SENSING APPARATUS OF SNO2 NANOWIRE COATED LA AND FABRICATING METHOD THEREOF

摘要

SnO ₂ nanowire sensor manufacturing method according to the present invention, this La is the coated nanowires growing a SnO ₂ layer by thermal evaporation onto the substrate; Providing a 0.01 to 1.2M La (NO ₃₎₃ aqueous solution of 0.001 to 10 ml with La source on the SnO ₂ layer nanowire to the SnO ₂ layer nanowire; And a step for applying heat treatment for 30 minutes to 90 minutes the addition of the SnO ₂ layer nanowire La source at 500 ℃ to 700 ℃, characterized in that gaseous ethanol with improved selectivity. ; The La-coated nanowires SnO ₂ sensor according to the present invention for solving the technical problem is characterized in that it is formed by the aforementioned production method. ; Of the La according to the invention coated SnO ₂ nanowire sensor SnO ₂ nanowire added with La of the present invention prepared by coating the La on SnO ₂ nanowires grown by thermal deposition sensor propane, carbon monoxide, hydrogen, and nitrogen and improving the alcohol selectivity to oxide, the effect of the rapid reaction.