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Published in: Cellulose 2/2018

09-12-2017 | Original Paper

In situ reduction of TiO2 nanoparticles on cotton fabrics through polydopamine templates for photocatalysis and UV protection

Authors: Deshan Cheng, Mantang He, Jianhua Ran, Guangming Cai, Jihong Wu, Xin Wang

Published in: Cellulose | Issue 2/2018

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Abstract

In this work, titanium dioxide (TiO2) nanoparticles were immobilized on the surface of cotton fabrics by in situ reduction on polydopamine (PDA) templates. Evidenced by the results of scanning electron microscopy/energy-dispersive X-ray analysis (SEM–EDX), Fourier transform infrared and X-ray photoelectron spectroscopy (XPS), PDA films were successfully formed on the surface of cotton fabrics as the templates for the in situ reduction. The morphology, chemical composition and crystal structure of the coated cotton fabrics after in situ reduction of TiO2 nanoparticles were characterized by SEM–EDX, XPS and X-ray diffraction, respectively. These results confirmed that anatase TiO2 nanoparticles were well-dispersed on the surface of cotton fabrics. The photocatalysis experiment results indicated that about 90% of methylene blue solution was degraded after UV illumination of the coated cotton fabrics. The thermogravimetric analysis results demonstrated that the TiO2 nanoparticles had little effect on the thermal stability of cotton fabrics. The results of UV protection showed that the value of the ultraviolet protection factor (UPF) of the coated cotton fabrics was 127.2. The UPF value was maintained at 108.8 after five cycles of laundering, indicating excellent durability of the coating in terms of UV protection.

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Literature
Metadata
Title
In situ reduction of TiO2 nanoparticles on cotton fabrics through polydopamine templates for photocatalysis and UV protection
Authors
Deshan Cheng
Mantang He
Jianhua Ran
Guangming Cai
Jihong Wu
Xin Wang
Publication date
09-12-2017
Publisher
Springer Netherlands
Published in
Cellulose / Issue 2/2018
Print ISSN: 0969-0239
Electronic ISSN: 1572-882X
DOI
https://doi.org/10.1007/s10570-017-1606-1

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