The Self‐Assembly of Cellulose Nanocrystals: Hierarchical Design of Visual Appearance,Advanced Materials

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The Self‐Assembly of Cellulose Nanocrystals: Hierarchical Design of Visual Appearance
Advanced Materials ( IF 27.4 ) Pub Date : 2017-12-18 , DOI: 10.1002/adma.201704477
Richard M. Parker ₁ , Giulia Guidetti ₁ , Cyan A. Williams ₁ , Tianheng Zhao ₁ , Aurimas Narkevicius ₁ , Silvia Vignolini ₁ , Bruno Frka-Petesic ₁

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By controlling the interaction of biological building blocks at the nanoscale, natural photonic nanostructures have been optimized to produce intense coloration. Inspired by such biological nanostructures, the possibility to design the visual appearance of a material by guiding the hierarchical self‐assembly of its constituent components, ideally using natural materials, is an attractive route for rationally designed, sustainable manufacturing. Within the large variety of biological building blocks, cellulose nanocrystals are one of the most promising biosourced materials, primarily for their abundance, biocompatibility, and ability to readily organize into photonic structures. Here, the mechanisms underlying the formation of iridescent, vividly colored materials from colloidal liquid crystal suspensions of cellulose nanocrystals are reviewed and recent advances in structural control over the hierarchical assembly process are reported as a toolbox for the design of sophisticated optical materials.

中文翻译：

纤维素纳米晶体的自组装：视觉外观的分层设计。

通过在纳米尺度上控制生物构件的相互作用，天然光子纳米结构已得到优化以产生强烈的着色。受到这种生物纳米结构的启发，通过合理地指导组成成分的分层自组装（理想情况下使用天然材料）来设计材料的视觉外观的可能性是合理设计，可持续制造的诱人途径。在各种各样的生物构件中，纤维素纳米晶体是最有前途的生物来源材料之一，主要是因为它们的丰度，生物相容性和易于组织成光子结构的能力。在这里，虹彩形成的潜在机制

更新日期：2017-12-18

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