Disordered Cellulose-Based Nanostructures for Enhanced Light Scattering

被引：46

作者：

Caixeiro, Soraya ^{[1
]}

Peruzzo, Matilda ^{[1
,3
]}

Onelli, Olimpia D. ^{[2
]}

Vignolini, Silvia ^{[2
]}

Sapienza, Riccardo ^{[1
]}

机构：

[1] Kings Coll London, Dept Phys, London WC2R 2LS, England

[2] Univ Cambridge, Dept Chem, Lensfield Rd, Cambridge CB2 1EW, England

[3] Inst Sci & Technol Austria IST Austria, A-3400 Klosterneuburg, Austria

来源：

ACS APPLIED MATERIALS & INTERFACES | 2017年 / 9卷 / 09期

基金：

英国生物技术与生命科学研究理事会; 欧洲研究理事会; 英国工程与自然科学研究理事会;

关键词：

cellulose nanocystals; photonics; scattering; photonic glass; diffusion; disorder; NANOCRYSTALS; FILMS; NANOCOMPOSITES; TRANSPORT;

D O I：

10.1021/acsami.6b15986

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Cellulose is the most abundant biopolymer on Earth. Cellulose fibers, such as the one extracted form cotton or woodpulp, have been used by humankind for hundreds of years to make textiles and paper. Here we show how, by engineering light matter interaction, we can optimize light scattering using exclusively cellulose nanocrystals. The produced material is sustainable, biocompatible, and when compared to ordinary microfiber-based paper, it shows enhanced scattering strength (X4), yielding a transport mean free path as low as 3.5 mu M in the visible light range. The experimental results are in a good agreement with the theoretical predictions obtained with a diffusive model for light propagation.

引用

页码：7885 / 7890

页数：6

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