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Nanomaterials (Basel). 2019 Sep 15;9(9). pii: E1322. doi: 10.3390/nano9091322.

A Highly Efficient and Durable Fluorescent Paper Produced from Bacterial Cellulose/Eu Complex and Cellulosic Fibers.

Author information

1
State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, China.
2
State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, China. fezyxiang@scut.edu.cn.
3
State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, China. fefclv@scut.edu.cn.
4
Guangdong Engineering Research Center for Green Fine Chemicals, Guangzhou 510640, China. fefclv@scut.edu.cn.

Abstract

The general method of producing fluorescent paper by coating fluorescent substances onto paper base faces the problems of low efficiency and poor durability. Bacterial cellulose (BC) with its nanoporous structure can be used to stabilize fluorescent particles. In this study, we used a novel method to produce fluorescent paper by first making Eu/BC complex and then processing the complex and cellulosic fibers into composite paper sheets. For this composting method, BC can form very stable BC/Eu complex due to its nanoporous structure, while the plant-based cellulosic fibers reduce the cost and provide stiffness to the materials. The fluorescent paper demonstrated a great fluorescent property and efficiency. The ultraviolet absorbance or the fluorescent intensity of the Eu-BC fluorescent paper increased with the increase of Eu-BC content but remained little changed after Eu-BC content was higher than 5%. After folding 200 times, the fluorescence intensity of fluorescent paper decreased by only 0.7%, which suggested that the Eu-BC fluorescent paper has great stability and durability.

KEYWORDS:

Eu ion; bacterial cellulose; cellulosic fiber; complex; durability; fluorescent paper

PMID:
31540169
DOI:
10.3390/nano9091322
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