POROUS OXIDE ULTRATHIN FILM, CORE-SHELL PARTICLE COMPOSED OF SHELL COMPRISING ULTRATHIN FILM AND CORE COMPRISING POLYMER, POROUS HOLLOW OXIDE SHELL STRUCTURE DERIVED FROM CORE-SHELL PARTICLE, AND METHODS FOR MANUFACTURING THEM

摘要

PROBLEM TO BE SOLVED: To especially achieve the production of porous matter in the design of a composite structure brought about by the synthesizing study of an oxide nano-sheet and a composite using the nano-sheet energetically performed in recent years, that is, to provide a porous oxide ultrathin film, a core-shell structure wherein the surface of a polymer sphere is coated with the ultrathin film, a porous oxide shell hollow structure using the core-shell structure as a precursor and a method for manufacturing them.;SOLUTION: Oxide nano-sheets and aluminum polynuclear hydroxide ions are alternately laminated on the surface of a predetermined substrate or the surface of the polymer sphere to obtain the porous oxide ultrathin film or a porous core-shell structure. Further, they are heated to convert the ions to an oxide or to allow the polymer to disappear, to thereby obtain a target porous structure.;COPYRIGHT: (C)2005,JPO&NCIPI