China University of Petroleum

Jirui Hou

Zhuo Lu

Infant Raj

Lixiao Xiao

Yuchen Wen

Provided is a modified titanium dioxide nanomaterial and its preparation method and application, the method including the following steps: 1) mixing 1 part by weight of an anatase type titanium dioxide nanosheet with a solution containing 1 to 5 parts by weight of a coupling agent for reaction to obtain an intermediate; 2) adding 1 to 15 parts by weight of a fatty acid compound and 0.01 to 1 parts by weight of a catalyst into the intermediate for modification reaction, and then washing and drying the intermediate to obtain a modified titanium dioxide nanomaterial; where the coupling agent includes at least one of titanate coupling agent and silane coupling agent, and contains one terminal amino group; the fatty acid compound is a linear mono-saturated fatty acid with a carbon atom number of 8 to 26.

Modified titanium dioxide nanomaterial and preparation method and application thereof

A functionalized molybdenum disulfide nanosheet and its preparation method and application, where the preparation method includes steps below: mixing a solvent, 1 part by weight of lipoic acid and 5-10 parts by weight of a first compound for 2-4 h to obtain a mixture; adding 0.05-0.1 parts by weight of 1-hydroxybenzotriazole into the mixture, mixing for 24-48 h, and drying to obtain an intermediate product; performing ultrasonic treatment or heat treatment on a raw material-solution system to obtain a functionalized molybdenum disulfide nanosheet, where the raw material-solution system includes 5-10 parts by weight of the molybdenum disulfide nanosheet, 1 part by weight of the intermediate product and saline water, the first compound contains an ethylene oxide group and an alkylamine chain, the number of carbon atoms in the alkylamine chain is 12-18, and the number of the ethylene oxide group is 2-15.

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Beijing, China

Jirui Hou