光催化
纳米复合材料
拉曼光谱
傅里叶变换红外光谱
X射线光电子能谱
降级(电信)
化学工程
材料科学
热液循环
化学
核化学
纳米技术
有机化学
催化作用
电信
光学
物理
工程类
计算机科学
作者
Juncong Xu,Shufen Su,Xianliang Song,Shucan Luo,Shengying Ye,Wenbei Situ
出处
期刊:Food Chemistry
[Elsevier BV]
日期:2022-12-16
卷期号:408: 135228-135228
被引量:4
标识
DOI:10.1016/j.foodchem.2022.135228
摘要
A simple nanocomposite photocatalyst HT-rGO/TiO2 for deoxynivalenol (DON) degradation was synthesized by hydrothermal method to maintain the quality of cereal grains and byproducts. The characterization of HT-rGO/TiO2 was analyzed by XRD, FTIR, Raman spectroscopy, and XPS. Moreover, according to UV-vis DRS analysis, HT-rGO/TiO2 had a smaller band gap, indicating a wider response range to light and a higher utilized rate of quantum photons. Additionally, the results of LC-MS showed that the hydroxyl group at the C3 position, and the unsaturated bond between C9 and C10, and the epoxy group at C12 and C13 positions of DON molecule were destroyed step by step by photocatalytic degradation. These groups have active effects on the DON toxicity, which means it is successful to degrade DON in liquid-food by HT-rGO/TiO2 photocatalyst.
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