Self-cleaning solar panel film with lotus leaf bionic structure and preparation method thereof

The invention discloses a self-cleaning solar panel film with a lotus leaf bionic structure, and selects an acrylic resin with excellent transparency as a matrix resin for the problem that the solar panel is easy to accumulate dust when used outdoors and affects the photoelectric conversion efficiency, by adding a fluorine-containing block copolymer as a surface modifier, the micelle microspheresself-assembled by a sucrose/polycaprolactone amphiphilic polymer is dispersed in the matrix to form a micron-sized mastoid. At the same time, the amphiphilic polymer has a star-shaped multi-armed nano-scale fluff. The micron-sized mastoid combines with the nano-scale fluff to form a micro-nano second-order structure which is similar to the lotus leaf, the structure has a large contact angle and asmall rolling angle, and can achieve excellent self-cleaning performance. The film does not substantially affect the light transmittance, greatly reduces the accumulation of dust and other contaminants on the solar panel, impr