Electrochemical Sensors Based on Ordered Mesoporous Carbons

Zhou, Ming

doi:10.1002/9781119242659.ch6

Cited by 5 publications

(5 citation statements)

References 156 publications

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“…Ordered mesoporous materials hold a prominent position in electrochemistry, 1 notably because of their attractive features (very large surface areas offering huge amounts of active sites, open regular structure ensuring fast transport properties, hosting ability for the immobilization of (electro)catalysts or (bio)molecules for instance), which can be exploited primarily in the field of electrochemical sensors and biosensors, 1–4 or for energy conversion and storage. 1,5–7 Electroanalytical applications involve mainly nanomaterials based on either mesoporous carbon 8–11 or mesoporous silica. 12–14 Silica-based materials are insulating but offer the versatility to be easily functionalized with a wide range of organic groups covalently bonded to the internal surfaces of mesopore channels.…”

Section: Introductionmentioning

confidence: 99%

Polyaniline nanowire arrays generated through oriented mesoporous silica films: effect of pore size and spectroelectrochemical response

et al. 2022

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Section: Introductionmentioning

confidence: 99%

Polyaniline nanowire arrays generated through oriented mesoporous silica films: effect of pore size and spectroelectrochemical response

et al. 2022

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“…Generally, most of the AC materials require the use of polymer binders, such as poly(vinylene fluoride) and Nafion to fabricate the working electrode. − However, the use of these binders can lead to structural disintegration under chemical attacks, such that reduced electrical conductivity and increased mass transfer resistance may happen. Besides, the involvement of these binders may increase the inner resistance and introduce unnecessary weight. , Herein, we facilely achieved a binder-free PC 900 /GCE electrode material and studied the possibility of its utilization in the voltammetric determination of nitro isomers.…”

Section: Resultsmentioning

confidence: 99%

Binder-Free Modification of a Glassy Carbon Electrode by Using Porous Carbon for Voltammetric Determination of Nitro Isomers

et al. 2019

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In this study, Liquidambar formosana tree leaves have been used as a renewable biomass precursor for preparing porous carbons (PCs). The PCs were produced by pyrolysis of natural waste of leaves after 10% KOH activation under a nitrogen atmosphere and characterized by a variety of state-of-the-art techniques. The PCs possess a large surface area, micro-/mesoporosity, and functional groups on its surface. A glassy carbon electrode modified with high PCs was explored as an efficient binder-free electrocatalyst material for the voltammetric determination of nitro isomers such as 3-nitroaniline (3-NA) and 4-nitroaniline (4-NA). Under optimal experimental conditions, the electrochemical detection of 3-NA and 4-NA was found to have a wide linear range of 0.2–115.6 and 0.5–120 μM and a low detection limit of 0.0551 and 0.0326 μM, respectively, with appreciable selectivity. This route not only enhanced the benefit from biomass wastes but also reduced the cost of producing electrode materials for electrochemical sensors. Additionally, the sensor was successfully applied in the determination of nitro isomers even in the presence of other common electroactive interference and real samples analysis (beverage and pineapple jam solutions). Therefore, the proposed method is simple, rapid, stable, sensitive, specific, reproducible, and cost-effective and can be applicable for real sample detection.

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“…As shown in Figures 14-19, the variation of the illuminance of each material over time is distributed over time and appears in a "W" shape assuming that cloud interference is excluded [18,19]. The illumination intensity of each dot zone of each material will reach a small peak at 12:30 because the solar altitude angle is the highest and the light intensity is strongest at noon, and the illumination of each dot zone at 11:30 and 13:30 is lower than the value of 12:30.…”

Section: Data Processing and Analysismentioning

confidence: 99%

Analysis of the Influence of Grating Plate on the Internal Illumination Uniformity of Zigzag Photovoltaic Greenhouse

Wang,

Si,

Liu

2023

Preprint

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As one of the main projects of facility agriculture promotion, the photovoltaic greenhouse has the problems of photovoltaic power generation competing for light with crop production, strong indoor chiaroscuro, and uneven light distribution. The internal light uniformity is tested by a zigzag greenhouse model to compare the light transmission effects of different light-transmitting materials applied to photovoltaic greenhouses. 20 line\inch 3mm and 30 line\inch 3mm, 40 line\inch 2mm, 25 line\inch 4mm grating plates, 2mm, and 3mm thick ordinary glass were used as light transmitting components, and the light intensity and light uniformity in the greenhouse were the measurement indicators. The results show that the use of grating plates as covering material can improve the light intensity at the intersection of light and dark, but the overall light transmittance is not as good as glass, because it is plastic which is easy to age with low light transmittance. It can also improve the use of land under the shade of photovoltaic modules to provide a better growth environment for crops. Test results show that the use of a 2mm thick 40-line grating plate can maximize the light intensity of the greenhouse, and the peak value can reach 69336 Lx. In sunny weather, the light intensity from point G to point I in the greenhouse is greater than 20,000 Lx, and the light environment in other areas is between 5,000 Lx and 20,000 Lx, which is suitable for planting shade-loving crops.

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Electrochemical Sensors Based on Ordered Mesoporous Carbons

Cited by 5 publications

References 156 publications

Polyaniline nanowire arrays generated through oriented mesoporous silica films: effect of pore size and spectroelectrochemical response

Polyaniline nanowire arrays generated through oriented mesoporous silica films: effect of pore size and spectroelectrochemical response

Binder-Free Modification of a Glassy Carbon Electrode by Using Porous Carbon for Voltammetric Determination of Nitro Isomers

Analysis of the Influence of Grating Plate on the Internal Illumination Uniformity of Zigzag Photovoltaic Greenhouse

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