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18.02.2021 | Original Research

A recyclable 3D g-C₃N₄ based nanocellulose aerogel composite for photodegradation of organic pollutants

verfasst von: Zixuan Ma, Peiwen Zhou, Linping Zhang, Yi Zhong, Xiaofeng Sui, Bijia Wang, Yimeng Ma, Xueling Feng, Hong Xu, Zhiping Mao

Erschienen in: Cellulose | Ausgabe 6/2021

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Abstract

It is difficult to recycle photocatalysts for water purification when they are in aqueous suspension. Cellulose aerogels with porous structure and biodegradability are promising carriers for photocatalysts that can be used to solve many environmental problems. In this study, a 3D recyclable g-C₃N₄@cellulose aerogel for photocatalytic degradation of pollutants was synthesized using a facile chemical cross-linking method. g-C₃N₄@cellulose aerogel (30% loading) exhibited excellent photocatalytic activity up to 99.0% degradation. In addition, the g-C₃N₄@cellulose aerogel exhibited high recyclability and structural stability while the photocatalytic efficiency is not significantly reduced in cycling tests. The photocatalyst was optimized using high temperature calcination, resulting in 95.35 m² g⁻¹ actual surface determined from Brunner–Emmet–Teller measurements. Therefore, aggregation of the photocatalyst can be avoided by the cellulose aerogel support whilst the photocatalytic property remained as efficient as its powder form. Such composites may become attractive material for practical applications.

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Vorheriger Artikel Fabrication of AgCl@tannic acid-cellulose hydrogels for NaBH4-mediated reduction of 4-nitrophenol

Nächster Artikel Cellulose/carbon nanotube/MnO2 composite electrodes with high mass loadings for symmetric supercapacitors

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Titel: A recyclable 3D g-C3N4 based nanocellulose aerogel composite for photodegradation of organic pollutants
verfasst von: Zixuan Ma
Peiwen Zhou
Linping Zhang
Yi Zhong
Xiaofeng Sui
Bijia Wang
Yimeng Ma
Xueling Feng
Hong Xu
Zhiping Mao
Publikationsdatum: 18.02.2021
Verlag: Springer Netherlands
Erschienen in: Cellulose / Ausgabe 6/2021
Print ISSN: 0969-0239
Elektronische ISSN: 1572-882X
DOI: https://doi.org/10.1007/s10570-021-03748-3

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