Carbon Letters
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Facile approach to preparation of novel black vitamin C using microwave treatment: characteristics, antioxidant activity, and anti-pollution properties
Carbon Letters - Tập 33 - Trang 431-442 - 2022
Carbon nanodots (CNDs) are 0D quasi-spherical nanoparticles that are less than 10 nm in size. CNDs that possess surface functional groups such as hydroxyl, amino, and carboxyl groups have been demonstrated to scavenge free radicals efficiently and effectively, resulting in them being beneficial for cosmetic and cosmeceutical applications. In this study, we successfully prepared novel CNDs, namely ......
Fabrication of blue fluorescent carbon quantum dots using green carbon precursor Psidium guajava leaf extract and its application in water treatment
Carbon Letters - Tập 32 - Trang 119-129 - 2021
An extract of fresh guava leaves (Psidium guajava) was used as a green carbon precursor to fabricate blue fluorescent carbon quantum dots (GCQDs) by hydrothermal process. The GCQDs show bright blue fluorescence emission under UV light with an excitation wavelength of 350 nm and emission at 450 nm. The physical structure of GCQDs was characterized by Fourier-transform infrared spectroscopy (FT-IR),......
Fabrication of nitrogen-doped porous carbon nanofibers for heavy metal ions removal
Carbon Letters - Tập 31 - Trang 1339-1347 - 2021
In this article, nitrogen (N) doped porous carbon nanofibers (N-PCNF) were prepared by carbonization of polymer-silica nanocomposite precursor, and its application for heavy metal ion removal was demonstrated. Carbon–silica composite nanofibers were obtained by carbonization of electrospun polyacrylonitrile (PAN)-silica nanofiber composites. Subsequent selective etching of silica porogen produced ......
Enhancement of anticorrosion performance of epoxy coatings with exfoliated graphite nanoplatelets and functionalized graphene
Carbon Letters - - 2024
A combination of a series of epoxy coatings filled with octadecylamine (ODA)-modified graphene oxide (mGO) or commercial exfoliated graphite nanoplatelets (xGnP) was developed to boost the anticorrosion performances of mild steel substrates in acidic and NaCl aqueous solutions. The xGnP and mGO were applied successfully as fillers for the preparation of layer by layer (LBL) xGnP or mGO/epoxy coati......
Functionalization of graphene nanoplatelets using sugar azide for graphene/epoxy nanocomposites
Carbon Letters - Tập 16 Số 2 - Trang 101-106 - 2015
Porous heterostructure of h-BN/carbon as an efficient electrocatalyst for hydrogen peroxide generation
Carbon Letters - - 2024
We successfully synthesized a porous carbon material with abundant hexagonal boron nitride (h-BN) dispersed on a carbon matrix (p-BN-C) as efficient electrocatalysts for two-electron oxygen reduction reaction (2e− ORR) to produce hydrogen peroxide (H2O2). This catalyst was fabricated via ball-milling-assisted h-BN exfoliation and subsequent growth of carbon structure. In alkaline solutions, the h-......
Effects of multi-walled carbon nanotube and flow types on the electrical conductivity of polycarbonate/carbon nanotube nanocomposites
Carbon Letters - Tập 29 - Trang 57-63 - 2019
Effects of multi-walled carbon nanotube (MWCNT) type and flow type (shear and elongational flow) on the electrical conductivity of polycarbonate (PC)/MWCNT nanocomposites were investigated. Two different MWCNTs produced a huge difference in electrical conductivity in an injection molded PC/MWCNT nanocomposite. It was observed that MWCNTs having a higher aspect ratio provide much lower electrical c......
Cocos nucifera L.-derived porous carbon nanospheres/ZnO composites for energy harvesting and antibacterial applications
Carbon Letters - - 2024
Carbon nanomaterials (CNMs) have been the subject of extensive research for their potential applications in various fields, including photovoltaics and medicine. In recent years, researchers have focused their attention on CNMs as their high electrical conductivity, low cost, and large surface area are promising in replacing traditional platinum-based counter electrodes in dye-sensitized solar cel......
A high sensitivity strategy of nitrite detection based on CoFe@NC nanocubes modified glassy carbon electrode
Carbon Letters - Tập 33 - Trang 2075-2086 - 2023
In the present study, an innovative electrochemical sensing platform was established for sensitive detection of NO2—. This sensor was developed using CoFe alloy encapsulated in nitrogen-doped carbon nanocubes (named as CoFe@NC-NCS), synthesized through the calcination of polydopamine-coated CoFe Prussian-blue analogues (CoFe-PBA@PDA). The morphological and electrochemical characterization reveals ......
C/SiO2 and C/SiC composite foam monoliths from rice husk for thermal insulation and EMI shielding
Carbon Letters - Tập 32 - Trang 639-651 - 2021
Preparation of advanced functional materials from agricultural waste by eco-friendly processing route is inevitable for sustainable development. This work demonstrates the development of carbon/silica (C/SiO2) and carbon/silicon carbide (C/SiC) composite foam monoliths of low thermal conductivity, high EMI shielding performance and reasonable compressive strength from rice husk. The C/SiO2 and C/S......
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