Facile Fabrication of Superhydrophobic and Photoluminescent TEMPO-Oxidized Cellulose-Based Paper for Anticounterfeiting Application
- Qing WangQing WangGuangdong Provincial Bioengineering Institute (Guangzhou Sugarcane Industry Research Institute), Guangdong Biomaterials Engineering Technology Research Center, Guangzhou 510316, ChinaMore by Qing Wang,
- Dong XieDong XieGuangdong Provincial Bioengineering Institute (Guangzhou Sugarcane Industry Research Institute), Guangdong Biomaterials Engineering Technology Research Center, Guangzhou 510316, ChinaMore by Dong Xie,
- Junjia ChenJunjia ChenGuangdong Provincial Bioengineering Institute (Guangzhou Sugarcane Industry Research Institute), Guangdong Biomaterials Engineering Technology Research Center, Guangzhou 510316, ChinaMore by Junjia Chen,
- Guang LiuGuang LiuSericultural & Agri-Food Research Institute, Guangdong Academy of Agricultural Sciences, Key Laboratory of Functional Foods, Ministry of Agriculture, Guangdong Key Laboratory of Agricultural Products Processing, Guangzhou 510610, ChinaMore by Guang Liu, and
- Mingguang Yu*
A facile and versatile route to fabricate photoluminescent and robust superhydrophobic dual-functional paper was reported. The approach was based on lanthanide-based nanocrystal/nanotitania-doped cellulose fibers with a well-defined micro–nanohierarchical microstructure. Specifically, the cellulose fibers were first treated with the process of 2,2,6,6-tetramethyl-1-piperidinyloxy (TEMPO) oxidation. The treated cellulose was then used as a template for the surface chemical deposition of rare-earth ions and subsequent hydrolysis reaction of tetraethyl titanate forming lanthanide-based nanocrystal/nanotitania-doped cellulose fibers. After paper-making and hydrophobicity treatment, the obtained paper possessed excellent luminescence, superhydrophobic, and self-cleaning properties. This synthesis route designed here has the advantages of mass production of biobased photoluminescent materials for anticounterfeiting applications.
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