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Carbon Nitride - Springer Nature

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Last Updated: 06 January 2023

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Gold nanostar and graphitic carbon nitride nanocomposite for serotonin detection in biological fluids and human embryonic kidney cell microenvironment

A nanosensor made from gold nanostars -graphitic carbon nitride nanocomposite layered on a glassy carbon electrode to detect serotonin in various body fluids has been developed. With a maximum of detection of 15. 1 nM, the tested ST detection probe has achieved a linear dynamic range in the range 5 u00d7 10 u22127 and 1 u22123 M. The fabricated sensor ranges were designed to detect ST detection of the normal and several unusual pathophysiological conditions. In addition, the sensor has been used in the microenvironment of human embryonic kidney cells to determine the presence of ST secretion in cell lines.

Source link: https://doi.org/10.1007/s00604-022-05612-y


Graphitic carbon nitride loaded on powdered mesoporous silica nanoparticles for photocatalytic tetracycline antibiotic degradation under UV-C light irradiation

Tetracycline is the second most common antibiotic group both in terms of production and consumption around the world. graphite-silica carbon nitride nanocomposite was first synthesized and its properties were described using various techniques in this report. The photocatalytic removal of tetracycline by this nanocomposite by this nanocomposite was investigated by the researcher. Then, pH, amount of synthesized nanocomposite, initial tetracycline concentration, and contact time were investigated. g-C_3N_4/KCC-1 nanocomposite has a high ability to degrade tetracycline in the UV/G_3N_4/KCC-1 photocatalytic process, and, as a result, can be used as a cost-effective high-efficiency option to remove tetracycline from aqueous solution, according to the test results.

Source link: https://doi.org/10.1007/s11164-022-04942-z


Enhancement of hydrogen desorption for electrocatalytic hydrogen evolution on nickel-coupled graphite carbon nitride catalysts

To promote water dissociation by virtue of the coupling effect, we use rGO's conjugation to improve in-plane electron mobility of g-C_3N_4 and deposit nickel onto triazine units. For 60 and 100 mA cmu22122 and good stability under alkaline conditions, the optimized rGO/g-C_3N_4/Ni electrode exhibits excellent hydrogen evolution reaction results with lower negative overpotentials of 74 mV and 109 mV. According to Density's functional theory results, nickel-coupled g-C_3N_4 active sites exhibit superior interfacial performance in H* adsorption and desorption. *.

Source link: https://doi.org/10.1007/s11581-022-04800-3


Effect of photonic crystal film as support on enhancement of graphite-carbon nitride quantum dots sensitized Bi_2MoO_6 photocatalytic activity

The introduction of g-CNQDs improved both the light absorption range and charge transfer performance for Bi_2MoO_6/g-CNQDs composites, as well as charge transfer efficiency for Bi_2MoO_6/g-CNQDs composites. To further enhance light efficiency, SiO_2 PCs were mixed to the above Bi_2MoO_6/g-CNQDs/SiO_2 PCs by spin coating to obtain ternary-structured Bi_2MoO_2MoO_6/g-CNQDs/SiO_2 PCs. The effect of the photonic band gap of PCs on photocatalytic activity was investigated, and photocatalytic activity was at 464 nm, which was 5. 56 times larger than pure Bi_2MoO_6. The further the photonic PBG is away from g-CNQD's absorption edge, the lower the composite membranes' photocatalytic capacity is lower. This paper demonstrates that photocatalytic activity will rise thanks to a single-structured photocatalysts with high photocatalytic activity, and that PCs with a narrow band gap will greatly raise photocatalytic activity.

Source link: https://doi.org/10.1007/s10971-022-05994-8


Order−disorder interfaces in a graphitic carbon nitride-nanoclay composite for improved photodynamic antibiotics

We find order-disorder interfaces in graphitic carbon nitride modified by kaolinite nanoclay via polar interactions here, lowering the band gap between g-C_3N_4 to 4. The electron acceptor on the nanoclay surface could create a couple with g-C_3N_4 due to the nucleophilic property of the surface. The polar interactions promote electron transfer, and the nanoclay surface acts as an electron sink due to its polar surface and free energy. Here, polar interactions between graphitic carbon nitride and a nanoclay enhance light absorption and singlet oxygen yield, resulting in increased wound healing in a rat model.

Source link: https://doi.org/10.1038/s43246-022-00301-y

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions