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

A device for making nano-scale particles of titanium dioxide, 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;
• 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 with 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 solvent;
• and
• a separating board detachably mounted in the vacuum chamber, wherein when the separating board is installed on the vacuum chamber, the vacuum chamber is divided into a lower separating chamber and a upper separating chamber by the separating board.