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Method for preparing cubic titanium dioxide/two-dimensional nano-titanium carbide composite material
The invention provides a method for preparing a cubic titanium dioxide/two-dimensional nano-titanium carbide composite material. The method comprises the following steps: firstly preparing and synthesizing a high-purity ternary layered Ti3AlC2 ceramic block body, and refining powder by virtue of a high-energy ball mill; immersing the powder into a hydrofluoric acid solution to react, centrifugally washing with deionized water after a period of time, and washing and drying with anhydrous ethanol to obtain a two-dimensional layered nano-material MXene-Ti3C2; heating to insulate and oxidize the surface of the active Ti terminal of the MXene-Ti3C2 to form TiO2 in an oxidizing atmosphere so as to obtain the TiO2/MXene-Ti3C2 nano-composite material. The method has the advantages of simple preparation process, controllable process and low cost. The TiO2/MXene-Ti3C2 nano-composite material has graphene-like two-dimensional layered characteristics, has the characteristics of uniform layer, large specific surface area, excellent conductivity, fine and uniformly distributed TiO2 particles, excellent photocatalytic performance, excellent biological affinity and the like, and is applicable to the fields of photocatalysis, wastewater treatment, lithium ion batteries, super capacitors, biosensors and other fields.
Method for preparing cubic titanium dioxide/two-dimensional nano-titanium carbide composite material
The invention provides a method for preparing a cubic titanium dioxide/two-dimensional nano-titanium carbide composite material. The method comprises the following steps: firstly preparing and synthesizing a high-purity ternary layered Ti3AlC2 ceramic block body, and refining powder by virtue of a high-energy ball mill; immersing the powder into a hydrofluoric acid solution to react, centrifugally washing with deionized water after a period of time, and washing and drying with anhydrous ethanol to obtain a two-dimensional layered nano-material MXene-Ti3C2; heating to insulate and oxidize the surface of the active Ti terminal of the MXene-Ti3C2 to form TiO2 in an oxidizing atmosphere so as to obtain the TiO2/MXene-Ti3C2 nano-composite material. The method has the advantages of simple preparation process, controllable process and low cost. The TiO2/MXene-Ti3C2 nano-composite material has graphene-like two-dimensional layered characteristics, has the characteristics of uniform layer, large specific surface area, excellent conductivity, fine and uniformly distributed TiO2 particles, excellent photocatalytic performance, excellent biological affinity and the like, and is applicable to the fields of photocatalysis, wastewater treatment, lithium ion batteries, super capacitors, biosensors and other fields.
Method for preparing cubic titanium dioxide/two-dimensional nano-titanium carbide composite material
YANG CHENHUI (Autor:in) / WANG FEN (Autor:in) / TANG YI (Autor:in) / WANG XIN (Autor:in) / WANG ZIJING (Autor:in) / ZHU JIANFENG (Autor:in) / AI TAOTAO (Autor:in)
08.04.2015
Patent
Elektronische Ressource
Englisch
IPC:
C04B
Kalk
,
LIME
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