The role of Ni doping on photoelectric gas-sensing properties of ZnO nanofibers to HCHO at room-temperature

RSC Advances ◽  
2016 ◽  
Vol 6 (82) ◽  
pp. 78257-78263 ◽  
Author(s):  
Jiabao Cui ◽  
Jingjing Jiang ◽  
Linqi Shi ◽  
Fei Zhao ◽  
Dejun Wang ◽  
...  

Ni doping can significantly enhance the concentration of donors, and it is benefit for improving the response of the sensors to HCHO gas.

2019 ◽  
Vol 30 (18) ◽  
pp. 17094-17105
Author(s):  
Akshay Krishnakumar ◽  
Parthasarathy Srinivasan ◽  
Arockia Jayalatha Kulandaisamy ◽  
K. Jayanth Babu ◽  
John Bosco Balaguru Rayappan

2019 ◽  
Vol 6 (8) ◽  
pp. 086419 ◽  
Author(s):  
B Soltabayev ◽  
I Karaduman Er ◽  
H Surel ◽  
A Coşkun ◽  
M A Yıldırım ◽  
...  

2017 ◽  
Vol 19 (29) ◽  
pp. 19043-19049 ◽  
Author(s):  
Shuai Wang ◽  
Da Huang ◽  
Shusheng Xu ◽  
Wenkai Jiang ◽  
Tao Wang ◽  
...  

Defects caused by Al3+doping significantly affect the gas-sensing properties of NiO nanosheets.


2018 ◽  
Vol 325 ◽  
pp. 17-23 ◽  
Author(s):  
Tian-tian Li ◽  
Ren-rong Zheng ◽  
Hui Yu ◽  
Long Xia ◽  
Ying Yang ◽  
...  

2019 ◽  
Vol 30 (9) ◽  
pp. 8371-8380 ◽  
Author(s):  
S. B. Kulkarni ◽  
Y. H. Navale ◽  
S. T. Navale ◽  
F. J. Stadler ◽  
V. B. Patil

2014 ◽  
Vol 2 (39) ◽  
pp. 16697-16706 ◽  
Author(s):  
Shouli Bai ◽  
Song Chen ◽  
Yangbo Zhao ◽  
Teng Guo ◽  
Ruixian Luo ◽  
...  

The response of ZnO nanofibers is significantly enhanced via Cd doping, which can be attributed to the change of defects in ZnO and has been confirmed by PL and XPS analysis.


2006 ◽  
Vol 915 ◽  
Author(s):  
Roberto Mosca ◽  
Mingzheng Zha ◽  
Davide Calestani ◽  
Laura Lazzarini ◽  
Giancarlo Salviati ◽  
...  

AbstractSnO2 nanowires have been recently employed in the “gas-sensors” field and excellent results of conductometric and optical tests on SnO2 nanowires-based gas sensors have been reported.However, the mechanism that controls the gas-sensing effect in metal oxides nanowires is not fully understood yet. Here the authors present the first results of an in-depth study about the influence of post growth treatments on the physical and gas sensing properties of SnO2 nanowires.In particular, SnO2 nanowires grown by a vapour transport technique were annealed in a oxygen-rich atmosphere and then characterized by different techniques to assess the influence of the treatment on the nanowires properties.The annealing in oxygen atmosphere is shown to strongly affect the PL and CL spectra, the electrical resistivity as well as the gas sensing properties of the nanowires. The obtained results are consistent with a reduction of the oxygen vacancies concentration induced by the O2 treatment and seem to confirm the role of these defects in affecting the gas response of SnO2 nanowires-based sensors.


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