NOVELTY - The solar cell has microspheres (30) formed on transparent electric-conduction layer (20) and with a diameter of 0.1-100 micrometers. A dielectric layer (40) is formed among microspheres, covers the surface of transparent electric-conduction layer without the microspheres, and with a thickness smaller than the diameter of microspheres. The transparent electric-conduction layer is made of indium tin oxide. The microspheres are made of material selected from a group consisting of silicon dioxide, silicon nitride, and aluminum oxide.    USE - Omnidirectional anti-reflection structure type solar cell used for power generation.    ADVANTAGE - Allows lowering the energy barrier and increasing the electric conductivity and short-circuit current. Obtains higher absorption efficiency and increases the short-circuit current density in short-wavelength spectrum. The anti-reflection structure enhances omnidirectional light absorption. Increases utilization efficiency of incident light and promotes the photoelectric conversion efficiency effectively by using the microspheres and dielectric layer to form the omnidirectional anti-reflection structure. The overall efficiency of the solar cell is promoted by using hydrochloric acid treatment to remove the oxide interface of the solar cell substrate and homogenize the electric conductivity of the interface between solar cell substrate and transparent electric-conduction layer. Obtains solar cell with higher photoelectric conversion efficiency in the short-wavelength spectrum.    DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for method for fabricating a solar cell with an omnidirectional anti-reflection structure.    DESCRIPTION OF DRAWING(S) - The drawing shows a schematic perspective view of the process of a method for fabricating a solar cell with an omnidirectional anti-reflection structure.    Solar cell substrate (10)    Bottom electrode (11)    Transparent electric-conduction layer (20)    Microspheres (30)    Dielectric layer (40)