Hu Chao, Huang Haiping, Yan Yu, Hu Yongmei, Liu Sui-Jun, Wen He-Rui
Jiangxi Provincial Key Laboratory of Functional Molecular Materials Chemistry, School of Chemistry and Chemical Engineering, Jiangxi University of Science and Technology, Ganzhou, China.
Key Laboratory of Testing and Tracing of Rare Earth Products for State Market Regulation, Jiangxi University of Science and Technology, Ganzhou, China.
Front Chem. 2022 May 17;10:907777. doi: 10.3389/fchem.2022.907777. eCollection 2022.
simple hydrothermal method, CeO was grown onto the CNTs to form CeO/CNTs nanocomposites were synthesized with cerium nitrate as Ce resource. The morphology and structure were characterized by transmission electron microscopy and X-ray diffraction. The characterizations reveal that CeO nanoparticles are uniformly dispersed onto the surface of the pre-acidified CNTs. The electrochemical property of the synthesized nanocomposite was investigated in 0.1 M KCl electrolyte containing 2 mM [Fe(CN)]. The nanocomposites were employed to fabricate electrochemical sensor for phenol detection. The linear range for phenol detection measured by the differential pulse voltammetry method is 1-500 μM. The sensor also exhibits good selectivity, reproducibility and stability. When applied for the river and tap water analysis, it shows good recovery rate.
采用简单水热法，以硝酸铈为铈源，在碳纳米管（CNTs）上生长二氧化铈（CeO）以形成CeO/CNTs纳米复合材料。通过透射电子显微镜和X射线衍射对其形貌和结构进行了表征。表征结果表明，CeO纳米颗粒均匀地分散在预酸化的CNTs表面。在含有2 mM [Fe(CN)]的0.1 M KCl电解质中研究了合成的纳米复合材料的电化学性能。该纳米复合材料被用于制造用于苯酚检测的电化学传感器。采用差分脉冲伏安法测量的苯酚检测线性范围为1 - 500 μM。该传感器还具有良好的选择性、重现性和稳定性。应用于河水和自来水分析时，显示出良好的回收率。
