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A high selective methanol gas sensor based on molecular imprinted Ag-LaFeO 3 fibers

Scientific reports, 2017-09, Vol.7 (1), p.12110 [Peer Reviewed Journal]

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Title:
A high selective methanol gas sensor based on molecular imprinted Ag-LaFeO 3 fibers
Author: Rong, Qian ; Zhang, Yumin ; Wang, Chao ; Zhu, Zhongqi ; Zhang, Jin ; Liu, Qingju
Is Part Of: Scientific reports, 2017-09, Vol.7 (1), p.12110
Description: Ag-LaFeO molecularly imprinted polymers (ALMIPs) were fabricated, which provided special recognition sites to methanol. Then ALMIPs fiber 1, fiber 2 and fiber 3 were prepared using filter paper, silk and carbon fibers template, respectively. Based on the observation of X-ray diffraction (XRD), scanning electron microscope (SEM), transmission electron microscope (TEM), and Nitrogen adsorption surface area analyzer (BET), the structure, morphology and surface area of the fibers were characterized. The ALMIPs fibers (fiber 1, fiber 2 and fiber 3) show excellent selectivity and good response to methanol. The responses to 5 ppm methanol and the optimal operating temperature of ALMIPs fibers are 23.5 and 175 °C (fiber 1), 19.67 and 125 °C (fiber 2), 17.59 and 125 °C (fiber 3), and a lower response (≤10, 3, 2) to other test gases including formaldehyde, acetone, ethanol, ammonia, gasoline and benzene was measured, respectively.
Publisher: England
Language: English
Identifier: EISSN: 2045-2322
PMID: 28935929
Source: PubMed Central (Open access)
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