Metadata
Author: patents-wipo
Data
English[en]
The present invention relates to a manufacturing method of visible light-responsive nano-photocatalysts and comprises the steps of: a) preparing an aqueous TiCl4 solution; b) adding ammonium sulfate ((NH4)2SO4) to form an anatase-type nano crystral structure; c) doping an aqueous solution having the crystal structure with nitrogen (N) and fluorine (F); and d) devitrifying the doped mixture to form the nanopowder.
French[fr]
La présente invention concerne un procédé de fabrication de nano-photocatalyseurs, sensibles à la lumière visible, qui comporte les étapes consistant : a) à préparer une solution aqueuse de TiCl4 ; b) à ajouter du sulfate d'ammonium ((NH4)2SO4) pour former une structure nanocristalline de type anatase ; c) à doper une solution aqueuse ayant la structure cristalline par de l'azote (N) et du fluor (F) ; d) à dévitrifier le mélange dopé pour former la nanopoudre.
Korean[ko]
본 발명은 가시광 반응성 광촉매의 제조방법에 관한 것으로, (a) TiCl4 수용액을 제조하는 단계; (b) 아나타제(anatase)형 나노 결정구조 형성을 위한 황산암모늄을((NH4)2SO4) 첨가하는 단계; (c) 상기 결정구조를 갖는 수용액에 질소(N) 및 플루오린(F)을 도핑하는 단계; 및 (d) 상기 도핑된 혼합물을 결정화하여 나노 분말을 형성하는 단계를 포함한다.