A novel sensing mechanism for resistive gas sensors based on layered reduced graphene oxide thin films at room temperature
A novel sensing mechanism for resistive gas sensors based on layered reduced graphene oxide thin films at room temperature
复制标题
室温下基于层状还原氧化石墨烯薄膜的电阻式气体传感器的新型传感机制
DOI：
10.1016/j.snb.2014.06.105
复制
发表时间：
2014-11
期刊：
影响因子：
--
通讯作者：
Guangzhong Xie
中科院分区：
文献类型：
--
作者：
Yong Zhou;Yadong Jiang;Tao Xie;Huiling Tai;Guangzhong Xie
为了研究基于还原氧化石墨烯（RGO）的化学电阻的气体传感机制，将层状还原氧化石墨烯喷到叉指电极（IDE）上。研究了所有带有RGO敏感膜的传感器在室温下的敏感性能。结果表明，总流量对所有传感器的初始电阻及其对目标气体的传感响应有显着影响。此外，利用沉积有不同量的RGO溶液的传感器来研究薄膜厚度、传感响应和灵敏度之间的关系。研究发现，沉积 RGO 溶液的适量对于传感器的传感响应和灵敏度至关重要。此外，提出了一种包括片内半导体特性和片间距离变化的混合传感机制来解释一些有趣的现象。所提出的传感机制可以潜在地丰富适用的转导机制。
In order to investigate the gas sensing mechanism of chemiresistors based on reduced graphene oxide (RGO), layered reduced graphene oxide was airbrushed onto interdigital electrodes (IDEs). Sensitive performances of all sensors with RGO sensitive films at room temperature were studied. Results showed that the total flow rate had a significant effect on the initial electric resistance of all sensors and their sensing responses to target gases as well. Besides, sensors with different quantities of deposited RGO solution were utilized to study the relationship among film thickness, sensing response and sensitivity. It was found that appropriate quantity of deposited RGO solution was critical for sensors’ sensing response and sensitivity. Furthermore, a hybrid sensing mechanism including intra-sheet semiconducting characteristics and inter-sheet distance variation was proposed to explain some interesting phenomena. The proposed sensing mechanism can potentially enrich the applicable transduction mechanisms.
登录
查看更多内容
影响因子：
8.6
作者：
Geringer, V.;Liebmann, M.;Morgenstern, M.
通讯作者：
Morgenstern, M.
基于多壁碳纳米管-聚环氧乙烷薄膜的气体传感器用于甲苯蒸气检测
DOI：
10.1016/j.snb.2013.09.079
发表时间：
2014-02
期刊：
Sensors and Actuators B: Chemical
影响因子：
--
作者：
Jiang, Yadong;Xie, Guangzhong;Du, Xiaosong;Tai, Huiling
通讯作者：
Tai, Huiling
基于压阻纳米石墨烯薄膜的超灵敏应变传感器
影响因子：
4
作者：
Guibai Xie;Duoming Wang;Dongxia Shi;Guangyu Zhang
通讯作者：
Guangyu Zhang
影响因子：
10.8
作者：
Chen Y;Guo F;Jachak A;Kim SP;Datta D;Liu J;Kulaots I;Vaslet C;Jang HD;Huang J;Kane A;Shenoy VB;Hurt RH
通讯作者：
Hurt RH
影响因子：
3.5
作者：
H. Hwang;J. Roh;D. D. Lee-D.;J. O. Lim;J. Huh
通讯作者：
H. Hwang;J. Roh;D. D. Lee-D.;J. O. Lim;J. Huh