Metal-organic framework-derived hierarchical flower-like Mo-doped Co3O4 for enhanced triethylamine sensing properties

被引：35

作者：

Du, Liyong ^{[1
]}

Sun, Heming ^{[2
]}

Liu, Yi ^{[3
]}

机构：

[1] Taiyuan Univ, Dept Mat & Chem Engn, Taiyuan 030032, Peoples R China

[2] Jilin Univ, Coll Phys, Changchun 130012, Peoples R China

[3] Hainan Univ, Sch Sci, Dept Phys, Haikou 570228, Hainan, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2022年 / 900卷

关键词：

MOFs; Co3O4; Mo doping; TEA; Gas sensor; ONE-STEP SYNTHESIS; LIGHT IRRADIATION; HOLLOW CUBES; GAS; PERFORMANCE; FORMALDEHYDE; HETEROSTRUCTURE; NANOSTRUCTURES; NANOARRAYS; NANOSHEETS;

D O I：

10.1016/j.jallcom.2021.163470

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 frameworks (MOFs) derived oxide semiconductors have drawn more and more attention in many fields due to their unique structural merits. Herein, hierarchical flower-like Mo-doped Co3O4 derived Co-MOF has been synthesized through a solvothermal method and following annealing process. The gas sensing measurements show that the sensing properties of Mo-doped Co3O4 sample are far superior than that of pure Co3O4. In particular, 1 at% Mo-doped Co3O4 sample exhibits high response values of 92-50 ppm TEA at 180 degrees C, which are about 46 times than that of pure Co(3)O(4 )Sample. In addition, it shows short recovery time (33 s), excellent gas selectivity, good repeatability and long-term stability. The improved gas sensing performance can be ascribed to Mo doping and hierarchical flower-like microstructure. (C) 2021 Elsevier B.V. All rights reserved.

引用

页数：10

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