基于铜基金属有机框架材料的CuO气体传感器  

The Preparation of CuO Gas Sensor From Cu-Based Metal Organic Framework

作　　者：王旭[1] 朱礼彤 李思涵 解丽丽[1] 蔡晨 朱志刚[1] WANG Xu;ZHU Litong;LI Sihan;XIE Lili;CAI Chen;ZHU Zhigang(School of Environmental and Materials Engineering,Shanghai Polytechnic University,Shanghai 201209;No.2 High School of East China Normal University,Shanghai 201203,China)

机构地区：[1]上海第二工业大学环境与材料工程学院,上海201209 [2]华东师范大学附属第二中学,上海201203

出　　处：《上海第二工业大学学报》2020年第1期43-49,共7页Journal of Shanghai Polytechnic University

基　　金：国家自然科学基金项目(61471233);上海第二工业大学研究生基金项目(EGD18YJ0068)资助。

摘　　要：以硝酸铜[Cu(NO3)2·3H2O]、均苯三甲酸(H3BTC)为原料,通过水热法制备铜基金属有机框架(metal organic framework,MOF)材料-Cu3(BTC)2·3H2O(HKUST-1),并以此为自牺牲模版,通过煅烧得到八面体形貌的CuO,改变HKUST-1反应温度以及煅烧温度得到不同反应条件下的产物。利用扫描电镜和X射线衍射对前驱体HKUST-1和CuO进行表征。将CuO粉体制成气体传感器,通过静态配气法对传感器进行气敏测试并探究其气敏性能。结果表明,在HKUST-1反应温度为85℃、煅烧温度为500℃时,制备得到的粒径在5μm左右的八面体CuO对硫化氢气体有较好的气敏性能。Cu3(BTC)2-3H2O(HKUST-1)is a copper-based metal organic frame(MOF)material which is prepared by hydrothermal method,with copper nitrate[Cu(NO3)2¢3H2O]and pyromellitic acid(H3BTC)as raw materials.It was used as a self-sacrifice template to obtain octahedral CuO by calcination.The products under different reaction conditions were obtained by changing HKUST-1 reaction temperature and calcination temperature.The precursors HKUST-1 and CuO were characterized by scanning electron microscopy and X-rays,and CuO powder was made into a gas sensor.The gas-sensitivity test of CuO was performed by the static gas distribution method and its gas-sensitive properties were explored.The results show that when the reaction temperature of HKUST-1 is 85℃and the calcination temperature is 500℃,the octahedral CuO with particle size of 5m has good gas sensitivity to hydrogen sulfide.

关 键 词：金属有机框架材料 水热法 氧化铜 气体传感器 

分 类 号：O649[理学—物理化学]