[Retracted] Liquid-Phase Synthesis of Nano-Zinc Oxide and Its Photocatalytic Property

Table 1

The relationship between the size of nanoparticles and the number of atoms on the surface.

Nanoparticles size/m	Total number of atoms contained (N)	Percentage of atoms on the surface (%)
90	3  10^4	3
20	3  10^6	21
5	3  10^3	50