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Dynamic Structural Color from Wrinkled Thin Films
Advanced Optical Materials ( IF 9 ) Pub Date : 2020-04-16 , DOI: 10.1002/adom.202000234
Liangwei Zhou 1 , Lili Yang 2 , Yang Liu 2 , Zhao Xu 2 , Jie Yin 1 , Dengteng Ge 2 , Xuesong Jiang 1
Affiliation  

Structural color caused by thin‐film interference is widespread and simple in nature. Many researchers have already showed the reversible color change of structural color system, but it is difficult to regulate dynamically with tunable intensity and viewable angle. Herein, a dynamic structural color platform is reported by combining spontaneous thin film interference and wrinkling phenomenon in nature. This robust yet low cost strategy enables large‐scale and spatially arbitrary preparation of a uniform structural color surface through the whole visible spectral range. Furthermore, the prepared isotropic and anisotropic structural colors on disordered and ordered wrinkled thin films (WTFs) exhibit different optical properties that can be precisely and reversibly regulated by ultraviolet (UV) light and near‐infrared (NIR) light irradiation. This exquisite and tunable structural color platform may find applications in information storage, smart display, anticounterfeiting and encryption.

中文翻译:

皱纹薄膜的动态结构色

薄膜干扰引起的结构颜色在本质上是广泛且简单的。许多研究人员已经显示出结构色彩系统可逆的颜色变化,但是很难通过可调的强度和可视角度进行动态调节。在本文中,通过结合自然界中的自发性薄膜干扰和起皱现象,报道了一种动态的结构色彩平台。这种强大而低成本的策略可以在整个可见光谱范围内大规模且空间任意地准备均匀的结构彩色表面。此外,在无序和有序皱纹薄膜(WTF)上制备的各向同性和各向异性结构色具有不同的光学特性,这些特性可以通过紫外线(UV)和近红外(NIR)光线精确和可逆地调节。
更新日期:2020-06-19
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