mno2 nanowires
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2022 ◽  
Author(s):  
Umeshbabu Ediga ◽  
M. Satyanarayana ◽  
Ashok Pullamsetty ◽  
Guruprakash Karkera ◽  
Ponniah Justin

In this work, a bulk quantity of α-MnO2 hierarchical nanowires synthesized by a facile redox reaction between potassium permanganate (KMnO4) and glycine under ambient conditions. The physicochemical characterization results reveal...


FlatChem ◽  
2021 ◽  
pp. 100316
Author(s):  
Muhammad Aadil ◽  
Majid Mahmood ◽  
Muhammad Farooq Warsi ◽  
Ibrahim A Alsafari ◽  
Sonia Zulfiqar ◽  
...  

Author(s):  
Ruiting Guo ◽  
Lianshan Ni ◽  
Hao Zhang ◽  
Xu Gao ◽  
Roya Momen ◽  
...  

2021 ◽  
Vol 42 (10) ◽  
pp. 1724-1731
Author(s):  
Yingdong Chen ◽  
Shujiao Yang ◽  
Hongfei Liu ◽  
Wei Zhang ◽  
Rui Cao
Keyword(s):  

Coatings ◽  
2021 ◽  
Vol 11 (7) ◽  
pp. 860
Author(s):  
Ahmad Umar ◽  
Ahmed A. Ibrahim ◽  
Rajesh Kumar ◽  
Hassan Algadi ◽  
Hasan Albargi ◽  
...  

Herein, we report a chemi-resistive sensing method for the detection of formaldehyde (HCHO) gas. For this, α-MnO2 nanowires were synthesized hydrothermally and examined for ascertaining their chemical composition, crystal phase, morphology, purity, and vibrational properties. The XRD pattern confirmed the high crystallinity and purity of the α-MnO2 nanowires. FESEM images confirmed a random orientation and smooth-surfaced wire-shaped morphologies for as-synthesized α-MnO2 nanowires. Further, the synthesized nanowires with rounded tips had a uniform diameter throughout the length of the nanowires. The average diameter of the α-MnO2 nanowires was found to be 62.18 nm and the average length was ~2.0 μm. Further, at an optimized temperature of 300 °C, the fabricated HCHO sensor based on α-MnO2 nanowires demonstrated gas response, response, and recovery times of 19.37, 18, and 30 s, respectively.


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