Low temperature CO sensor based on cataluminescence from plasma-assisted catalytic oxidation on Ag doped alkaline-earth nanomaterials

Han, Jiaying; Han, Feifei; Ouyang, Jin; He, Lixin; Zhang, Yantu; Na, Na

doi:10.1039/c3nr05405e

Cited by 43 publications

(29 citation statements)

References 41 publications

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“…Based on CTL from PA catalytic oxidation, with Ag-doped alkaline-earth nanomaterial as sensing element, air as discharge gas, carrier gas and oxidant supplier, significant CTL was obtained at near room temperature. Han et al [115] therefore demonstrated a low-consumption, portable CO sensor.…”

Section: Plasma-assisted Ctlmentioning

confidence: 98%

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Advances in nanomaterial-assisted cataluminescence and its sensing applications

Zhang

Song

et al. 2015

TrAC Trends in Analytical Chemistry

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Section: Plasma-assisted Ctlmentioning

confidence: 98%

“…Han et al [115] made further detailed comparison with discharge gases Ar, N 2 , He and air using DBD. Based on CTL from PA catalytic oxidation, with Ag-doped alkaline-earth nanomaterial as sensing element, air as discharge gas, carrier gas and oxidant supplier, significant CTL was obtained at near room temperature.…”

Section: Plasma-assisted Ctlmentioning

confidence: 99%

Advances in nanomaterial-assisted cataluminescence and its sensing applications

Zhang

Song

et al. 2015

TrAC Trends in Analytical Chemistry

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“…More interestingly, this kind of emission showed the cross-reactive properties with the distinct 2 luminescent efficiencies, which have been used for the fabrication of sensor array for the fast discriminations. [17][18][19] Additionally, fast detection and discrimination of metal ions in our surroundings is significant due to their important roles in industry, life science and food chemistry, 20 and therefore many methods have been used for the detection of metal ions. [21][22][23] However the previously reported CL-based techniques normally required the addition of strong oxidants and liquid CL reagents into the system.…”

Section: Introductionmentioning

confidence: 99%

Excited Oxidized-Carbon Nanodots Induced by Ozone from Low-Temperature Plasma to Initiate Strong Chemiluminescence for Fast Discrimination of Metal Ions

et al. 2016

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Carbon nanodots (C-dots) are recently well examined due to the emissions with color-tuning and nonblinking properties, while more studies are still needed for the appropriate understanding and application of distinct emissions. In this work, we found the emission of chemiluminescence (CL) by introducing low-temperature plasma (LTP) into C-dots solutions without any reagent added, whose intensity was affected by the presence of different metal ions. Based on both experimental data and theoretical calculations, we found with the ozonation by ozone from LTP, excited oxidized-C-dots would be generated with the addition of ozone onto the conjugated double bonds of C-dots, and these excited species could directly initiate strong CL combining with the deactivation of excited species to the ground state. Significantly, the cross-reactive CL signals were obtained from different kinds of C-dots with the presence of different metal ions. Therefore, a new sensor array (electronic tongue) composed of five different C-dots was designed for fast discrimination of metal ions, which achieved the accurate discrimination of 13 kinds of metal ions in pure water and real samples. It exhibited good reproducibility and sensitivity, which can be used for the quantitative analysis of metal ions such as showing a linear range from 4 × 10(-7) to 6 × 10(-5) mol·L(-1) (R(2) > 0.99) for Fe(3+) with a detection limit of 2.5 × 10(-7) mol·L(-1). This work not only provides a novel finding of CL from C-dots revealing explicit relationship between structures and CL properties, but also realizes the fast discrimination of metal ions, showing potentials in environmental monitoring and quality identifications.

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“…In many cases, as the gas concentration reduces, sensing signal produced by sensors becomes poor [23,24]; thus, an efficient approach to acquire those signals and distinguish valuable data from noise is important for gas detection. In recent years, nanomaterials and nanotechnologies have been developed rapidly, providing some new opportunities for fabricating high-performance cataluminescent gas sensors [29,30]. Thus, a series of cataluminescent gas sensors for specific applications can be designed on the basis of nanomaterials modulation.…”

Section: Challenges For Catalysis-based Gas Sensorsmentioning

confidence: 99%

“…When the target gas flows through the tube, the catalytic reaction occurs on the surface of sensing materials. The cataluminescent intensity can be monitored In recent years, nanomaterials and nanotechnologies have been developed rapidly, providing some new opportunities for fabricating high-performance cataluminescent gas sensors [29,30]. Thus, a series of cataluminescent gas sensors for specific applications can be designed on the basis of nanomaterials modulation.…”

Section: Typical Cataluminescent Detection Systemmentioning

confidence: 99%

Catalysis-Based Cataluminescent and Conductometric Gas Sensors: Sensing Nanomaterials, Mechanism, Applications and Perspectives

et al. 2016

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Gas environment detection has become more urgent and significant, for both industrial manufacturing and environment monitoring. Gas sensors based on a catalytically-sensing mechanism are one of the most important types of devices for gas detection, and have been of great interest during the past decades. However, even though many efforts have contributed to this area, some great challenges still remain, such as the development of sensitively and selectively sensing catalysts. In this review, two representative catalysis-based gas sensors, cataluminescent and conductometric sensors, the basis of optical and electric signal acquisition, respectively, are summarized comprehensively. The current challenges have been presented. Recent research progress on the working mechanism, sensing nanomaterials, and applications reported by our group and some other researchers have been discussed systematically. The future trends and prospects of the catalysis-based gas sensors have also been presented.

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Low temperature CO sensor based on cataluminescence from plasma-assisted catalytic oxidation on Ag doped alkaline-earth nanomaterials

Cited by 43 publications

References 41 publications

Advances in nanomaterial-assisted cataluminescence and its sensing applications

Advances in nanomaterial-assisted cataluminescence and its sensing applications

Excited Oxidized-Carbon Nanodots Induced by Ozone from Low-Temperature Plasma to Initiate Strong Chemiluminescence for Fast Discrimination of Metal Ions

Catalysis-Based Cataluminescent and Conductometric Gas Sensors: Sensing Nanomaterials, Mechanism, Applications and Perspectives

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