scholarly journals Assembly of 3D flower-like NiO hierarchical architectures by 2D nanosheets: synthesis and their sensing properties to formaldehyde

RSC Advances ◽  
2017 ◽  
Vol 7 (6) ◽  
pp. 3540-3549 ◽  
Author(s):  
Xiaoguang San ◽  
Guodong Zhao ◽  
Guosheng Wang ◽  
Yanbai Shen ◽  
Dan Meng ◽  
...  
Keyword(s):  
Reaction Time ◽  
Gas Sensing ◽  
Volume Ratio ◽  
Water Volume ◽  
Synthesis Mechanism ◽  
Sensing Properties ◽  
Solvothermal Route ◽  
Hierarchical Architectures ◽  
2D Nanosheets ◽  
Sensing Performance

NiO flower-like hierarchical architectures were synthesized by a solvothermal route, which exhibited good formaldehyde gas sensing performance. The effect of reaction time and ethanol/water volume ratio on morphologies was investigated and a synthesis mechanism was proposed.

Dynamic Model of Rapeseed Oil Hydrolysis Reaction in Sub-Critical Water

2013 ◽  
Vol 860-863 ◽  
pp. 510-513 ◽  
Author(s):  
Yi Zhe Li ◽  
Hua Wang ◽  
Gui Rong Bao
Keyword(s):  
Activation Energy ◽  
Reaction Time ◽  
Dynamic Model ◽  
Rapeseed Oil ◽  
Reaction Order ◽  
Volume Ratio ◽  
Hydrolysis Reaction ◽  
Water Volume ◽  
Oil Water ◽  
Oil Hydrolysis

Experiments of Rapeseed Oil Hydrolysis Reaction in Sub-Critical Water (250-300°C, 5-60min) are Conducted in this Paper. Results Show that the Best Conditions for Rapeseed Oil Hydrolysis are Reaction Temperature 290°C, Oil-Water Volume Ratio 1:3, Reaction Time 40min, and Conversion Rate 98.9%. Meanwhile, Kinetic Analysis of this Hydrolysis Reaction is Presented. we Learn that Hydrolysis Reaction Order is 0.7778, Activation Energy is 55.34kJ/mol and the Dynamic Model is .

Hydrothermal preparation and gas sensing properties of Zn-doped SnO2 hierarchical architectures

2014 ◽  
Vol 191 ◽  
pp. 45-52 ◽  
Author(s):  
Yue Guan ◽  
Dawei Wang ◽  
Xin Zhou ◽  
Peng Sun ◽  
Haiyu Wang ◽  
...  
Keyword(s):  
Gas Sensing ◽  
Hydrothermal Preparation ◽  
Sensing Properties ◽  
Gas Sensing Properties ◽  
Hierarchical Architectures

A novel rGO-decorated ZnO/BiVO4 heterojunction for the enhancement of NO2 sensing properties

2020 ◽  
Vol 7 (4) ◽  
pp. 1026-1033 ◽  
Author(s):  
Shouli Bai ◽  
Ke Tian ◽  
Ning Han ◽  
Jian Guo ◽  
Ruixian Luo ◽  
...  
Keyword(s):  
Gas Sensing ◽  
Sensing Properties ◽  
Sensing Performance

A novel ZnO/BiVO4/rGO composite exhibits excellent gas sensing performance, which is attributed to the formation of n–n heterojunctions and decoration with rGO.

Controlled synthesis of pyrochlore Pr2Sn2O7 nanospheres with enhanced gas sensing performance

RSC Advances ◽  
2016 ◽  
Vol 6 (26) ◽  
pp. 21564-21570 ◽  
Author(s):  
Qi Liu ◽  
Miao Xu ◽  
Ze-Xian Low ◽  
Wen Zhang ◽  
Feng Tao ◽  
...  
Keyword(s):  
Gas Sensing ◽  
Controlled Synthesis ◽  
Solvothermal Route ◽  
Sensing Performance

Uniform pyrochlore Pr2Sn2O7 nanospheres with the diameters of 20–50 nm were synthesized through a simple solvothermal route and the enhanced gas sensing performances of Pr2Sn2O7 nanospheres could be attributed to the unique mesoporous nanospheres.

scholarly journals Multicomponent Metal Oxide Nanostructures: Fabrication and Study of Core Issues to Improve Gas Sensing Performance

Proceedings ◽  
2018 ◽  
Vol 2 (13) ◽  
pp. 970
Author(s):  
Vardan Galstyan ◽  
Andrea Ponzoni ◽  
Iskandar Kholmanov ◽  
Marta M. Natile ◽  
Antonella Glisenti ◽  
...  
Keyword(s):  
Chemical Sensors ◽  
Gas Sensing ◽  
Cost Effective ◽  
Sensing Properties ◽  
Oxide Nanostructures ◽  
Porous Titania ◽  
Metal Oxide Nanostructures ◽  
Potential Applications ◽  
Core Issues ◽  
Sensing Performance

We have obtained and studied the sensing properties of porous titania-based nanostructures. The materials have been prepared using cost-effective techniques. The morphological and structural analyses of the prepared materials have been performed. The sensing properties of the samples have been studied towards carbon monoxide. The obtained results demonstrate that the prepared structures are promising for the potential applications in the area of chemical sensors for the environmental monitoring.

Gas sensing properties of Cu2O and its particle size and morphology-dependent gas-detection sensitivity

2014 ◽  
Vol 2 (33) ◽  
pp. 13641-13647 ◽  
Author(s):  
Xuejuan Wan ◽  
Jilei Wang ◽  
Lianfeng Zhu ◽  
Jiaoning Tang
Keyword(s):  
Particle Size ◽  
Gas Sensing ◽  
Detection Sensitivity ◽  
Gas Detection ◽  
Sensing Properties ◽  
Gas Sensing Properties ◽  
Key Factor ◽  
Particle Size And Morphology ◽  
Size And Morphology ◽  
Sensing Performance

Particle size and morphology-dependent gas-detection sensitivity were studied, and the results indicated that the particle stacking mode is a key factor influencing gas sensing performance.

scholarly journals Tube in tube ZnO/ZnCo2O4 nanostructure synthesized by facile single capillary electrospinning with enhanced ethanol gas-sensing properties

RSC Advances ◽  
2017 ◽  
Vol 7 (19) ◽  
pp. 11428-11438 ◽  
Author(s):  
Khaled Tawfik Alali ◽  
Jingyuan Liu ◽  
Qi Liu ◽  
Rumin Li ◽  
Zhanshuang Li ◽  
...  
Keyword(s):  
Gas Sensing ◽  
Tubular Structure ◽  
Sensing Properties ◽  
Gas Sensing Properties ◽  
Sensing Performance

Tube in tube nanostructure of ZnO/ZnCo2O4 was achieved using electrospinning technology. The complex tubular structure and n–p heterojunction are potential reasons for the excellent gas sensing performance of ZnO/ZnCo2O4 tube in tube nanostructure.

High aspect ratio In2O3 nanowires: Synthesis, mechanism and NO2 gas-sensing properties

2008 ◽  
Vol 130 (2) ◽  
pp. 802-808 ◽  
Author(s):  
Pengcheng Xu ◽  
Zhixuan Cheng ◽  
Qingyi Pan ◽  
Jiaqiang Xu ◽  
Qun Xiang ◽  
...  
Keyword(s):  
Aspect Ratio ◽  
High Aspect Ratio ◽  
Gas Sensing ◽  
Synthesis Mechanism ◽  
Sensing Properties ◽  
Gas Sensing Properties
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