Superhydrophobic surfaces such as the leaves of the lotus plant show high hydrophobicity and extremely low wettability. Various studies have been conducted to realize superhydrophobic surfaces by forming microstructures or nanostructures. The nanostructures of this surface can enhance the contact angle (CA) to higher than 150, so the Water droplets that hit the surface would quickly roll off, carrying dust and other particles with them. Nevertheless, most studies regarding superhydrophobic surfaces have focused mostly on enhancing the non-wetting property itself. It is still a question of whether such a superhydrophobic surface can be practically applicable in areas such as self-cleaning surfaces on solar cells. Further studies are needed to verify the feasibility of superhydrophobic surfaces in real world application [8-10].
5. Electrostatic removal of dusts
Electrostatic dusts-removing is a sample electric method. When Clark P E, Minetto F A and Keller J [11] studied the dust mitigation strategy that works on the lunar surface, they suggested that there are possibly two mechanisms of particles charging on moon: 1. triboelectric charging, 2. photoemission of electrons from the surface of the particles by UV radiation. So, if there are a high potential on the surface of the solar panels, the charged and uncharged dusts will be attract to the panels because of the electrostatic forces. Then, the dust particles will be charged by the solar panels finally, so they have
Superhydrophobic surfaces such as the leaves of the lotus plant show high hydrophobicity and extremely low wettability. Various studies have been conducted to realize superhydrophobic surfaces by forming microstructures or nanostructures. The nanostructures of this surface can enhance the contact angle (CA) to higher than 150, so the Water droplets that hit the surface would quickly roll off, carrying dust and other particles with them. Nevertheless, most studies regarding superhydrophobic surfaces have focused mostly on enhancing the non-wetting property itself. It is still a question of whether such a superhydrophobic surface can be practically applicable in areas such as self-cleaning surfaces on solar cells. Further studies are needed to verify the feasibility of superhydrophobic surfaces in real world application [8-10].5. Electrostatic removal of dustsElectrostatic dusts-removing is a sample electric method. When Clark P E, Minetto F A and Keller J [11] studied the dust mitigation strategy that works on the lunar surface, they suggested that there are possibly two mechanisms of particles charging on moon: 1. triboelectric charging, 2. photoemission of electrons from the surface of the particles by UV radiation. So, if there are a high potential on the surface of the solar panels, the charged and uncharged dusts will be attract to the panels because of the electrostatic forces. Then, the dust particles will be charged by the solar panels finally, so they have
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