Application in photocatalytic degradation of zearalenone based on graphitic carbon nitride

Luminescence - Tập 37 Số 2 - Trang 190-198 - 2022
Li Li1, Xiaoxue Shan1, Zhang Yuchong1, Jin Wang1, Liao Zilong1, Yuxi Gu1, Shuai Chen1, Youjun Jiang1, Jinying Chen1
1Sinograin Chengdu Storage Research Institute Co. Ltd, Chengdu, China

Tóm tắt

AbstractA semiconductor nano‐material was prepared, and its degradation efficiency of zearalenone (ZEN) was studied. The photocatalytic material graphitic carbon nitride (g‐C3N4) was synthesized by the traditional method of hot cracking. Its structure was characterized by X‐ray diffraction (XRD), Fourier‐transform infrared (FTIR), X‐ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The photocatalytic degradation experiment showed that under the irradiation of ultraviolet (UV) lamp (254 nm, including 185 nm), g‐C3N4 could induce photocatalytic effect, which provided a new method for the degradation of ZEN in real powder samples. The experimental conditions of photocatalytic degradation of the primary reference material of ZEN and ZEN in real powder samples were explored. And the degradation products of ZEN were analyzed after high‐performance liquid chromatography–mass spectrometry (HPLC–MS). Under each optimal experimental conditions, the degradation rate on primary reference material of ZEN and ZEN in real powder samples was 96.0% and 50.0%, respectively. The results in this work provide a theoretical reference and practical basis for the photocatalytic degradation of mycotoxin in real powder samples by g‐C3N4.

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Thông tin xuất bản

Luminescence

Tập 37 Số 2

190-198

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