Low temperature solution-based synthesis of porous flower-like α-Fe2O3 superstructures and their excellent gas-sensing properties

2011 ◽  
Vol 160 (1) ◽  
pp. 1372-1379 ◽  
Author(s):  
Wei Yan ◽  
Huiqing Fan ◽  
Yuchun Zhai ◽  
Chao Yang ◽  
Pengrong Ren ◽  
...  
Keyword(s):  
Low Temperature ◽  
Gas Sensing ◽  
Sensing Properties ◽  
Gas Sensing Properties ◽  
Temperature Solution

scholarly journals A novel composite of CdS nanorods growing on a polyaniline-Cd2+ particles surface with excellent formaldehyde gas sensing properties at low temperature

RSC Advances ◽  
2018 ◽  
Vol 8 (54) ◽  
pp. 30747-30754 ◽  
Author(s):  
Ling Zhang ◽  
Xifeng Li ◽  
Zonggang Mu ◽  
Jing Miao ◽  
Kun Wang ◽  
...  
Keyword(s):  
Hydrothermal Synthesis ◽  
Low Temperature ◽  
Gas Sensing ◽  
Synthesis Method ◽  
Hexagonal Wurtzite Structure ◽  
Wurtzite Structure ◽  
Sensing Properties ◽  
Cds Nanorods ◽  
Gas Sensing Properties ◽  
Structure Phase

A novel composite, CdS nanorods growing on a polyaniline-Cd2+ particles surface (CdS/PANI) with a hexagonal wurtzite structure phase, was prepared using a hydrothermal synthesis method.

scholarly journals Synthesis, Characterization and Gas Sensing Study of ZnO-SnO2 Nanocomposite Thin Films

Chemosensors ◽  
2021 ◽  
Vol 9 (6) ◽  
pp. 124
Author(s):  
Victor V. Petrov ◽  
Victor V. Sysoev ◽  
Aleksandra P. Starnikova ◽  
Maria G. Volkova ◽  
Zamir Kh. Kalazhokov ◽  
...  
Keyword(s):  
Low Temperature ◽  
Tin Dioxide ◽  
Gas Sensing ◽  
Solid Phase ◽  
Nanocomposite Films ◽  
Oxide Material ◽  
X Ray ◽  
Sensing Properties ◽  
Gas Sensing Properties ◽  
Low Temperature Pyrolysis

Thin nanocomposite films composed of ZnO and SnO2 at 0.5–5 mol.% concentrations were synthesized by a new solid-phase low-temperature pyrolysis under the developed protocols. This hetero-oxide material was thoroughly studied by X-ray diffraction analysis (XRD), scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS) and Auger electron spectroscopy (AES) techniques to be compared with electrical and gas-sensing properties. We have found that the films have a poly-nanocrystal structure of ZnO and SnO2 crystals with characteristic grain sizes at 10–15 nm range. When comparing the chemiresistive response of the films with varied tin dioxide content, the sample of Sn:Zn optimum ratio taken as 1:99 yields 1.5-fold improvement upon to 5–50 ppm NO2 exposure at 200 °C. We argue that these remarkable changes have matured from both a reducing the intergrain potential barrier down to 0.58 eV and increasing the concentration of anionic vacancies at this rational composite. The results demonstrate that solid-phase low-temperature pyrolysis is a powerful technique for adjusting the functional gas-sensing properties of hetero-oxide film via modifying the ratio of the oxide components.

Novel low-temperature growth of SnO2 nanowires and their gas-sensing properties

2013 ◽  
Vol 68 (6) ◽  
pp. 408-411 ◽  
Author(s):  
R. Rakesh Kumar ◽  
Mitesh Parmar ◽  
K. Narasimha Rao ◽  
K. Rajanna ◽  
A.R. Phani
Keyword(s):  
Low Temperature ◽  
Gas Sensing ◽  
Temperature Growth ◽  
Sensing Properties ◽  
Low Temperature Growth ◽  
Sno2 Nanowires ◽  
Gas Sensing Properties

Controlled synthesis of Ni-doped ZnO hexagonal microdiscs and their gas sensing properties at low temperature

2017 ◽  
Vol 689 ◽  
pp. 92-99 ◽  
Author(s):  
R. Sankar Ganesh ◽  
E. Durgadevi ◽  
M. Navaneethan ◽  
V.L. Patil ◽  
S. Ponnusamy ◽  
...  
Keyword(s):  
Low Temperature ◽  
Gas Sensing ◽  
Controlled Synthesis ◽  
Sensing Properties ◽  
Gas Sensing Properties ◽  
Doped Zno
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