High-energy ball milling is performed on Li1.1Mn1.95Fe0.05O4 spinel material, synthesized by sol-gel method for lithium rechargeable battery, at different durations to obtain nanopowders of finite size distributions. The powders are investigated means scanning electron microscopy, particle distribution, and X-ray diffraction (XRD) measurements. structural analysis the investigate effect size, crystallite lattice strain. micrographs distribution measurements show that decreases with increase...

Long cycle life and high energy/power density are imperative for energy storage systems. Similarly, flexible free-standing electrodes important supercapacitor applications. Herein, we report, the first time, use of thienothiophene (TT) a single-walled carbon nanotube (SWCNT)-based hybrid material (TT-TPA-SWCNT) as high-performance supercapacitor. The synthesized TT derivative, TT-TPA, was directly attached to SWCNT through noncovalent interactions obtain TT-based hybrid, TT-TPA-SWCNT, film....

In this work, symmetrical supercapacitors in the form of coin cell types were produced by using S-doped graphene powders.

In this study, symmetric supercapacitors in the form of coin cells were produced by using N-doped graphene powders as electrode components. Nitrogen-doped prepared Yucel's Method with cyclic voltammetry at different potential ranges for selective modification functional groups. Electrochemical, spectroscopic, and microscopic characterizations carried out. The formation layers was supported scanning electron microscopy Raman analysis. Functional groups formed on surfaces determined X-ray...

In this study, a bovine serum albumin (BSA)-coated magnetic single-walled carbon nanotube (mCNT) was synthesized using covalent functionalization. Mitoxantrone (MTO) chosen as model drug, and loading/release profiles of mCNTs were evaluated. To synthesize BSA-coated mCNT, 1-ethyl-3-(3-(dimethylamino)propyl) carbodiimide N-hydroxysuccinimide used cross-linking agents. The success the functionalization process demonstrated through various analysis techniques such Fourier transform infrared...

Hazelnut shell was used as a precursor in the production of activated carbon by chemical activation with H 3 PO 4 since there is huge volume such solid waste resulting from hazelnut eastern Black Sea region Turkey.Effects final temperature, time and concentration impregnation stage on porous development were investigated.Activation at low temperature represented that micropores developed first then mesoporosity developed, enhanced up to 400 • C started decrease due possible shrinking...

Single-walled carbon nanotubes (SWNTs) have become increasingly exploited in biological applications, such as imaging and drug delivery. The application of SWNTs settings requires the surface chemistry to remain through low solubility aqueous media. In this research, a facile approach for preparation polyethylene glycol (PEG)-coated SWNT-based nanocarrier was reported. We focused on effect PEG chain length SWNT size cytotoxicity PEG-coated superior delivery nanovector. First, all-atom...

Single-walled carbon nanotubes (SWCNTs) outperform other materials due to their high conductivity, large specific surface area, and chemical resistance. They have numerous biomedical applications, including the magnetization of SWCNT (mSWCNT). The drug loading release properties see-through pectin hydrogels doped with SWCNTs mSWCNTs were evaluated in this study. active molecule hydrogel structure is allantoin, calcium chloride serves as a cross-linker. In addition mixing, absorption,...

Abstract Once dispersion and cytotoxicity issues are resolved, it has been proven that carbon nanotubes (CNTs) have great advantages in biomedical applications due to their unique properties. In this study, the superiority of was combined with magnetic targeting strategies, a solution distribution problem aqueous media resulting CNTs decorated iron oxide (mCNTs) sought. A non‐covalent functionalization approach utilized overcome fundamental drawback mCNTs. Conjugates polyethylene glycol...

Abstract As coal becomes more and important as a power plant fuel in this time of energy shortage the combustion high-sulfur coals that would impair air quality, efforts have been made to devise efficient processes control sulfur dioxide emission. Besides desulfurization before combustion, flue gas is considered most promising method could also be applicable all other fossil fuels. In article, are briefly reviewed, with highest use high potential for future compared from technical economical...

The aim of this investigation was to determine the adsorption behavior chromium (VI) on two different activated carbon samples produced from Tuncbilek lignite. effects initial concentration (250-1000 mg/L), temperature (297-323 K) and pH (2.0-9.5) were investigated systematically. effectiveness parameters found be in order pH, Cr(VI) temperature. Increasing 2.0 9.5 caused a decrease adsorption. However, increased by increasing multilinear mathematical model also developed predict within...

The aim of this study was to synthesize the carbon-based nanomaterials and determine their hydrogen storage capacities. Carbon nanotubes (CNTs) were first synthesized by chemical vapor deposition (CVD) acetylene (C2H2) on a magnesium oxide (MgO) powder impregnated with an iron nitrate (Fe(NO3)3·9H2O) solution. synthesis parameters selected as temperatures 500 800°C, content in precursor 5% time 30 minutes. material purified using HCl at 75°C for 15 hours. After CNTs, polyaniline-doped H3BO3...

In this study, carbon nanotubes were synthesized at temperatures of 500 • C and 800 by the uidized--bed chemical vapor deposition method.The material was puried using 3 M HCl 75 C, 15 h.After synthesis purication, polyaniline-doped H3BO3 BF3 composites prepared coagulation method.Transmission electron microscope Fourier transform infrared spectroscopy used to characterize their composites.Thermal stabilities measured thermogravimetry dierential scanning calorimetry instruments.The derivative...

Herein, some fundamental open questions on engineering of "super" hydrogen sorption (storage) in carbonaceous nanomaterials are considered, namely: 1) thermodynamic stability and related characteristics hydrogenated graphene layers nanostructures: relevance to the storage problem; 2) determination hydrides; 3) a treatment interpretation recent STM, STS, HREELS/LEED, PES, ARPS Raman spectroscopy data hydrogensorbtion with epitaxial graphenes; 4) physics intercalation into surface...