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

页码：520 / 525

页数：6

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