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Electrochemical Behavior of Cobalt Oxide/Boron ...

Electrodes from hydrothermally synthesized boron-incorporated reduced graphene oxide (B-rGO), Co3O4, and Co3O4/B-rGO nanocomposites are tested in 2 M KOH and NaOH electrolytes for supercapacitor applications. Structural characterization was done by x-ray diffraction and x-ray photoelectron spectroscopy. Cyclic voltammogram of B-rGO indicates partial electrical double-layer …

Graphene Oxide to B, N Co-doped Graphene through …

2019-9-1 · In this present work, we report a simple hydrothermal synthesis of B and N co-doped reduced graphene oxide through trisdimethylaminoborane complex. Maximum B and N atoms with an atomic percentage of 2.30 and 4.12 at.% respectively, were achieved onto the GO framework at the reaction temperature of 250°C. Introduction of B and N into the GO matrix was confirmed by X-ray …

Tuning the properties of boron-doped reduced …

Boron-doped reduced graphene oxide (B-rGO) was synthesized via a chemical vapor deposition method by using GO and varying amounts of boric anhydride, as a boron precursor, at a doping temperature of 600 1C. The B-rGO samples were characterized by standard spectroscopic techniques. B-rGO had a sheet structure with various graphene islands and ...

Sulfur-Doped Alkylated Graphene Oxide as High …

2020-1-30 · Sulfur-doped graphene oxide (SA-GO) prepared by sulfuration and alkylation of graphene oxide is applied as an efficient green anti-wear additive for harsh operation conditions of engines. X-ray photoelectron spectroscopy analysis reveals the sulfur content of octadecylamine-modified SA-GO (sulfuration follows alkylation) is increased by 79 times compared with the reverse process that ...

Successful boron-doping of graphene nanoribbon

Towards a Nitrogen Oxide-Sensor. The doped site of the boron atom was unambiguously confirmed and its doping ratio – the number of boron atoms relative to the total number of atoms within the ...

Effect of Boron Doping On Graphene Oxide for …

Boron doped graphene oxide (B-GO) is a highly effective adsorbent for ammonia due to the high density of strong Lewis acid sites arising from the boron. GO was doped by various amounts of boron described as xB-GO (x= 1.0, 3.0, and 5.0). B-GO was successfully synthesized and the boron doping was confirmed by X-ray diffraction, Fourier transform infrared spectroscopy, and X-ray photoelectron ...

Graphene Dispersion in Water | Graphene Oxide …

Not only do graphene water dispersions have a high thermal and electrical conductivity, but scientists actually have the ability to fine-tune lateral graphene sheets to be any shape and size. This grants you complete control over the type of graphene oxide water dispersion you purchase.

Boron-Doped Reduced Graphene Oxide with Tunable …

Graphene and its hybrids are being employed as potential materials in light-sensing devices due to their high optical and electronic properties. However, the absence of a bandgap in graphene limits the realization of devices with high performance. In this work, a boron-doped reduced graphene oxide ( …

Boron-Doped Reduced Graphene Oxide with Tunable …

Boron-Doped Graphene for Electrocatalytic N2 …

Boron-doped graphene with different boron structures was rationally synthesized to enhance the adsorption of N2, thus enabling an efficient metal-free electrocatalyst for electrochemical N2 reduction in aqueous solution at ambient conditions. At a doping level of 6.2%, boron-doped graphene achieved a NH3 production rate of 9.8 μg·hr−1·cm−2 and an excellent faradic efficiency (10.8% at ...

Graphene Dispersion in Water | Graphene Oxide …

Graphene Oxide to B, N Co-doped Graphene through …

Highly-dispersed Boron-doped Graphene Nanosheets …

Boron doped graphene nanosheets (B-GR) as a p-type semiconductor, provides much more edges to facilitate the loading of TiO2 nanoparticles (P25). Highly-dispersed P25/B-GR nanosheets with the size ...

Boron doped graphene oxide: synthesis and …

In this present research, we have synthesized graphene oxide (GO) by modified Hummer’s method using graphite flake as starting material. Boron atoms were successfully doped into the GO framework with an atomic percentage of 1.64 1.89 at. % by hydrothermal reduction using boric acid as a precursor.

Boron doped graphene oxide: synthesis and …

Boron doped graphene oxide with enhanced …

2020 - Production and processing of graphene and related materials 2020 - Gas hydrates in sustainable chemistry 2019 - Multiscale Simulations of Biological Membranes: The Challenge To Understand Biological Phenomena in a Living Substance 2014

Boron doped graphene oxide with enhanced …

Contrary Effect of B and N Doping into Graphene and ...

2020-11-25 · Molybdenum disulfide (MoS$_2$) attracts attention as a high efficient and low cost photocatalyst for hydrogen production, but suffers from low conductance and high recombination rate of photo-generated charge carriers. In this work, we investigate the MoS$_2$ heterostructures with graphene variants (GVs), including graphene, graphene oxide, and their boron- and nitrogen-doped …