Member for gas sensor, having a metal oxide semiconductor tube wall with micropores and macropores, gas sensor, and method for manufacturing same
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United States of America Patent
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Apr 30, 2019
Grant Date -
Nov 17, 2016
app pub date -
Dec 15, 2015
filing date -
Dec 23, 2014
priority date (Note) -
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Abstract
Disclosed are a gas sensor member, a gas sensor using the same, and manufacturing methods thereof, and specifically, a gas sensor member using a one-dimensional porous metal oxide nanotube composite material having a double average pore distribution in which mesopores (0.1 nm to 50 nm) and macropores (50 nm to 300 nm) are simultaneously formed on the surface of a nanotube through decomposition of a spherical polymer sacrificial template and continuous crystallization and diffusion of a metal oxide and a nanoparticle catalyst embedded in an apoferritin is uniformly loaded in the inside and on the outer wall and inner wall of a one-dimensional metal oxide nanotube through a high-temperature heat treatment, a gas sensor using the same, and manufacturing methods thereof are disclosed.
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