Method for preparing photonic crystal fiber for light-catalyzed reaction

Abstract

The invention discloses a surface plasma light-catalyzed reaction device based on photonic crystal fiber. A fiber core of the photonic crystal fiber is provided with a plurality of air vent holes; part of the air vent holes are filled with surface plasma photocatalyst through the method of selectively filling in the air vent holes of the photonic crystal fiber; and the surface plasma light-catalyzed reaction device based on the photonic crystal fiber comprises a solid laser, a nonselective absorbent, a vacuum air chamber and a light-catalyzed reaction product collecting device which are connected sequentially. Compared with the prior art, the surface plasma light-catalyzed reaction device adopts photonic crystal fiber as a light-transmitting medium and a carrier of a catalyst as well as a transport corridor of reactants, combines the advantages of high energy density, high beam quality, high electro-optic conversion efficiency and easiness in fiber coupling of laser, and can improve the contact area and the reaction time of gaseous reactants and the catalyst as well as the utilization ratio of laser energy.

Description

technical field [0001] The invention relates to the technical fields of optical information and photocatalysis, in particular to a photonic crystal fiber, a preparation method of the photonic crystal fiber used for photocatalytic reaction, and a surface plasmon photocatalytic reaction device based on the photonic crystal fiber. Background technique [0002] In 1972, Professor Fujishima and Honda used TiO 2 The electrode decomposes water under light to produce hydrogen and oxygen. After that, photocatalysis technology has become an extremely important research topic in the field of catalysis. Photocatalytic materials have important application prospects in solving energy and environmental problems. At present, photocatalytic materials can decompose water to produce hydrogen, degrade organic pollutants, and reduce CO under light irradiation. 2 etc., which has aroused extensive attention of scholars at home and abroad. Various types of semiconductor photocatalytic materials h...

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Problems solved by technology

The former photocatalyst powder is suspended in organic solution or water, and the powder is in complete contact with the liquid phase, but it is easy to condense and lose activity in the liquid phase, and it is easy to hinder the penetration of light, especially the separation and recovery of the catalyst after treatment. ; Although the latter can avoid the difficulties of separation and recovery of photocatalyst, only part of the area of ​​photocatalyst can effectively contact with liquid

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