PHOTOCATALYTIC MATERIAL

• Main Authors: NISHINAKA HIROYUKI, MATSUBAYASHI MASAKAZU
• Format: Patent
• Language: English; Japanese
• Published: 01.02.2016
• Subjects: CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; HUMAN NECESSITIES; HYGIENE; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES; MEDICAL OR VETERINARY SCIENCE; METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; THEIR RELEVANT APPARATUS; TRANSPORTING

PROBLEM TO BE SOLVED: To provide a visible light-responsive photocatalytic material of tungsten oxide capable of showing excellent photocatalytic activity, without using a noble metal such as platinum, or while reducing the amount of use of the noble metal such as platinum.SOLUTION: In a photocatalytic material, molybdenum oxide having a particle diameter of 1 nm-50 nm as a whole is carried as a co-catalyst on the surface of a particle of tungsten oxide.SELECTED DRAWING: Figure 1 【課題】白金等の貴金属を使用せず、もしくは白金等の貴金属の使用量の低減を行いながらも、優れた光触媒活性を示す、酸化タングステンの可視光応答型光触媒材料を提供する。【解決手段】本発明の一形態に係る光触媒材料は、酸化タングステンの粒子の表面に、粒径が全て１ｎｍ〜５０ｎｍである酸化モリブデンが助触媒として担持されている。【選択図】図１