Highly sensitive and selective SO2 MOF sensor: the integration of MFM-300 MOF as a sensitive layer on a capacitive interdigitated electrode

被引：139

作者：

Chernikova, Valeriya ^{[1
]}

Yassine, Omar ^{[2
]}

Shekhah, Osama ^{[1
]}

Eddaoudi, Mohamed ^{[1
]}

Salama, Khaled N. ^{[2
]}

机构：

[1] King Abdullah Univ Sci & Technol KAUST, Div Phys Sci & Engn, Adv Membranes & Porous Mat Ctr, Funct Mat Design,Discovery & Dev Res Grp FMD3, Thuwal 239556900, Saudi Arabia

[2] King Abdullah Univ Sci & Technol KAUST, Elect & Math Sci & Engn Div, Elect Engn Program, Sensors Lab,Comp, Thuwal 239556900, Saudi Arabia

来源：

JOURNAL OF MATERIALS CHEMISTRY A | 2018年 / 6卷 / 14期

关键词：

METAL-ORGANIC FRAMEWORKS; SULFUR-DIOXIDE; THIN-FILMS; GAS SENSORS; CHEMICAL SENSORS; ROOM-TEMPERATURE; POROUS HOST; CO2; ADSORPTION; SURFACE;

D O I：

10.1039/c7ta10538j

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：

We report on the fabrication of an advanced chemical capacitive sensor for the detection of sulfur dioxide (SO2) at roomtemperature. The sensing layer based on an indium metal-organic framework (MOF), namely MFM-300, is coated solvothermally on a functionalized capacitive interdigitated electrode. The fabricated sensor exhibits significant detection sensitivity to SO2 at concentrations down to 75 ppb, with the lower detection limit estimated to be around 5 ppb. The MFM-300 MOF sensor demonstrates highly desirable detection selectivity towards SO2 vs. CH4, CO2, NO2 and H-2, as well as an outstanding SO2 sensing stability.

引用

页码：5550 / 5554

页数：5

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