The correlation between surface defects and the behavior of hydrogen adsorption over ZnO under UV light irradiation

2018 ◽  
Vol 8 (13) ◽  
pp. 3260-3277 ◽  
Author(s):  
Zhongming Wang ◽  
Kun Wang ◽  
Hong Wang ◽  
Xun Chen ◽  
Wenxin Dai ◽  
...  
Keyword(s):  
Electron Transfer ◽  
Surface Defects ◽  
Hydrogen Adsorption ◽  
Gas Sensing ◽  
Uv Light ◽  
Light Irradiation ◽  
Uv Light Irradiation ◽  
Transfer Behavior

A photo-assisted gas sensing response can identify the electron transfer behavior of adsorbed H2 and its oxidation over ZnO.

Exhaled breath gas sensing using pristine and functionalized WO3 nanowire sensors enhanced by UV-light irradiation

2018 ◽  
Vol 273 ◽  
pp. 1719-1729 ◽  
Author(s):  
Tarik Saidi ◽  
Dariusz Palmowski ◽  
Sylwia Babicz-Kiewlicz ◽  
Tesfalem Geremariam Welearegay ◽  
Nezha El Bari ◽  
...  
Keyword(s):  
Gas Sensing ◽  
Uv Light ◽  
Light Irradiation ◽  
Exhaled Breath ◽  
Uv Light Irradiation ◽  
Nanowire Sensors

Enhanced NO 2 gas sensing performance of bare and Pd-loaded SnO 2 thick film sensors under UV-light irradiation at room temperature

2016 ◽  
Vol 223 ◽  
pp. 429-439 ◽  
Author(s):  
Fahimeh Hooriabad Saboor ◽  
Taro Ueda ◽  
Kai Kamada ◽  
Takeo Hyodo ◽  
Yadollah Mortazavi ◽  
...  
Keyword(s):  
Thick Film ◽  
Room Temperature ◽  
Gas Sensing ◽  
Uv Light ◽  
Light Irradiation ◽  
Uv Light Irradiation ◽  
Sensing Performance

scholarly journals Effects of UV light irradiation on fluctuation enhanced gas sensing by carbon nanotube networks

2021 ◽  
pp. 131069
Author(s):  
Katarzyna Drozdowska ◽  
Adil Rehman ◽  
Aleksandra Krajewska ◽  
Dmitri V. Lioubtchenko ◽  
Krystian Pavłov ◽  
...  
Keyword(s):  
Carbon Nanotube ◽  
Gas Sensing ◽  
Uv Light ◽  
Light Irradiation ◽  
Uv Light Irradiation ◽  
Carbon Nanotube Networks

Room temperature gas sensing under UV light irradiation for Ti3C2Tx MXene derived lamellar TiO2-C/g-C3N4 composites

2021 ◽  
Vol 535 ◽  
pp. 147666
Author(s):  
Ming Hou ◽  
Jiyun Gao ◽  
Li Yang ◽  
Shenghui Guo ◽  
Tu Hu ◽  
...  
Keyword(s):  
Room Temperature ◽  
Gas Sensing ◽  
Uv Light ◽  
Light Irradiation ◽  
Uv Light Irradiation

scholarly journals NO gas sensing kinetics at room temperature under UV light irradiation of In2O3 nanostructures

2016 ◽  
Vol 6 (1) ◽  
Author(s):  
Nguyen Duc Chinh ◽  
Nguyen Duc Quang ◽  
Hyundong Lee ◽  
Truong Thi Hien ◽  
Nguyen Minh Hieu ◽  
...  
Keyword(s):  
Room Temperature ◽  
Gas Sensing ◽  
Uv Light ◽  
Light Irradiation ◽  
Uv Light Irradiation ◽  
In2o3 Nanostructures

scholarly journals TiO2-Powdered Activated Carbon (TiO2/PAC) for Removal and Photocatalytic Properties of 2-Methylisoborneol (2-MIB) in Water

Water ◽  
2021 ◽  
Vol 13 (12) ◽  
pp. 1622
Author(s):  
Xiao-Pin Guo ◽  
Peng Zang ◽  
Yong-Mei Li ◽  
Dong-Su Bi
Keyword(s):  
Activated Carbon ◽  
Natural Organic Matter ◽  
Uv Light ◽  
Sol Gel ◽  
Light Irradiation ◽  
Nano Tio2 ◽  
Uv Light Irradiation ◽  
Adsorption Capacities ◽  
Taste And Odor ◽  
Composite Photocatalysts

2-methylisoborneol (2-MIB) is a common taste and odor compound caused by off-flavor secondary metabolites, which represents one of the greatest challenges for drinking water utilities worldwide. A TiO2-coated activated carbon (TiO2/PAC) has been synthesized using the sol-gel method. A new TiO2/PAC photocatalyst has been successfully employed in photodegradation of 2-MIB under UV light irradiation. In addition, the combined results of XRD, SEM-EDX, FTIR and UV-Vis suggested that the nano-TiO2 had been successfully loaded on the surface of PAC. Experimental results of 2-MIB removal indicated that the adsorption capacities of PAC for 2-MIB were higher than that of TiO2/PAC. However, in the natural organic matter (NOM) bearing water, the removal efficiency of 2-MIB by TiO2/PAC and PAC were 97.8% and 65.4%, respectively, under UV light irradiation. Moreover, it was shown that the presence of NOMs had a distinct effect on the removal of MIB by TiO2/PAC and PAC. In addition, a simplified equivalent background compound (SEBC) model could not only be used to describe the competitive adsorption of MIB and NOM, but also represent the photocatalytic process. In comparison to other related studies, there are a few novel composite photocatalysts that could efficiently and rapidly remove MIB by the combination of adsorption and photocatalysis.

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