One-pot synthesis of high-density Pd nanoflowers decorated 3D carbon nanotube-graphene network modified on printed electrode as portable electrochemical sensing platform for sensitive detection of nitroaromatic explosives

Zeng, Wei; Sun, Helei; Yi, Ronghua; Huang, Xiangyong; Sun, Yimin

doi:10.1016/j.jelechem.2018.12.028

Cited by 18 publications

(5 citation statements)

References 57 publications

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“…Besides graphene, 1D carbon nanotubes (CNTs) are often employed as interlayer spacing agents [48,49] . A general method to prepare porous MXene/CNTs films is through vaccum filtration of their solution.…”

Section: Synthesis Methodsmentioning

confidence: 99%

“…Besides graphene, 1D carbon nanotubes (CNTs) are often employed as interlayer spacing agents. [48,49] A general method to prepare porous MXene/CNTs films is through vaccum filtration of their solution. During this process, CNTs are usually positively charged by surfactant to induce self-assemble with negatively Ti 3 C 2 T X MXene through electrostatic interactions.…”

Section: Carbon Materials Intercalationmentioning

confidence: 99%

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Recent Trends in Synthesis and Applications of Porous MXene Assemblies: A Topical Review

Chen

Asif

Wang

et al. 2021

The Chemical Record

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MXene possesses high conductivity, excellent hydrophilicity, rich surface chemistry, hence holds great potential in various applications. However, MXene materials have low surface area utilization due to the agglomeration of ultrathin nanosheets. Assembling 2D MXene nanosheets into 3D multi‐level architectures is an effective way to circumvent this issue. Incorporation of MXene with other nanomaterials during the assembly process could rationally tune and tailor the specific surface area, porosity and surface chemistry of the MXene assemblies. The complementary and synergistic effect between MXene and nanomaterials could expand their advantages and make up for their disadvantages, thus boost the performance of 3D porous MXene composites. Herein, we summarize the recent progress in fabrication of porous MXene architectures from 2D to 3D, and also discuss the potential applications of MXene nanostructures in energy harvesting systems, sensing, electromagnetic interference shielding, water purification and photocatalysis.

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Section: Synthesis Methodsmentioning

confidence: 99%

Section: Carbon Materials Intercalationmentioning

confidence: 99%

Recent Trends in Synthesis and Applications of Porous MXene Assemblies: A Topical Review

Chen

Asif

Wang

et al. 2021

The Chemical Record

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“…In a similar way, palladium nanoflower assembled from CNTs and GNSs for modification of an SPE was devised to sense nitro-aromatics, p-nitrophenol, etc. In this combination, one-dimensional CNTs were embedded into two-dimensional GNSs to form a three-dimensional framework that can curtail agglomeration between CNTs and GNSs during synthesis [42]. This combination was reported as exhibiting superior electrocatalytic activity and capable for reducing nitro-aromatics.…”

Section: Sensor Designingmentioning

confidence: 99%

Electrochemical Sensors Based on Carbon Allotrope Graphene: A Review on Their Environmental Applications

2023

Nanosistemi, Nanomateriali, Nanotehnologii

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Anthropogenic activity in terms of urbanization, industrialization, and modern agricultural techniques challenges the natural environment in terms of compromise in air pollution and water quality, which lead to hazardous health impacts on human beings. In this context, it is very essential to monitor the air and water quality to a maximum possible extent with maximum accuracy, which is of utmost significance. A significant effect on human health due to pollutants makes their detection in water and air essential. Even though various techniques of monitoring these pollutants are available, proven advantages of electrochemical techniques attract more attention. Because of this, an attempt is made to review some of the latest advances in electrochemical sensing of environmental contaminants, which include heavy-metal ions and pesticides. Electrochemical sensing has been done by using sensors designed with various materials. However, sensors designed with carbon and its allotropes such as carbon nanotubes, graphene derivatives, carbon nanodots, active carbon, screenprinted carbon electrode, and others are reviewed. Even though these sensors are capable of being used in medical analysis, food safety, soil quality, drug detection, etc., the review paper highlights only applications related to environmental monitoring. This review is mainly meant to come up with an understanding of the present-day progress in electrochemical

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“…The structural shape of graphene based nanocomposites incorporated with polymers as well as metallic nanoparticles, and other species to harvest synergetic effects and integrated properties of the individuals, has claimed great interest due to their wide range of scientific as well as industrial implications (Badhulika et al, 2015;Sun et al, 2016;Liao et al, 2018;White et al, 2019;Gao et al, 2021). Graphene has, for a long time, been an attractive choice as the building block for nanocomposites owing to its extraordinary mechanical, electronic, and thermal characteristics, as well as the large surface area (Sun et al, 2015;Zeng et al, 2019;Zhao et al, 2020). Graphene nanocomposites with well-designed nanostructures have been extensively fabricated in order to produce diverse materials with desired performance (Aziz et al, 2019a;Asif et al, 2019;Ibrahim et al, 2021).…”

Section: Introductionmentioning

confidence: 99%

A Multicomponent Polymer-Metal-Enzyme System as Electrochemical Biosensor for H2O2 Detection

et al. 2022

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Herein, an Au nanoparticles-polydopamine-poly acrylic acid-graphene (Au NPs-PDA-PAA-graphene) multicomponent nanohybrid is fabricated by surface functionalization of graphene alongside extensive in-situ growth of Au nanoparticles. The as-obtained nanocomposite possesses good hydrophilicity, excellent biocompatibility and high biomolecules loading capacity, which acts as an ideal platform for enzyme modification. Considering this fact, Horseradish peroxidase is expressively immobilized upon Au NPs-PDA-PAA-graphene surface, in order to lay the foundations of a biosensor that is majorly based on enzymatic activity. The biosensor exhibits higher sensitivity towards the determination of H2O2 with linearity ranging from 0.1 μm upto 20 mm, and the limit of detection going down to 0.02 μm. Encouraged by its acceptable electrocatalytic performance, this multicomponent system can also be easily employed for carrying out the real-time tracking of H2O2 coming out of Macrophage cells. Therefore, this work designs an extraordinarily updated platform for biosensing related applications, and also presents a reliable platform for the direct detection of H2O2in vivo and in vitro, which show great potential in bioelectroanalytical chemistry, cellular biology, and pathophysiology.

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One-pot synthesis of high-density Pd nanoflowers decorated 3D carbon nanotube-graphene network modified on printed electrode as portable electrochemical sensing platform for sensitive detection of nitroaromatic explosives

Cited by 18 publications

References 57 publications

Recent Trends in Synthesis and Applications of Porous MXene Assemblies: A Topical Review

Recent Trends in Synthesis and Applications of Porous MXene Assemblies: A Topical Review

Electrochemical Sensors Based on Carbon Allotrope Graphene: A Review on Their Environmental Applications

A Multicomponent Polymer-Metal-Enzyme System as Electrochemical Biosensor for H2O2 Detection

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