本發明關於一種奈米多孔性薄膜製作方法,其用以製作具有一複合式光觸媒結構的一奈米多孔性薄膜,其係用於一光降解技術與一水質淨化技術中,該方法包含步驟:提供帶有複數奈米管的一多孔性基板,每一條奈米管具有一內管壁;在該多孔性基板以及該內管壁上的所有表面上,使用一第一化學沉積製程形成一氧化物基光觸媒層;以及在該氧化物基光觸媒層的一部分表面上,使用一第二化學沉積製程形成一金屬基光觸媒層。 The present invention relates to a nanoporous thin film fabricating method for fabricating a nanoporous thin film having a composite photocatalyst structure for a photodegradation and a water purification, comprising: providing a substrate with a plurality of through-pores thereon, each of which through-pores have an inner tube wall; forming an oxide-based photocatalyst layer over the substrate and the inner tube wall by a first chemical-based deposition process; and forming a metal-based photocatalyst layer on a part of the oxide-based photocatalyst layer by a second chemical-based deposition process. |