Journal
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
Volume 8, Issue 35, Pages 13176-13184Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acssuschemeng.0c01559
Keywords
cellulose; photoluminescent; superhydrophobic; lanthanide-based nanocrystal; nanotitania
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Funding
- GDAS' Project of Science and Technology Development [2020GDASYL-20200102012]
- Special Project of Innovation Capacity Development of Guangdong Academy of Sciences [2018GDASCX-0105]
- High-Level Talent Start-Up Research Project of Foshan University [gg040945]
- Key Project of Department of Education of Guangdong Province [2016GCZX008]
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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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