石墨烯-介孔氧化物对有机污染物的吸附、催化及分析检测

项目名称： 石墨烯-介孔氧化物对有机污染物的吸附、催化及分析检测

项目编号： No.21275131

项目类型： 面上项目

立项/批准年度： 2013

项目学科： 数理科学和化学

项目作者： 陈建荣

作者单位： 浙江师范大学

项目金额： 80万元

中文摘要： 本项目拟以功能化石墨烯和介孔氧化物（如ZnO、SnO2、CuO、TiO2及SiO2等）为前驱体，设计、合成多功能石墨烯-介孔氧化物复合材料。利用SEM、TEM、XRD、FT-IR、UV-Vis等技术对其形貌、尺度、晶形及性能等进行表征。采用激光拉曼、全反射FT-IR、电化学等原位表征技术来研究有机污染物分子（简称靶向分子）在石墨烯-介孔氧化物表面的吸附/解吸及催化反应，实现靶向分子的高效富集和痕量检测。建立靶向分子的吸附和催化模型，探讨靶向分子在石墨烯-介孔氧化物表面的吸附和催化机制。考察所制备的石墨烯-介孔氧化物的稳定性、分散性、重复性及再生性，建立便捷、经济及高效的分析方法，用于环境污染物（如污染的河水、湖水等）的检测和修复，为实现功能化石墨烯材料的实际应用奠定基础，拓展其在未来环境污染控制领域中的应用。

中文关键词： 石墨烯；纳米复合材料；吸附；催化；分析检测

英文摘要： In this study, multifunctional graphene-mesoporous oxide (e.g. ZnO, SnO2, CuO, TiO2, and SiO2) is designed and constructed, using functional graphene and mesoporous metal oxide as precursors. Its shapes and sizes, crystals, and relative properties are characterized by many approaches such as SEM, TEM, XRD, FT-IR, and UV-Vis spectra. The adsorption and catalysis of the polluted organic molecules (abbreviated as target molecules) on the as-prepared products are in situ investigated in some detail, through Raman, total-reflection FT-IR, and electrochemistry. The adsorption and catalysis mechanism of the target molecules is explored based on the adsorption and catalysis models, respectively. Apart high enrichment and trace detection towards the target molecules, stability, dispersity, repeatability, and regeneration are also required for these products. Their good performance can be expected to detect and restorate polluted water from revier or lake, as well as developping a facile, low-cost, and high efficient method for pollution molecules. The products will provide a new platform for potential applications, such as environmental pollution control.

英文关键词： graphene；nanocomposites；adsorption；catalysis；analysis and detection