纳米纤维素制备碳掺杂ZnO及其对四环素的光催化降解性能

doi:10.3969/j.issn.0253-2417.2019.05.016

Abstract

Abstract: Carbon-doped zinc oxide (C-ZnO) was prepared by hydrothermal synthesis using nanocellulose (CNF) as an inducing agent. C-ZnO was characterized by XRD, FT-IR, SEM and DRS. The photocatalytic degradation of tetracycline by C-ZnO was investigated. It was found that nanocellulose-induced ZnO had good dispersibility, reduced grain size and carbon doping with narrow band gap. Compared with ordinary zinc oxide, C-ZnO didn't affect the physical adsorption of tetracycline. But it had faster degradation rate of tetracycline in the photocatalytic process. When the hydrothermal temperature of C-ZnO was 200℃, n(Zn²⁺):n(OH^-) was 1:4 and the mass ratio of zinc nitrate to nanocellulose was 100:1, the removal of tetracycline was up to 96.1% with 120 min light irradiation.

Key words: zinc oxide, nanocellulose, carbon doping, photocatalysis, tetracycline

CLC Number:

TQ35

SHAN Yiwei, WU Hui, XIAO He, CHEN Lihui, HUANG Liulian. Preparation of Carbon-doped Zinc Oxide Induced by Nanocellulose and Its Photocatalytic Degradation Properties of Tetracycline[J]. Chemistry and Industry of Forest Products, 2019, 39(5): 115-120.

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Preparation of Carbon-doped Zinc Oxide Induced by Nanocellulose and Its Photocatalytic Degradation Properties of Tetracycline

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