三维石墨烯/聚噻吩杂化材料制备及室温气敏性能  

Preparation and gas sensing property of three dimensional graphene/polythiophene nanocomposite

作　　者：田俊峰[1,2] 尹志刚[2] 蒋登高[1] 

机构地区：[1]郑州大学化工与能源学院,郑州450001 [2]郑州轻工业学院河南省表界面科学重点实验室,郑州450001

出　　处：《化工新型材料》2017年第6期55-57,共3页New Chemical Materials

摘　　要：以三维石墨烯和噻吩为原料,利用化学氧化聚合法合成二元杂化材料三维石墨烯/聚噻吩(3D-rGO/PTh),噻吩单体在载体石墨烯片的表面发生聚合反应。杂化材料表征使用扫描电镜、红外光谱仪和比表面测试仪。结果表明,杂化材料有大量空隙,具有较大的比表面积。室温下,石墨烯质量含量7%时,复合物对NO_2具有较好的气敏性能,NO_2浓度10×10^(-6)时,灵敏度达到34.1。复合材料气敏性能提高的原因在于大比表面积和协同效应。NO_2 gas sensor based on three dimensional graphene/polythiophene（3D-rGO/PTh）hybrid was presented.PTh were anchored on the surface of 3D-rGO sheets by using 3D-rGO as templates.The developed hybrid was characterized by SEM,FT-IR and BET analysis.The NO_2 gas sensing performance of hybrid was studied and compared with that of the sensor based on bare PTh.3D-rGO/PTh showed better response to NO_2 gas than that of bare PTh.The sensitivity could reach 34.1for NO_2 of 10×10^（-6）.It shown that the synergetic behavior and large surface area allowed excellent sensitivity.

关 键 词：三维石墨烯 聚噻吩 气敏 室温 

分 类 号：TB34[一般工业技术—材料科学与工程]