Portable ppb-level carbon dioxide sensor based on flexible hollow waveguide cell and mid-infrared spectroscopy

Chen, Zhangxiong; Zeng, Junming; He, Ming; Xiao, Zhu; Shi, Yi-Wei

doi:10.1016/j.snb.2022.131553

Cited by 20 publications

(4 citation statements)

References 28 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…23−25 Chen et al proposed a portable carbon dioxide (CO 2 ) gas sensor by using a flexible LHCF in the mid-infrared region. 26 A silver iodide (AgI)/silver (Ag)-coated LHCF with an inner diameter of 4 mm and a length of 1 m was bent to be a portable structure. The LHCF was optimized in the delivery of the light at the wavelength of 4.26 μm.…”

Section: T H Imentioning

confidence: 99%

“…Leaky hollow core fibers (LHCF) realize a rapid development in trace gas sensing for their satisfactory flexibility, low transmission loss, and low fabrication cost. − Chen et al proposed a portable carbon dioxide (CO 2 ) gas sensor by using a flexible LHCF in the mid-infrared region . A silver iodide (AgI)/silver (Ag)-coated LHCF with an inner diameter of 4 mm and a length of 1 m was bent to be a portable structure.…”

mentioning

confidence: 99%

See 1 more Smart Citation

Flexible Hollow Core Fiber Photoacoustic Gas Sensor Based on Embedded Acoustic Resonant Structure

Zhang,

Jiang,

Zhang

et al. 2023

Anal. Chem.

Self Cite

View full text Add to dashboard Cite

Section: T H Imentioning

confidence: 99%

mentioning

confidence: 99%

Flexible Hollow Core Fiber Photoacoustic Gas Sensor Based on Embedded Acoustic Resonant Structure

Zhang,

Jiang,

Zhang

et al. 2023

Anal. Chem.

Self Cite

View full text Add to dashboard Cite

“…The hollow waveguide (HWG) can simultaneously serve as a transmission medium and gas absorption cell for mid-infrared gas sensing. It has the advantages of low loss, small volume, flexibility, and fast response [ 27 ]. A polycarbonate base tube was chosen for HWG to achieve flexibility.…”

Section: Principle and Systemmentioning

confidence: 99%

CH4, C2H6, and CO2 Multi-Gas Sensing Based on Portable Mid-Infrared Spectroscopy and PCA-BP Algorithm

Yang

Jiang

Zeng

et al. 2023

Sensors

Self Cite

View full text Add to dashboard Cite

A multi-gas sensing system was developed based on the detection principle of the non-dispersive infrared (NDIR) method, which used a broad-spectra light source, a tunable Fabry–Pérot (FP) filter detector, and a flexible low-loss infrared waveguide as an absorption cell. CH4, C2H6, and CO2 gases were detected by the system. The concentration of CO2 could be detected directly, and the concentrations of CH4 and C2H6 were detected using a PCA-BP neural network algorithm because of the interference of CH4 and C2H6. The detection limits were achieved to be 2.59 ppm, 926 ppb, and 114 ppb for CH4, C2H6, and CO2 with an averaging time of 429 s, 462 s, and 297 s, respectively. The root mean square error of prediction (RMSEP) of CH4 and C2H6 were 10.97 ppm and 2.00 ppm, respectively. The proposed system and method take full advantage of the multi-component gas measurement capability of the mid-infrared broadband source and achieve a compromise between performance and system cost.

show abstract

“…The amount of infrared light received is reduced, thus reflecting the gas concentration. Zhangxiong Chen [25] built a CO 2 detection system using the principle of infrared absorption spectroscopy. The system utilizes a hollow fiber as a gas chamber.…”

Section: Infrared Gas Sensormentioning

confidence: 99%

Greenhouse Gas Detection Based on Infrared Nanophotonic Devices

Hao

Jiang

et al. 2023

IEEE Open J. Nanotechnol.

View full text Add to dashboard Cite

Most greenhouse gases come from biological activities and industry which will lead to global warming and show an impact on human life. With the need of green transformation of the global economic structure and seeking for higher quality of human life, the detection and management of greenhouse gases, as well as most hazardous gases in the environment, are increasingly demanding. Applications in different fields require sensors that can detect gas volume fractions with magnitudes from 10-9 to 10-4. Greenhouse gas detection plays an important role both in the agriculture and industry field. In this review, we first summarize the mechanism of several common gas detectors used currently. Then, the advantages of nanostructured gas sensors are discussed. Finally, the applications of infrared gas sensors based on nanophotonic devices are described in detail. This review has been an outlook on the future development of infrared gas sensors based on nanophotonic devices.INDEX TERMS Environment and climate, greenhouse gas, nanostructures, photonic device.

show abstract

Portable ppb-level carbon dioxide sensor based on flexible hollow waveguide cell and mid-infrared spectroscopy

Cited by 20 publications

References 28 publications

Flexible Hollow Core Fiber Photoacoustic Gas Sensor Based on Embedded Acoustic Resonant Structure

Flexible Hollow Core Fiber Photoacoustic Gas Sensor Based on Embedded Acoustic Resonant Structure

CH4, C2H6, and CO2 Multi-Gas Sensing Based on Portable Mid-Infrared Spectroscopy and PCA-BP Algorithm

Greenhouse Gas Detection Based on Infrared Nanophotonic Devices

Contact Info

Product

Resources

About