Hydrothermal synthesis of mesoporous ZnO microspheres as NOX gas sensor materials — Calcination effects on microstructure and sensing performance

Abstract The mixed semiconductor metal oxides as the gas sensor can enhance the sensitivity compared with the metal oxide respectively. In this study, the mesoporous ZnO@Co3O4 nanosphere was prepared through the simple hydrothermal synthesis method of ZIF-L-Zn@Co, the cage construction of mesoporous ZnO@Co3O4 nanosphere was remained unchanged after the calcination of the ZIF-L-Zn@Co at 600℃ for 2 h in the air. The mesoporous ZnO@Co3O4 nanosphere was selected as the gas sensor for the detection of 3-Hydroxy-2-Butanone. Compared with the ZnO and Co3O4 respectively, the mesoporous ZnO@Co3O4 nanosphere as the gas sensor shows the high sensitivity, selectivity and stability.

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Co3O4@PEI/Ti3C2Tx MXene nanocomposites for a highly sensitive NOx gas sensor with a low detection limit

Journal of Materials Chemistry A ◽

10.1039/d0ta11392a ◽

2021 ◽

Author(s):

Baihe Sun ◽

He Lv ◽

Zhuo Liu ◽

Jue Wang ◽

Xue Bai ◽

...

Keyword(s):

Detection Limit ◽

Nitrogen Oxides ◽

Gas Sensor ◽

Gas Sensing ◽

Adsorption Property ◽

Sensor Material ◽

Low Detection Limit ◽

Highly Sensitive ◽

Nox Gas Sensor ◽

Sensing Performance

The CoPM-24 gas sensor material showed an excellent gas sensing performance to nitrogen oxides, that mainly attributed to their excellent adsorption property and unique heterostructure.

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Synthesis and characterisation of gas sensor materials obtained from Pt/Zn/Al layered double hydroxides

Sensors and Actuators B Chemical ◽

10.1016/j.snb.2006.04.025 ◽

2006 ◽

Vol 118 (1-2) ◽

pp. 215-220 ◽

Cited By ~ 21

Author(s):

S. Morandi ◽

F. Prinetto ◽

M. Di Martino ◽

G. Ghiotti ◽

O. Lorret ◽

...

Keyword(s):

Gas Sensor ◽

Layered Double Hydroxides ◽

Sensor Materials ◽

Double Hydroxides

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A Review on Environmental Gas Sensor: Materials and Technologies

Sensors International ◽

10.1016/j.sintl.2021.100116 ◽

2021 ◽

pp. 100116

Author(s):

Shivani Dhall ◽

B.R. Mehta ◽

A.K. Tyagi ◽

Kapil Sood

Keyword(s):

Gas Sensor ◽

Sensor Materials

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Enhancing room-temperature NO2 gas sensing performance based on a metal phthalocyanine/graphene quantum dot hybrid material

RSC Advances ◽

10.1039/d0ra10310a ◽

2021 ◽

Vol 11 (10) ◽

pp. 5618-5628

Author(s):

Wenkai Jiang ◽

Xinwei Chen ◽

Tao Wang ◽

Bolong Li ◽

Min Zeng ◽

...

Keyword(s):

Quantum Dot ◽

Gas Sensor ◽

Hybrid Material ◽

High Performance ◽

Room Temperature ◽

Gas Sensing ◽

Metal Phthalocyanine ◽

Graphene Quantum Dot ◽

Sensing Performance

A high performance gas sensor based on a metal phthalocyanine/graphene quantum dot hybrid material was fabricated for NO2 detection at room-temperature.

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