高温合成结晶多孔氧化钴及其催化苯的燃烧

High Temperature Synthesis of Crystalline Porous Co_3O_4 and its Application for Catalyzing Benzene Combustion

通过高温水热技术制备高度晶化的多孔氧化钴并研究其在催化苯类VOCs消除中的应用。多孔结构的形成通过硝酸钴与聚四乙烯基吡啶酸碱对自组装实现,经过高温水热处理(180℃)完成孔壁晶化。XRD测试表面该材料具有高度晶化的孔壁结构。电子显微镜技术测试发现制备的氧化钴材料具有丰富的表面纳米多孔结构。催化性能测试发现该材料在温和的条件下即可以实现苯类VOCs的完全催化氧化,该材料将在催化氧化VOCs具有重要的应用价值。

Crystalline nanoporous Co 2 O3 （ M-Co2 O3 ） and its application for benzene combustion was presented.M-Co2 O3 was synthesized from self assembly of Co precursor with poly 4-vinylpyridine （ P4VP） template based on their acid-base interactions , hydrothermally treatment at 180 ℃and calcination at 550 ℃for 5 h.XRD pattern showed that M-Co2 O3 had highly crystalline degree.Electron microscopy images showed that M -Cr2 O3 has rough surface characters and abundant nanoporosity.Catalytic test shows that M -Co2 O3 exhibits good catalytic activities for benzene combustion , which was very important for its wide applications in the areas of VOCs oxidation.