Ultrafine cuprous oxide

  Cu2O is a p-type semiconductor with a band gap of 2
1 ev
It has unique optical, electrical and photoelectrochemical properties
In addition, it also has strong adsorption properties and low-temperature paramagnetism
The advantage of photocatalyst is that it can absorb visible light in sunlight, excite photogenerated electron hole pairs, effectively catalyze the degradation of industrial printing and dyeing wastewater and nitrogen-containing pesticides, and make up for t I O 2
Semiconductors with large band gap
Photocatalyst is difficult to catalyze degradation in the range of visible light wavelength, which shows great potential in the field of photocatalytic degradation of organic pollutants
The feasibility of nano materials in photocatalytic degradation of organic compounds in wastewater has been widely realized

Among many semiconductor photocatalyst materials, nano Cu2O has stable chemical properties, low price and easy availability
It has strong oxidation ability under the action of sunlight, and finally transforms to spherical, and the particle size is reduced from 30 nm to 9 nm
In the presence of polyvinylpyrrolidone, copper potassium sodium tartrate and glucose solution were heated, centrifuged and vacuum dried to obtain 10 ~ 45 nm cuprous oxide
With the decrease of crystal size, the crystal color changes from red to orange
It can completely oxidize organic pollutants in water to form CO2 and H2O
Therefore, nano Cu2O is more suitable for the advanced treatment of various dye wastewater
At the same time, Cu2O is also an important inorganic chemical raw material, which is widely used in marine antifouling coatings, solar cells and so on