Titanium dioxide based composite thin film with classified nano point structure and preparation method thereof

The invention discloses a titanium dioxide based composite thin film with a classified nano point structure. A titanium dioxide nano point layer and a photosensitive semi-conductor nano point layer are arranged on a substrate from bottom to up in sequence. A sol-gel method is used for preparing the...

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Bibliographische Detailangaben
Hauptverfasser:	SUN YU, DU PIYI, ZHANG XIWEN, CHENG KUI, ZHAO GAOLING, SONG CHENLU, SHEN GE, XU GANG, WANG JIANXUN, HAN GAORONG, WENG WENJIAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BEER BIOCHEMISTRY CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES CHEMISTRY COMPOSITIONS THEREOF CULTURE MEDIA DISINFECTION, STERILISATION, OR DEODORISATION OF AIR ENZYMOLOGY HUMAN NECESSITIES HYGIENE LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES MEDICAL OR VETERINARY SCIENCE METALLURGY METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL MICROBIOLOGY MICROORGANISMS OR ENZYMES MUTATION OR GENETIC ENGINEERING PERFORMING OPERATIONS PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS SPIRITS TRANSPORTING VINEGAR WINE
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Beschreibung
Zusammenfassung:	The invention discloses a titanium dioxide based composite thin film with a classified nano point structure. A titanium dioxide nano point layer and a photosensitive semi-conductor nano point layer are arranged on a substrate from bottom to up in sequence. A sol-gel method is used for preparing the titanium dioxide based composite thin film with the classified nano point structure and comprises the following steps: spin coating a titanium dioxide precursor sol on the substrate; annealing and drying to obtain the dioxide nano point layer on the substrate; spin coating a photosensitive semi-conductor precursor sol on the dioxide nano point layer; annealing and drying to obtain the titanium dioxide based composite thin film with the classified nano point structure. The composite thin film not only has excellent photo induced hydrophily, and also has relatively large specific surface area; initial attachment, reproduction and induction of cells are facilitated; and the preparation method is simple, low in cost an