37results about How to "Improve light conversion rate" patented technology

The invention discloses a fluorine-contained polythiophene photoelectric material with high optical conversion rate and a preparation method thereof. The fluorine-contained polythiophene photoelectric material with high optical conversion rate is in a three-embedded-segment macromolecular structure containing fluorine-contained polythiophene receptor-polythiophene- polythiophene donors, wherein afluorine-contained polythiophene receptor is polythiophene containing a fluorine-contained alkyl chain. Compared with the prior art, the fluorine-contained polythiophene photoelectric material introduces fluorine-contained groups strongly sucking electrons in the polythiophene structure to improve the electron-receiving capability. A controllable segmental catalyst transferring and polymerizing method is utilized to synthesize the polythiophene in the regular three-embedded-segment macromolecular structure containing the fluorine-contained polythiophene receptor-polythiophene- polythiophene donors. The invention has the advantages of little defects, low carrier loss rate and high optical conversion rate and can be used in the field of organic film solar batteries to provide an ideal material for preparing solar batteries with high optical conversion rate.

The invention discloses a solar panel, comprising two or more than two photoelectric conversion materials, wherein one of the photoelectric conversion materials is a multi-component compound photoelectric material; wherein the multi-component compound photoelectric material is gallium arsenide, indium phosphide, silicon carbide or gallium nitride. Moreover, the invention also discloses a solar mobile terminal power supply device comprising the solar panel, also comprising a solar battery working circuit; the solar battery working circuit comprises an output control module, a current detectingmodule, a display module and a battery. The solar panel according to the invention has high conversion rate and excellent performance price ratio, capable of providing stable pressure; being set on the mobile terminal, it can effectively improve the working efficiency of the mobile terminal.

The invention relates to the field of anti-reflective coatings, in particular to a solar cell anti-reflective coating. The self-cleaning solar cell anti-reflective coating is characterized in that transparent tempered glass serves as base materials, the anti-reflective coating comprises three coating bodies, namely the silicon dioxide coating body, the titanium dioxide coating body and the silicon dioxide coating body, the silicon dioxide coating body, the titanium dioxide coating body and the silicon dioxide coating body are sequentially arranged from the side close to the transparent tempered glass to the outside, the reference wavelength is the 800-nm wavelength, a sol-gel method is adopted for the silicon dioxide coating body close to the transparent tempered glass, the optical thickness of the silicon dioxide coating body is one fourth of the reference wavelength, magnetron sputtering coating is adopted for the titanium dioxide coating body, the optical thickness of the titanium dioxide coating body is a half of the reference wavelength, magnetron sputtering coating is adopted for the silicon dioxide coating body on the outer side, and the optical thickness of the silicon dioxide coating body is one fourth of the reference wavelength. According to the self-cleaning solar cell anti-reflective coating, the photocatalysis self-cleaning function of titanium dioxide and the hydrophobicity of nanoscale silicon dioxide are sufficiently used, the light conversion rate can be increased by 1%, the durability of the glass of the anti-reflective coating can be further improved, a solar cell panel can be easily applied outdoors for a long time, and the cost of solar power generation is greatly saved.

The invention discloses a method for preparing a solid laser working substance with dye laser properties. The solid laser working substance produced by the method of the invention overcomes the complexity of the optical path structure of the dye laser, which makes the laser bulky and limited in use fatal defect; the laser made of this laser working medium is the same as the ordinary solid-state laser, which has the characteristics of simple structure, small size and portability; it is pumped in the range of 945nm-980nm as the pumping light source, and can be It directly produces 525nm green light, and its stand-alone continuous laser power can easily reach 40 watts, which is about eight times that of the current mainstream green lasers under the same conditions; the resonant cavity of the present invention passes between the first lens and the second lens With thin slices, the laser made of this resonant cavity can save the frequency doubling optical device in the traditional green laser. It not only simplifies the structure of the traditional green laser, but also improves the light conversion rate of the laser.

The invention discloses a preparation method and application of a biodegradable rare earth fluorescent film, in which a three-nuclear rare earth europium complex luminescent material Eu is doped in a PLA matrix 3 (TTA) 9 ‑TPMB, obtain the biodegradable rare earth fluorescent film with PLA as matrix; Wherein, PLA and Eu 3 (TTA) 9 ‑TPMB mass ratio is 100:(1~10). Doping Eu with PLA as the matrix 3 (TTA) 9 ‑The biodegradable rare earth fluorescent film made of TPMB can be completely degraded, environmentally friendly, green and pollution-free. The biodegradable rare earth fluorescent film also has the advantages of superior luminescence performance and high energy transfer efficiency of trinuclear rare earth europium complex luminescent materials, and europium ions have unique red light luminescence performance, and the wavelength is between 610-640nm, which is beneficial to Plant photosynthesis can help plants produce and has good agricultural value. The preparation process of the biodegradable rare earth fluorescent film is simple, the cost is low, and it is suitable for popularization and use.