中国矿业大学(北京)化学与环境工程学院，北京 100083
收稿日期:2018-01-03修回日期:2018-02-08出版日期:2018-10-22发布日期:2018-10-12通讯作者:刘红缨基金资助:国家重点基础研究发展规划(973)基金资助项目Graphene quantum dots modified flexible silicon nanowires array for NO2 detection
Qian PAN, Wenyu SHANG, Rongxin ZHU, Hongying LIU*School of Chemical and Environmental Engineering, China University of Mining & Technology, Beijing 100083, China
Received:2018-01-03Revised:2018-02-08Online:2018-10-22Published:2018-10-12摘要/Abstract
摘要： 将化学刻蚀法与金属辅助刻蚀法相结合，制备了形貌统一、分布均匀的高质量柔性硅纳米线阵列结构，用石墨烯量子点对其表面进行修饰，得到了表面稳定且具有强载流子传输能力的柔性石墨烯量子点/硅纳米线核?壳结构阵列，用其制备气敏设备检测NO2. 结果表明，基于该阵列的电阻式气敏设备对NO2的检测灵敏性及可重复性极高，检测浓度极限达20 mg/m3；不同弯曲度的柔性石墨烯量子点/硅纳米线阵列的气敏特性未大幅度降低，弯曲90o时响应电流峰值为未弯曲时的70%.
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潘乾 尚文喻 朱蓉鑫 刘红缨. 石墨烯量子点修饰柔性硅纳米线阵列用于NO2检测[J]. 过程工程学报, 2018, 18(5): 1061-1067.
Qian PAN Wenyu SHANG Rongxin ZHU Hongying LIU. Graphene quantum dots modified flexible silicon nanowires array for NO2 detection[J]. Chin. J. Process Eng., 2018, 18(5): 1061-1067.
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