensing performance of the prepared SnO2 fibers toward several volatile organic compounds was investigated. The results show that the meso-porous SnO2 fibers were highly sensitive and selective to n-butanol.
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