Color Formation Principle And Control Difficulty Of Ion Plating
Dec 25, 2024| Color formation principle and control difficulty of ion plating
The color of the material originates from the stimulus reflected to the human eye after the selective absorption of visible light, which depends on the electronic structure of the material and the electronic energy level transition. The electronic structure of complex compounds is complex and there are many influencing factors, so it is difficult to calculate or design the electronic structure material corresponding to the specified color, and it is also difficult to determine the corresponding target and reaction gas. At the same time, the understanding of the physical and chemical behavior of plasma in the process of ion plating is insufficient, and the relationship between the decomposition, ionization, intermediate product morphology, valence state, particle number, proportion, energy and spatial distribution of multi-element substances in the process of ion plating and the electrical parameters of plasma discharge, emission source (target) and the state of the input reaction gas is not deeply understood. It is difficult to control the color difference with high precision, and the color difference can only be controlled in a certain range.
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