用于光学防伪的结构色料。,Small

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用于光学防伪的结构色料。
Small ( IF 13.0 ) Pub Date : 2020-03-18 , DOI: 10.1002/smll.201907626
Wei Hong ₁ , Zhongke Yuan ₁ , Xudong Chen ₁

Affiliation

假冒商品在全球范围内不断增长，几乎影响到从消费品到人类健康的任何可销售商品。防伪对于身份验证，货币和安全性至关重要。基于结构彩色材料的防伪标签由于其廉价的生产和卓越的易感性而在世界范围内获得了长期商业成功。然而，全息光栅的常规防伪标签可以被容易地复制或模仿。通过在结构彩色材料中采用足够的复杂性和刺激响应能力，最近在克服该限制方面取得了很大进展。此外，传统的结构性彩色标签处理方法主要基于光刻和纳米压印，同时已经开发出了诸如无墨印刷和增材制造等新的加工方法，从而可以大规模制造新颖的结构色彩安全工程。这篇综述介绍了结构色料的最新突破，并详细讨论了它们在光学加密和防伪中的应用。特别注意光学防伪技术的独特结构及其加密的光学方面。最后，介绍了使用结构彩色材料的光学加密技术的新兴研究方向和当前挑战。详细讨论了它们在光加密和防伪中的应用。特别注意光学防伪技术的独特结构及其加密的光学方面。最后，介绍了使用结构彩色材料的光学加密技术的新兴研究方向和当前挑战。详细讨论了它们在光加密和防伪中的应用。特别注意光学防伪技术的独特结构及其加密的光学方面。最后，介绍了使用结构彩色材料的光学加密技术的新兴研究方向和当前挑战。

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Structural Color Materials for Optical Anticounterfeiting.

The counterfeiting of goods is growing worldwide, affecting practically any marketable item ranging from consumer goods to human health. Anticounterfeiting is essential for authentication, currency, and security. Anticounterfeiting tags based on structural color materials have enjoyed worldwide and long-term commercial success due to their inexpensive production and exceptional ease of percept. However, conventional anticounterfeiting tags of holographic gratings can be readily copied or imitated. Much progress has been made recently to overcome this limitation by employing sufficient complexity and stimuli-responsive ability into the structural color materials. Moreover, traditional processing methods of structural color tags are mainly based on photolithography and nanoimprinting, while new processing methods such as the inkless printing and additive manufacturing have been developed, enabling massive scale up fabrication of novel structural color security engineering. This review presents recent breakthroughs in structural color materials, and their applications in optical encryption and anticounterfeiting are discussed in detail. Special attention is given to the unique structures for optical anticounterfeiting techniques and their optical aspects for encryption. Finally, emerging research directions and current challenges in optical encryption technologies using structural color materials is presented.

更新日期：2020-04-22

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