▎ 摘　　要

NOVELTY - Preparation of laser induced graphene on wood includes obtaining the optimal laser parameter of the laser induced graphene by placing the pine substrate material in the vacuum cavity and vacuumizing by the vacuum pump, placing the vacuum cavity on the laser direct-writing processing system for scanning radiation, using 1070 nm optical fiber laser, using laser direct writing technology to perform laser-induced graphene the wood operation, and measuring the graphene resistance value induced by laser on the loose wood base material different laser parameters by using five-bit semi-digital multi-meter; and preparing the laser induced patterning graphene on the wood by obtaining the optimal laser parameter value, performing laser direct writing operation, and placing the substrate material together with the vacuum cavity on 1070 nm laser processing platform. USE - The method is for preparation of laser induced graphene on wood. ADVANTAGE - The method solves the problem that the laboratory graphene sample is difficult to obtain and the time is long in a certain degree. DETAILED DESCRIPTION - Preparation of laser induced graphene on wood comprises obtaining the optimal laser parameter of the laser induced graphene by placing the pine substrate material in the vacuum cavity and vacuumizing by the vacuum pump, placing the vacuum cavity on the laser direct-writing processing system for scanning radiation, using 1070 nm optical fiber laser, using laser direct writing technology to perform laser-induced graphene the wood operation, and measuring the graphene resistance value induced by laser on the loose wood base material different laser parameters by using five-bit semi-digital multi-meter; preparing the laser induced patterning graphene on the wood by obtaining the optimal laser parameter value, performing laser direct writing operation, placing the substrate material together with the vacuum cavity on 1070 nm laser processing platform, adjusting according to the obtained optimal laser parameter, at the same time according to the designed pattern, controlling the laser to perform laser-processing operation, and obtaining the laser-induced sample graphene; inducing the characterization of graphene by laser on the wood to verify the laser-induced graphene, obtaining the micro-topography of the laser-induced graphene, where the laser-induced graphene of the optimal parameter is characterized by Raman spectrum, connecting the instrument with the computer through the USB wire, opening the computer Raman software, rotating the laser lock type switch in the clockwise direction to open the laser, preheating for half an hour, putting the sample graphene in the second step into the sample pad, turning off the lamp in the room or making the sample in the dark environment, and finally clicking the dark current scanning of the program to collect the dark current reference data so as to obtain the Raman spectrum of the sample graphene.