Effect of adding ZHS microcubes on ZnO nanorods for CO2 gas sensing applications

2020 ◽  
Vol 164 ◽  
pp. 107711 ◽  
Author(s):  
Feng-Renn Juang ◽  
Bo-Yai Chen
Keyword(s):  
Gas Sensing ◽  
Zno Nanorods ◽  
Co2 Gas ◽  
Sensing Applications

scholarly journals Double Notched Long-Period Fiber Grating Characterization for CO2 Gas Sensing Applications †

Sensors ◽  
2018 ◽  
Vol 18 (10) ◽  
pp. 3206 ◽  
Author(s):  
Hsiang-Chang Hsu ◽  
Tso-Sheng Hsieh ◽  
Tzu-Hsuan Huang ◽  
Liren Tsai ◽  
Chia-Chin Chiang
Keyword(s):  
Gas Sensor ◽  
Transmission Loss ◽  
Gas Sensing ◽  
Fiber Grating ◽  
Co2 Gas ◽  
Long Period Fiber Grating ◽  
Long Period ◽  
Sensing Applications ◽  
Co2 Gas Sensor ◽  
Period Fiber Grating

In this study, we applied a double-sided inductively coupled plasma (ICP) process to nanostructure long-period fiber grating (LPFG) in order to fabricate a double-notched LPFG (DNLPFG) sensor with a double-sided surface corrugated periodic grating. Using the sol-gel method, we also added thymol blue and ZnO to form a gas sensing layer, thus producing a DNLPFG CO2 gas sensor. The resulting sensor is the first double-sided etching sensor used to measure CO2. The experimental results showed that as the CO2 concentration increased, the transmission loss increased, and that the smaller the fiber diameter, the greater the sensitivity and the greater the change in transmission loss. When the diameter of the fiber was 32 μm (and the period was 570 μm) and the perfusion rate of CO2 gas was 15%, the maximum loss variation of up to 3.881 dB was achieved, while the sensitivity was 0.2146 dB/% and the linearity was 0.992. These results demonstrate that the DNLPG CO2 gas sensor is highly sensitive.

scholarly journals Room-temperature synthesis and CO2-gas sensitivity of bismuth oxide nanosensors

RSC Advances ◽  
2020 ◽  
Vol 10 (29) ◽  
pp. 17217-17227 ◽  
Author(s):  
Pritamkumar V. Shinde ◽  
Nanasaheb M. Shinde ◽  
Shoyebmohamad F. Shaikh ◽  
Damin Lee ◽  
Je Moon Yun ◽  
...  
Keyword(s):  
Carbon Dioxide ◽  
Bismuth Oxide ◽  
Room Temperature ◽  
Gas Sensing ◽  
Deposition Method ◽  
Gas Sensitivity ◽  
Temperature Synthesis ◽  
Co2 Gas ◽  
Surface Areas ◽  
Sensing Applications

Room-temperature (27 °C) synthesis and carbon dioxide (CO2)-gas-sensing applications of bismuth oxide (Bi2O3) nanosensors obtained via a direct and superfast chemical-bath-deposition method (CBD) with different surface areas and structures.

A novel method of electrochemically growing ZnO nanorods on graphene oxide as substrate for gas sensing applications

2019 ◽  
Vol 6 (7) ◽  
pp. 075039 ◽  
Author(s):  
Shani Kumar ◽  
A Garg ◽  
A Chowdhuri ◽  
A Jain ◽  
A Kapoor
Keyword(s):  
Graphene Oxide ◽  
Gas Sensing ◽  
Zno Nanorods ◽  
Sensing Applications ◽  
Novel Method

scholarly journals Sr- and Ni-doping in ZnO nanorods synthesized by a simple wet chemical method as excellent materials for CO and CO2 gas sensing

RSC Advances ◽  
2016 ◽  
Vol 6 (86) ◽  
pp. 82733-82742 ◽  
Author(s):  
Parasharam M. Shirage ◽  
Amit Kumar Rana ◽  
Yogendra Kumar ◽  
Somaditya Sen ◽  
S. G. Leonardi ◽  
...  
Keyword(s):  
Chemical Method ◽  
Gas Sensing ◽  
Zno Nanorods ◽  
Wet Chemical Method ◽  
Ni Doping ◽  
Co2 Gas ◽  
Sensing Properties ◽  
Wet Chemical

In this study, the effect of Sr- and Ni-doping on the microstructural, morphological and sensing properties of ZnO nanorods has been investigated.

Fabrication of ZnO Nanorods for Gas Sensing Applications Using Hydrothermal Method

2014 ◽  
Vol 14 (8) ◽  
pp. 6261-6265 ◽  
Author(s):  
Cam Phu Thi Nguyen ◽  
Phan Phuong Ha La ◽  
Thanh Thuy Trinh ◽  
Tuan Anh Huy Le ◽  
Sungjae Bong ◽  
...  
Keyword(s):  
Hydrothermal Method ◽  
Gas Sensing ◽  
Zno Nanorods ◽  
Sensing Applications

scholarly journals Carbon Dioxide Gas Sensor Based on Polyhexamethylene Biguanide Polymer Deposited on Silicon Nano-Cylinders Metasurface

2020 ◽  
Author(s):  
Muhammad Ali Butt ◽  
Nikolay Lvovich Kazanskiy ◽  
Svetlana Nikolaevna Khonina
Keyword(s):  
Gas Sensing ◽  
Polarized Light ◽  
Resonance Wavelength ◽  
Host Material ◽  
Perfect Absorber ◽  
Angle Of Incidence ◽  
Co2 Gas ◽  
Gas Concentration ◽  
Sensing Applications ◽  
Polyhexamethylene Biguanide

In this paper, we have numerically investigated a metasurface based perfect absorber design established on the impedance matching phenomena. The paper comprises of two parts. In the first part, the device performance of the perfect absorber is studied which is composed of a silicon Nano-cylindrical meta-atoms periodically arranged on the thin gold layer. The device design is unique which works for both x-oriented and y-oriented polarized light, besides independent of the angle of incidence. In the second part of the paper, CO2 gas sensing application is explored by depositing a thin layer of functional host material polyhexamethylene biguanide polymer on the metasurface. The refractive index of the host material decreases due to the absorption of the CO2 gas. As a result, the resonance wavelength of the perfect absorber performs a prominent blueshift. With the help of the proposed sensor design based on metasurface, the CO2 gas concentration range of 0-524 ppm is detected. The maximum sensitivity of ~17.3 pm/ppm is acquired for the gas concentration of 434 ppm. The study presented in this work explores the opportunity of utilizing metasurface perfect absorber for gas sensing applications by employing the functional host materials.

scholarly journals Co/ZnO nanorods system for magnetic gas sensing applications

2016 ◽  
Author(s):  
C. Baratto ◽  
F. Rigoni ◽  
N. Cattabiani ◽  
M. Ferroni ◽  
G. Sberveglieri ◽  
...  
Keyword(s):  
Gas Sensing ◽  
Zno Nanorods ◽  
Sensing Applications

scholarly journals Carbon Dioxide Gas Sensor Based on Polyhexamethylene Biguanide Polymer Deposited on Silicon Nano-Cylinders Metasurface

Sensors ◽  
2021 ◽  
Vol 21 (2) ◽  
pp. 378
Author(s):  
Nikolay Lvovich Kazanskiy ◽  
Muhammad Ali Butt ◽  
Svetlana Nikolaevna Khonina
Keyword(s):  
Gas Sensing ◽  
Polarized Light ◽  
Resonance Wavelength ◽  
Host Material ◽  
Perfect Absorber ◽  
Angle Of Incidence ◽  
Co2 Gas ◽  
Gas Concentration ◽  
Sensing Applications ◽  
Polyhexamethylene Biguanide

In this paper, we have numerically investigated a metasurface based perfect absorber design, established on the impedance matching phenomena. The paper comprises of two parts. In the first part, the device performance of the perfect absorber—which is composed of silicon nano-cylindrical meta-atoms, periodically arranged on a thin gold layer—is studied. The device design is unique and works for both x-oriented and y-oriented polarized light, in addition to being independent of the angle of incidence. In the second part of the paper, a CO2 gas sensing application is explored by depositing a thin layer of functional host material—a polyhexamethylene biguanide polymer—on the metasurface. The refractive index of the host material decreases due to the absorption of the CO2 gas. As a result, the resonance wavelength of the perfect absorber performs a prominent blueshift. With the help of the proposed sensor design, based on metasurface, the CO2 gas concentration range of 0–524 ppm was detected. A maximum sensitivity of 17.3 pm/ppm was acquired for a gas concentration of 434 ppm. The study presented in this work explores the opportunity of utilizing the metasurface perfect absorber for gas sensing applications by employing functional host materials.

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