Superflexible Wood

被引：168

作者：

Song, Jianwei ^{[1
,2
]}

Chen, Chaoji ^{[2
]}

Wang, Chengwei ^{[2
]}

Kuang, Yudi ^{[1
,2
]}

Li, Yongfeng ^{[2
]}

Jiang, Feng ^{[2
]}

Li, Yiju ^{[2
]}

Hitz, Emily ^{[2
]}

Zhang, Ying ^{[2
]}

Liu, Boyang ^{[2
]}

Gong, Amy ^{[2
]}

Bian, Huiyang ^{[4
]}

Zhu, J. Y. ^{[4
]}

Zhang, Jianhua ^{[3
]}

Li, Jun ^{[1
]}

Hu, Liangbing ^{[2
]}

机构：

[1] South China Univ Technol, State Key Lab Pulp & Paper Engn, Guangzhou 510640, Guangdong, Peoples R China

[2] Univ Maryland, Dept Mat Sci & Engn, College Pk, MD 20742 USA

[3] NIDDK, Metab Dis Branch, NIH, Bethesda, MD 20892 USA

[4] US Forest Serv, Forest Prod Lab, Madison, WI 53726 USA

来源：

ACS APPLIED MATERIALS & INTERFACES | 2017年 / 9卷 / 28期

关键词：

wood chemistry; 3D porous structure; cellulose nanofibers; biocompatible; flexible; FLEXIBLE SUPERCAPACITORS; LOW-TORTUOSITY; CELLULOSE; TRANSPARENT; FIBERS; ELECTRONICS; PAPER;

D O I：

10.1021/acsami.7b06529

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Flexible porous membranes have attracted increasing scientific interest due to their wide applications in flexible electronics, energy storage devices, sensors, and bioscaffolds. Here, inspired by nature, we develop a facile and scalable top-down approach for fabricating a superflexible, biocompatible, biodegradable three-dimensional (3D) porous membrane directly from natural wood (coded as flexible wood membrane) via a one-step chemical treatment. The superflexibility is attributed to both physical and chemical changes of the natural wood, particularly formation of the wavy structure formed by simple delignification induced by partial removal of lignin/hemicellulose. The flexible wood membrane, which inherits its unique 3D porous structure with aligned cellulose nanofibers, biodegradability, and biocompatibility from natural wood, combined with the superflexibility imparted by a simple chemical treatment, holds great potential for a range of applications. As an example, we demonstrate the application of the flexible, breathable wood membrane as a 3D bioscaffold for cell growth.

引用

页码：23520 / 23527

页数：8

共 44 条

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