zno nanorods
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2022 ◽  
Vol 147 ◽  
pp. 107633
Author(s):  
Abdullah Taha Ali ◽  
W. Maryam ◽  
Yu-Wei Huang ◽  
H.C. Hsu ◽  
Naser M. Ahmed ◽  
...  

Author(s):  
Saira Shaheen ◽  
Azhar Iqbal ◽  
Muhammad Ikram ◽  
Muhammad Imran ◽  
Sadia Naz ◽  
...  

Sensors ◽  
2022 ◽  
Vol 22 (1) ◽  
pp. 390
Author(s):  
Pragya Singh ◽  
Firman Mangasa Simanjuntak ◽  
Li-Lun Hu ◽  
Tseung-Yuen Tseng ◽  
Hsiao-Wen Zan ◽  
...  

Nitric oxide (NO) is a toxic gas, which is dangerous for human health and causes many respiratory infections, poisoning, and lung damage. In this work, we have successfully grown ZnO nanorod film on annealed ZnO seed layer in different ambient temperatures, and the morphology of the nanorods sensing layer that affects the gas sensing response to nitric oxide (NO) gas were investigated. To acknowledge the effect of annealing treatment, the devices were fabricated with annealed seed layers in air and argon ambient at 300 °C and 500 °C for 1 h. To simulate a vertical device structure, a silver nanowire electrode covered in ZnO nanorod film was placed onto the hydrothermal grown ZnO nanorod film. We found that annealing treatment changes the seed layer’s grain size and defect concentration and is responsible for this phenomenon. The I–V and gas sensing characteristics were dependent on the oxygen defects concentration and porosity of nanorods to react with the target gas. The resulting as-deposited ZnO seed layer shows better sensing response than that annealed in an air and argon environment due to the nanorod morphology and variation in oxygen defect concentration. At room temperature, the devices show good sensing response to NO concentration of 10 ppb and up to 100 ppb. Shortly, these results can be beneficial in the NO breath detection for patients with chronic inflammatory airway disease, such as asthma.


2022 ◽  
Vol 306 ◽  
pp. 130880
Author(s):  
Chujun Yao ◽  
Jiamin Lin ◽  
Yupeng Qu ◽  
Kai Jiang ◽  
Zhigao Hu ◽  
...  

2022 ◽  
pp. 131637
Author(s):  
Devaraj Bharathi ◽  
Thiruvengadam Nandagopal Jaya Ganesh ◽  
Ranjithkumar Rajamani ◽  
Soumya Pandit ◽  
Deepak Kumar ◽  
...  

2022 ◽  
Vol 123 ◽  
pp. 111922
Author(s):  
Masumeh Saberi Rise ◽  
Abbas Hosseini Ranjbar ◽  
Hadi Noori ◽  
Vahid Saheb

2022 ◽  
pp. 152313
Author(s):  
I. Carlomagno ◽  
I. Lucarini ◽  
V. Secchi ◽  
F. Maita ◽  
D. Polese ◽  
...  

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