通过基底变化来调节手性向列纤维素纳米晶体和介孔二氧化硅膜的虹彩。
Tuning the iridescence of chiral nematic cellulose nanocrystals and mesoporous silica films by substrate variation.
机构信息
Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC V6T 1Z1, Canada.
出版信息
Chem Commun (Camb). 2013 Dec 14;49(96):11296-8. doi: 10.1039/c3cc47337f. Epub 2013 Oct 24.
PMID:24154544
Abstract
We have discovered that the self-assembly of cellulose nanocrystals (CNCs) into chiral nematic phases varies significantly with the substrate and evaporation rate. These variables allow the reflectance peak of iridescent chiral nematic films of CNCs and mesoporous silica templated from CNCs to be tuned over a wide range of wavelengths.
摘要
我们发现，纤维素纳米晶体（CNC）自组装成手性向列相的过程与基底和蒸发速率有很大的关系。这些变量可以使由 CNC 模板化的各向异性手性纳米纤维和介孔二氧化硅的彩虹色反射峰在很宽的波长范围内进行调节。
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