3results about How to "Strong light absorbing ability" patented technology

The invention discloses a natural high-modulus asphalt particle size detection method based on an image recognition technology, which comprises the following steps: heating natural high-modulus asphalt to be detected to a flowing state, and preparing a film sample on a glass slide; performing multi-view-field image acquisition on the film sample in a microscopic imaging system to obtain an asphalt particle image; identifying natural rock asphalt particles in the asphalt particle image, and counting particle size distribution parameters of the natural rock asphalt particles; and determining the storage stability of the natural high-modulus asphalt to be detected based on the particle size distribution parameters. According to the natural high-modulus asphalt particle size detection method disclosed by the invention, efficient detection and stable control on the particle size state and the storage stability of the natural high-modulus asphalt are realized.

The application discloses a carbon nitride photoelectrode and a preparation method and application thereof, and belongs to the technical field of material preparation and photoelectrocatalysis. A metal film is uniformly deposited on a conductive substrate by a physical evaporation method to obtain a metal-conductive substrate, nitrogen-rich carbon organic matter is pyrolyzed and polymerized with the metal-conductive substrate under an inert gas atmosphere to obtain the carbon nitride photoelectrode. In the carbon nitride thermal polymerization process, the nitrogen-rich carbon organic matter is used as a precursor, chemical coordination is formed with a metal having a vacant track, photo-generated electrons and holes are effectively transmitted, the interface resistance is reduced, and the photoelectrocatalytic conversion reaction efficiency is improved. The carbon nitride-based photoelectrode has strong light absorption, high photo-generated charge separation / migration capacity, simple process, low cost, green environmental protection, and an easy-to-control structure, and has great application and promotion potential.

This invention relates to a pyrrolopyrrole organic small molecule photothermal material with high photothermal conversion efficiency, its preparation method, and its application. The invention belongs to the field of organic small molecule photothermal materials. It aims to solve the problems of poor thermal stability and low photothermal conversion efficiency in existing photothermal materials. Preparation method: BrDPPBr, R-boronate, potassium carbonate, and a high-boiling-point solvent are mixed, then heated, and a phosphine compound is added. The mixture is heated and stirred continuously. After the reaction, it is cooled to room temperature, and then pure water is added to precipitate the solid. The solid is then recrystallized and purified to obtain the pyrrolopyrrole organic small molecule photothermal material. Application: It is used for water evaporation. This invention relates to pyrrolopyrrole organic small molecule photothermal materials with high photothermal conversion efficiency, their preparation, and their applications.