新型二维材料Ti3C2TxMXene制备及其气敏性能研究

被引:2
作者
韩丹
刘志华
刘琭琭
韩晓美
刘东明
禚凯
桑胜波
机构
[1] 太原理工大学信息与计算机学院微纳系统研究中心
基金
国家自然科学基金重点项目;
关键词
二维材料; MXene; Ti3C2Tx; 气体传感器;
D O I
暂无
中图分类号
TB34 [功能材料]; TP212 [发送器(变换器)、传感器];
学科分类号
080501 ; 080202 ;
摘要
随着石墨烯材料的发现,二维材料被人们广泛认识并逐渐应用,相比于传统二维材料,二维过渡金属碳化物(MXene)的力学、磁学和电学性能更加优异.本文分别利用HF溶液和LiF/HCl溶液刻蚀Ti3AlC2获得了Ti3C2Tx样品,通过电子扫描显微镜(SEM)、X射线光电子能谱(XPS)和气敏特性分析,研究了刻蚀剂对Ti3C2Tx材料结构和气敏性能的影响.材料结构分析表明:HF和LiF/HCl刻蚀剂均对Ti3C2Tx材料具有良好的刻蚀效果;气敏性能结果表明:LiF/HCl刻蚀剂制备的Ti3C2Tx的气敏性能优于HF刻蚀剂,并实现了室温下宽范围、较高灵敏和较高稳定地检测NH3.分析认为:LiF/HCl溶液刻蚀制备的Ti3C2Tx材料表面具有较高比例的—O和—OH官能团,是其高传感性能的主要原因.本实验研究可为Ti3C2Tx基传感器件的气敏研究和实际应用奠定一定的理论基础.
引用
收藏
页码:48 / 56
页数:9
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