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中国科学院理化所在响应型3D水凝胶结构色及其应用方面取得新进展(图)
水凝胶结构色 应用方面 光学编码 纳米结构
2023/8/17
结构色是由入射光照射到具有微纳结构的表面而产生的一种物理色,具有稳定、环保、耐久等特点,在防伪、光学编码以及智能显示等领域有广泛的应用前景。响应型结构色能够在外界刺激(如温度、pH、光、湿度和磁场等)的作用下调节颜色。溶剂蒸气作为一种气体刺激因子,不仅能够有效避免外界刺激对微纳结构的直接接触而带来不可逆的损伤,而且还可以实现结构色的动态调控。然而制备具有简单微/纳米结构的结构色,并实现其可逆循环的...
Swelling and Folding as Mechanisms of 3D Shape Formation in Thin Elastic Sheets
elasticity folding geometry origami swelling thin sheets
2014/11/20
We work with two different mechanisms to generate geometric frustration on thin elastic sheets; isotropic differential growth and folding. We describe how controlled growth and prescribing folding pat...
Efficient Computation of Casimir Interactions between Arbitrary 3D Objects with Arbitrary Material Properties
Efficient Computation Casimir Interactions Arbitrary 3D Objects Arbitrary Material Properties
2010/11/9
We extend a recently introduced method for computing Casimir forces between arbitrarily--shaped metallic objects [M. T. H. Reid et al., Phys. Rev. Lett._103_ 040401 (2009)] to allow treatment of objec...