二氧化钒热致变色薄膜的制造策略与先进应用  

Fabrication Strategy and Advanced Applications of Vanadium Dioxide Thermochromic Films

作　　者：杨蕙君 蔡少勇 刘兴海[1] 黎厚斌[1] YANG Huijun;CAI Shaoyong;LIU Xinghai;LI Houbin(School of Printing and Packaging,Wuhan University,Wuhan 430079,China)

机构地区：[1]武汉大学印刷与包装系,湖北武汉430079

出　　处：《包装学报》2020年第5期11-20,共10页Packaging Journal

基　　金：国家自然科学基金资助项目(51776143)。

摘　　要：智能包装是印刷与包装行业新的发展方向,实现了包装与消费者高效便捷的信息交互。智能包装材料的研发以实现不同功能的智能包装技术为基础,其中二氧化钒(VO2)是制备热致变色膜的主要材料之一,广泛应用于智能隔热控温材料领域。在VO2的多种晶形结构中,具有半导体特性的M相在68℃时可逆相变为金属R相,能够阻挡太阳光波中的红外波段以达到主动调控温度的目的。为此,对VO2热致变色薄膜的相变温度及光学性能的调控方法进行综述,调控方法主要以层状结构为研究基础,通过元素掺杂、不同材料复合及表面改性等方式改善VO2薄膜的性能,这种智能包装材料可以有效调控产品所处的环境温度,因此更加适用于日常生活,并为产品质量提供保证。同时,展望了VO2薄膜的应用发展趋势。Intelligent packaging opens a new development direction in printing and packaging industry,and realizes efficient information interaction between packaging and consumers.The research and development of intelligent packaging materials is the basis of intelligent packaging technology with different functions.Vanadium dioxide(VO2)is one of the main materials of thermochromic film,which is widely used in the field of intelligent thermal insulation and temperature control materials.Among various crystal structures of VO2,the M phase with semiconductor characteristics can change into metal R phase reversibly at 68℃,which can block the solar infrared band to achieve the purpose of active temperature control.The methods of controlling the phase transition temperature and optical properties of VO2 thermochromic films are reviewed.Based on the research of layered structure,the performance of VO2 film is improved by doping elements,compounding different materials and modifying the surface of film,enabling this kind of intelligent packaging material to control the ambient temperature of products effectively.Therefore,it is more suitable for use in daily life and provides guarantee for product quality.Meanwhile,the application trend of VO2 thin films is prospected.

关 键 词：VO2薄膜 热致变色 智能包装 智能隔热控温 表面改性 

分 类 号：TB381[一般工业技术—材料科学与工程]