Synthesis of Pd nanoparticle-decorated SnO2 nanowires and determination of the optimum quantity of Pd nanoparticles for highly sensitive and selective hydrogen gas sensor

2020 ◽  
Vol 322 ◽  
pp. 128651
Author(s):  
Zhicheng Cai ◽  
Sunghoon Park
Keyword(s):  
Gas Sensor ◽  
Pd Nanoparticles ◽  
Hydrogen Gas ◽  
Pd Nanoparticle ◽  
Optimum Quantity ◽  
Sno2 Nanowires ◽  
Highly Sensitive

Highly sensitive and selective hydrogen gas sensor using sputtered grown Pd decorated MnO2 nanowalls

2016 ◽  
Vol 234 ◽  
pp. 8-14 ◽  
Author(s):  
Amit Sanger ◽  
Ashwani Kumar ◽  
Arvind Kumar ◽  
Ramesh Chandra
Keyword(s):  
Gas Sensor ◽  
Hydrogen Gas ◽  
Highly Sensitive

Highly Sensitive Hydrogen Gas Sensor based on a MoS2-Pt Nanoparticle Composite

2020 ◽  
Vol 1 (1) ◽  
pp. Article ID 2020-0828-Article ID 2020-0828
Author(s):  
Sheng-Yuan Chu
Keyword(s):  
Gas Sensor ◽  
Hydrogen Gas ◽  
Pt Nanoparticle ◽  
Highly Sensitive

scholarly journals Enhanced Hydrogen Detection in ppb-Level by Electrospun SnO2-Loaded ZnO Nanofibers

Sensors ◽  
2019 ◽  
Vol 19 (3) ◽  
pp. 726 ◽  
Author(s):  
Jae-Hyoung Lee ◽  
Jin-Young Kim ◽  
Jae-Hun Kim ◽  
Sang Kim
Keyword(s):  
Gas Sensor ◽  
High Performance ◽  
Hydrogen Gas ◽  
Hydrogen Sensors ◽  
Excellent Performance ◽  
Electrospinning Technique ◽  
Hydrogen Sensing ◽  
Working Temperature ◽  
Highly Sensitive ◽  
Zno Nanofibers

High-performance hydrogen sensors are important in many industries to effectively address safety concerns related to the production, delivering, storage and use of H2 gas. Herein, we present a highly sensitive hydrogen gas sensor based on SnO2-loaded ZnO nanofibers (NFs). The xSnO2-loaded (x = 0.05, 0.1 and 0.15) ZnO NFs were fabricated using an electrospinning technique followed by calcination at high temperature. Microscopic analyses demonstrated the formation of NFs with expected morphology and chemical composition. Hydrogen sensing studies were performed at various temperatures and the optimal working temperature was selected as 300 °C. The optimal gas sensor (0.1 SnO2 loaded ZnO NFs) not only showed a high response to 50 ppb hydrogen gas, but also showed an excellent selectivity to hydrogen gas. The excellent performance of the gas sensor to hydrogen gas was mainly related to the formation of SnO2-ZnO heterojunctions and the metallization effect of ZnO.

A highly sensitive and selective hydrogen gas sensor from thick oriented films of MoS 2

1996 ◽  
Vol 63 (3) ◽  
pp. 271-275
Author(s):  
Bijan K. Miremadi ◽  
Ravi C. Singh ◽  
S. Roy Morrison ◽  
Konrad Colbow
Keyword(s):  
Gas Sensor ◽  
Hydrogen Gas ◽  
Highly Sensitive ◽  
Oriented Films

Characterization of a highly sensitive and selective hydrogen gas sensor employing Pt nanoparticle network catalysts based on different bifunctional ligands

2020 ◽  
Vol 322 ◽  
pp. 128619 ◽  
Author(s):  
Anmona Shabnam Pranti ◽  
Daniel Loof ◽  
Sebastian Kunz ◽  
Volkmar Zielasek ◽  
Marcus Bäumer ◽  
...  
Keyword(s):  
Gas Sensor ◽  
Hydrogen Gas ◽  
Pt Nanoparticle ◽  
Highly Sensitive ◽  
Bifunctional Ligands

A highly sensitive and selective hydrogen gas sensor from thick oriented films of MoS2

1996 ◽  
Vol 63 (3) ◽  
pp. 271-275 ◽  
Author(s):  
Bijan K. Miremadi ◽  
Ravi C. Singh ◽  
S. Roy Morrison ◽  
Konrad Colbow
Keyword(s):  
Gas Sensor ◽  
Hydrogen Gas ◽  
Highly Sensitive ◽  
Oriented Films

scholarly journals ppb-Level Selective Hydrogen Gas Detection of Pd-Functionalized In2O3-Loaded ZnO Nanofiber Gas Sensors

Sensors ◽  
2019 ◽  
Vol 19 (19) ◽  
pp. 4276 ◽  
Author(s):  
Jae-Hyoung Lee ◽  
Jae-Hun Kim ◽  
Jin-Young Kim ◽  
Ali Mirzaei ◽  
Hyoun Woo Kim ◽  
...  
Keyword(s):  
Gas Sensors ◽  
Gas Sensing ◽  
Hydrogen Gas ◽  
Strong Response ◽  
Pd Nanoparticle ◽  
Highly Sensitive ◽  
Hydrogen Gas Sensors ◽  
Zno Nanofibers ◽  
Gas Response ◽  
Hydrogen Gas Detection

Pd nanoparticle-functionalized, xIn2O3 (x = 0.05, 0.1, and 0.15)-loaded ZnO nanofibers were synthesized by an electrospinning and ultraviolet (UV) irradiation method and assessed for their hydrogen gas sensing properties. Morphological and chemical analyses revealed the desired morphology and chemical composition of the synthesized nanofibers. The optimal gas sensor namely Pd-functionalized, 0.1In2O3-loaded ZnO nanofibers showed a very strong response to 172–50 ppb hydrogen gas at 350 °C, which is regarded as the optimal sensing temperature. Furthermore, the gas sensors showed excellent selectivity to hydrogen gas due to the much lower response to CO and NO2 gases. The enhanced gas response was attributed to the excellent catalytic activity of Pd to hydrogen gas, and the formation of Pd/ZnO and In2O3/ZnO heterojunctions, ZnO–ZnO homojunction, as well as the formation of PdHx. Overall, highly sensitive and selective hydrogen gas sensors can be produced based on a simple methodology using a synergistic effect from Pd functionalization and In2O3 loading in ZnO nanofibers.

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