Device for making nano-scale particles of titanium dioxide and method of making nano-scale particles of titanium dioxide using the device

A method for making nano-scale particles of titanium dioxide, comprising:

• providing a device, the device comprising a vacuum chamber, an evaporator being mounted in the vacuum chamber, a gas supplier communicating with the vacuum chamber, a vacuum pump assembly communicating with the vacuum chamber, and;
• a product collecting device communicating with the vacuum chamber, the product collecting device comprising a pump, a guide pipe connected with the pump, and a powder collector communicated to the guide pipe;
• the pump communicating with the vacuum chamber, the guide pipe being inserted in the powder collector to communicate with the powder collector, the powder collector being filled with organic solvents;
• providing titanium evaporation materiel, and positioning the titanium evaporation materiel in a device;
• extracting the chamber to an internal pressure of about 1.0−2 Pa to about 1.0−3 Pa;
• melting the titanium evaporation materiel;
• feeding argon and oxygen into the chamber, and heating the melted titanium evaporation materiel to vaporized titanium, the vaporized titanium reacting with the oxygen to form vaporized titanium dioxide;
• and
• extracting the vaporized titanium dioxide from the vacuum chamber to the organic solvent.