光子晶体结构色在智能防伪领域的应用研究  

Research on the application of photonic crystal structural colour in the field of intelligent anti-counterfeiting

作　　者：孙逸娇 高伟洪 陆依健 杨欣奕 杨树 辛斌杰[1] SUN Yijiao;GAO Weihong;LU Yijian;YANG Xinyi;YANG Shu;XIN Binjie(School of Textiles and Fashion,Shanghai University of Engineering Science,Shanghai 201620,China)

机构地区：[1]上海工程技术大学纺织服装学院,上海201620

出　　处：《丝绸》2025年第4期47-53,共7页Journal of Silk

基　　金：国家自然科学基金项目(51803117);浙江省自然科学基金面上项目(E030059)。

摘　　要：光子晶体是一种由不同折射率的物质组成的周期结构,是主要的结构色材料,而防伪就是在一定的限度内精确地识别真假且不易被复制。本文阐述了光子晶体结构生色的原理,并从光子晶体结构色实现防伪调制途径的角度出发,综述了调制的四类途径,分别是改变晶格常数、改变折射率的对比度、调控光子晶体缺陷及结构的有序性,且对光子晶体结构色防伪材料的应用具有一定的指导作用。With the rapid development of science and technology,many enterprises or individuals prevent counterfeit products through a variety of anti-counterfeiting identification technology.However,counterfeiting products are repeated and endless.In order to effectively solve this problem,we must improve intelligent anti-counterfeiting technology and develop more secure and diverse anti-counterfeiting materials.In the process of preventing counterfeiting,enterprises and individuals have begun to implement green and low-carbon dyeing programmes in order to reduce the impact of printing and dyeing wastewater on the environment and to respond to the national call for carbon peaks and carbon neutrality.The researchers opted for an eco-friendly photonic crystal material,which boasts low phonon energy,high color saturation,resistance to fading,non-toxicity,harmlessness,reusability,and difficulty in counterfeiting.Structural colours do not depend on any dyes,but are coloured by the special structure of the object itself,which produces an optical effect.These colours are usually produced due to the very thin wax layer,incised points,grooves or scales on the surface of the object,which cause light waves to be refracted,diffusely reflected,diffracted or interfered.Photonic crystal structural colour is the visual effect of diffraction of light and crystal,with high saturation,high brightness and iridescent effect,and as a physical colouring method,it is not selective to the substrate.These features endow photonic crystals with unique and broad application prospects in intelligent anti-counterfeiting.To solve the current problem of product counterfeiting,we have collected and reviewed a lot of literature on photonic crystal structure colour in the field of intelligent anti-counterfeiting and take it as the object of research,and classified the modulation pathways of photonic crystals to achieve anti-counterfeiting into the following four categories:changing lattice constants,changing the refractive index of the contrast,modulating th

关 键 词：光子晶体 结构色 调制途径 智能防伪 晶格常数 晶体缺陷 

分 类 号：TS101.8[轻工技术与工程—纺织工程]