Nano Cs doped tungsten oxide, also known as nano cesium tungsten bronze, may be applied for producing a transparent infrared heat insulation nano material. And the prepared nano material can be applied in building glass and many other places where equipped with glass products for high heat insulation and high visible light transparency. According to experts, the cesium tungsten bronze nano particles are a type of nano material that has a quantum size effect. So, what is the quantum size effect?
More details, please visit:
http://www.tungsten-powder.com/cesium-tungsten-bronze-chinatungsten.html
The Japanese scientist Kubo has defined the quantum size effect as follows: If the particle size is reduced to a minimum value, the phenomenon that the electron energy level near the Fermi level changes from quasi-continuous to discrete energy level occurs. The main manifestation is that the optical absorption spectrum transitions from a broad absorption without structure to a characteristic absorption with structure. At this time, the electrons in discrete energy will bring a series of special properties to the nanoparticles, such as superconductivity, photocatalysis and high optical nonlinearity.
