Ultrathin MOF nanosheet-based resistive sensors for highly sensitive detection of methanol

被引：11

作者：

Dai, Fangna ^{[1
]}

Cui, Xiaoya ^{[3
]}

Luo, Yuwei ^{[1
]}

Zhang, Dongzhi ^{[1
]}

Li, Nanjun ^{[2
]}

Huang, Ying ^{[4
]}

Peng, Yongwu ^{[2
]}

机构：

[1] China Univ Petr East China, Sch Mat Sci & Engn, 66 Changjiang West Rd, Qingdao 266580, Shandong, Peoples R China

[2] Zhejiang Univ Technol, Coll Mat Sci & Engn, Hangzhou 310014, Peoples R China

[3] Tsinghua Univ, Sch Life Sci, Beijing Adv Innovat Ctr Struct Biol, Minist Educ,Key Lab Prot Sci, Beijing 100084, Peoples R China

[4] Southwest Univ Sci & Technol, State Key Lab Environm Friendly Energy Mat, Mianyang 621010, Sichuan, Peoples R China

来源：

CHEMICAL COMMUNICATIONS | 2022年 / 58卷 / 82期

基金：

中国国家自然科学基金;

关键词：

METAL-ORGANIC-FRAMEWORK; ELECTRODES;

D O I：

10.1039/d2cc04230d

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Sensors with high-sensitivity for resistive methanol gas detection are highly desirable. Herein, we report newly designed ultrathin anionic metal-organic framework (MOF) nanosheets (NSs), with an average thickness of 10 nm and an electrical conductivity of 3.77 x 10(-4) S cm(-1). The ultrathin MOF NSs can be used as the active material in an electronic methanol gas sensor, which exhibits high sensitivity toward methanol gas at room temperature, i.e., high R-air/R-gas (363.2 at 100 ppm), fast gas response/recovery speed (6 s/2 s at 20 ppm), long-term stability, and superior cross-selectivity against other interfering gases.

引用

页码：11543 / 11546

页数：4

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