Review—Biomass Derived Carbon Materials for Electrochemical Sensors

Bhat, Vinay S.; Supriya, S.; Hegde, Gurumurthy

doi:10.1149/2.0262003jes

Cited by 80 publications

(38 citation statements)

References 112 publications

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“…Thermal conversion is nowadays a strongly investigated route to convert natural precursors in carbon nanomaterials to be used in supercapacitor electrodes [1][2][3][4][5][6]. The decomposition of biomass is often obtained by pyrolysis in the absence of oxygen, giving rise to the preferential production of biochar (solid products), bio-oil, or gases, depending on final temperature and thermal environment [7][8][9][10][11].…”

Section: Introductionmentioning

confidence: 99%

Porous Carbon Materials Obtained by the Hydrothermal Carbonization of Orange Juice

et al. 2020

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Porous carbon materials are currently subjected to strong research efforts mainly due to their excellent performances in energy storage devices. A sustainable process to obtain them is hydrothermal carbonization (HTC), in which the decomposition of biomass precursors generates solid products called hydrochars, together with liquid and gaseous products. Hydrochars have a high C content and are rich with oxygen-containing functional groups, which is important for subsequent activation. Orange pomace and orange peels are considered wastes and then have been investigated as possible feedstocks for hydrochars production. On the contrary, orange juice was treated by HTC only to obtain carbon quantum dots. In the present study, pure orange juice was hydrothermally carbonized and the resulting hydrochar was filtered and washed, and graphitized/activated by KOH in nitrogen atmosphere at 800 °C. The resulting material was studied by transmission and scanning electron microscopy, Raman spectroscopy, X-ray photoelectron spectroscopy, X-ray diffraction, and nitrogen sorption isotherms. We found porous microspheres with some degree of graphitization and high nitrogen content, a specific surface of 1725 m2/g, and a pore size distribution that make them good candidates for supercapacitor electrodes.

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Section: Introductionmentioning

confidence: 99%

Porous Carbon Materials Obtained by the Hydrothermal Carbonization of Orange Juice

et al. 2020

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“…Among all possible materials, carbon is probably the first to be cited. Indeed, carbon materials are renewable by essence, being obtained through green processes from biomass, e.g., pyrolysis or hydrothermal carbonization [ 29 , 30 ], and can degrade or return to nature without further treatment, except for finely divided nanomaterials. Macroporous carbonaceous materials [ 31 ], carbon fibers [ 32 ], carbon dots [ 33 , 34 ], carbon nanotubes or nanohorns, etc., can be synthesized from green processes then disposed of without the need for particular depollution treatments.…”

Section: Discussionmentioning

confidence: 99%

Sensors Made of Natural Renewable Materials: Efficiency, Recyclability or Biodegradability—The Green Electronics

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2020

Sensors

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Nowadays, sensor devices are developing fast. It is therefore critical, at a time when the availability and recyclability of materials are, along with acceptability from the consumers, among the most important criteria used by industrials before pushing a device to market, to review the most recent advances related to functional electronic materials, substrates or packaging materials with natural origins and/or presenting good recyclability. This review proposes, in the first section, passive materials used as substrates, supporting matrixes or packaging, whether organic or inorganic, then active materials such as conductors or semiconductors. The last section is dedicated to the review of pertinent sensors and devices integrated in sensors, along with their fabrication methods.

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“…Carbon nanostructures such as carbon nanotubes (CNTs), fullerenes, graphene nanosheets, and the additional use of carbon nanoparticles have been successfully used in a wide range of sensing platforms and continue to be used in new and novel electrochemical sensors [25][26][27] . Many organic sensors can be implemented on a platform for flexible and biodegradable devices and resorbable substrates.…”

Section: Carbon-based Electrodes and Devicesmentioning

confidence: 99%

The electrochemical detection of bioterrorism agents: a review of the detection, diagnostics, and implementation of sensors in biosafety programs for Class A bioweapons

2021

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During the past year, disease has shown us the iron grip it can hold over a population of people. Health systems can be overwhelmed, economies can be brought into recession, and many people can be harmed or killed. When weaponized, diseases can be manipulated to create a detriment to health while becoming an economic burden on any society. It is consequently prudent that easy detection of bioweapons is available to governments for protecting their people. Electrochemical sensing displays many distinct advantages, such as its low limit of detection, low cost to run, rapid generation of results, and in many instances portability. We therefore present a wide array of electrochemical sensing platforms currently being fabricated, a brief summary of Class A bioweapons, and the potential future of bioweapon detection and biosafety.

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Review—Biomass Derived Carbon Materials for Electrochemical Sensors

Cited by 80 publications

References 112 publications

Porous Carbon Materials Obtained by the Hydrothermal Carbonization of Orange Juice

Porous Carbon Materials Obtained by the Hydrothermal Carbonization of Orange Juice

Sensors Made of Natural Renewable Materials: Efficiency, Recyclability or Biodegradability—The Green Electronics

The electrochemical detection of bioterrorism agents: a review of the detection, diagnostics, and implementation of sensors in biosafety programs for Class A bioweapons

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