CdS纳米材料的制备及气敏性能研究  

Study on preparation and gas-sensing performance of nanometer material CdS

作　　者：娄向东[1] 贾晓华[1] 王晓兵[1] 

机构地区：[1]河南师范大学化学与环境科学学院,河南新乡453007

出　　处：《传感器技术》2005年第8期22-24,共3页Journal of Transducer Technology

基　　金：河南省自然科学基金资助项目(0211062500)

摘　　要：采用室温固相反应法制备了纳米CdS粉体。用X射线衍射仪(XRD)对产物进行物相分析,投射电镜(TEM)对产物的形貌、大小进行了表征。结果表明:CdS在608℃以下能在空气中稳定存在,采用静态配气法测定了材料的气敏性能,发现CdS对C2H5OH有很高的灵敏度与选择性,是一种有较好的应用前景的气敏材料。Nanometer CdS is prepared by solid state reaction at room temperature. Powder X-ray diffraction （XRD） patterns indicate that the products are hexagonal phase CdS,and TEM is used to determine the shape and size of CdS. The result indicates that at the temperature of 608℃ CdS can exist in air steadily and measure gas sensing characteristic of the material. It is found that CdS is high sensitivity and selectivity to C2H5OH ,and it is a kind of gas-sensing material which has better prospect.

关 键 词：CdS纳米材料 气敏性能 室温固相合成 

分 类 号：TP212.2[自动化与计算机技术—检测技术与自动化装置]