High performance humidity sensor based on metal organic framework MIL-101(Cr) nanoparticles

被引：86
|
作者：
Zhang, Jingjing [1 ]
Sun, Liang [3 ]
Chen, Chuan [3 ]
Liu, Man [1 ]
Dong, Wei [1 ]
Guo, Wenbin [1 ]
Ruan, Shengping [1 ,2 ]
机构：
[1] Jilin Univ, Coll Elect Sci & Engn, State Key Lab Integrated Optoelect, Changchun 130012, Peoples R China
[2] State Key Lab Appl Opt, Changchun 130023, Peoples R China
[3] Global Energy Interconnect Res Inst, Beijing 102211, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2017年 / 695卷
基金：
中国国家自然科学基金;
关键词：
Porous nanoparticles; MOFs; MIL-101(Cr); Humidity sensor; Complex impedance; SENSING PROPERTIES; CATALYSIS; PROPERTY; NANOWIRE; COMPLEX; SITES; GEL;
D O I：
10.1016/j.jallcom.2016.11.129
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Metal organic framework MIL-101(Cr) nanoparticles were successfully HF-free synthesized via hydrothermal method and characterized by X-ray diffraction (XRD), scanning electron microscope (SEM) and Nitrogen adsorption-desorption technology. Then resistive humidity sensor was fabricated to investigate humidity sensing properties. The results indicate that the sensor shows high sensitivity and rapid response-recovery time. The impedance changes more than three orders of magnitude in the range of 33 -95% RH at 100 Hz. The response time and recovery time are 17 s and 90 s respectively. Finally, the humidity sensing mechanism was discussed through complex impedance analysis. The results illustrate that porous MIL-101(Cr) nanoparticles have great potential to be used as humidity sensing materials. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：520 / 525
页数：6
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