supporting information photo-synergetic electrochemical synthesis of graphene oxide

Improving the Visible Light Photoactivity of In2S3 Graphene_

Synthesis of Graphene Oxide (GO). GO was synthesized from natural graphite powder by a modi?ed Hummers' method.27,38?46 The detail of the typical process is presented in the Supporting Information. c. Fabrication of In2S3?GR Nanocomposites. In2S3

Molecules

Graphene oxide-based (GO-based)/reduced graphene oxide-based (rGO-based) materials are used as photocatalysts for pollutant abatement [14,15,16,17]. In this context, focusing on the recent developments, an attempt is made in the present review to discuss the advantages and disadvantages of the composite in comparison with pristine graphene.

One‐Pot Hydrothermal Synthesis of Ternary

A new ternary composite of 1T‐molybdenum disulfide, hexagonal tungsten trioxide, and reduced graphene oxide (M‐W‐rGO) is synthesized by using a one‐pot hydrothermal process. The synergetic effect of 1T‐MoS 2 and hexa‐WO 3 nanoflowers improves the electrochemical performance for supercapacitors by inducing additional active sites and hexagonal tunnels, respectively, which lead to

J. Compos. Sci.

Graphene oxide (GO) and reduced graphene oxide (rGO) are widely used derivatives of graphene (see Figure 4), both in their pristine and composite form. Their main applications are supercapacitors, photovoltaics, adsorbents, filtration membrane, sensors, lithium-ion batteries, anti-corrosion materials, sodium-ion batteries, and drug delivery solar cells, and photocatalysis [ 27 ].

Interfacial engineering of cobalt sulfide/graphene

These methods include the synthesis of MS 2 /NS-G, MS/NS-G, and NS-G hybrid catalysts, structural characterization, and electrochemical measurements. The calculation method of NH 3 yield rate and Faradaic efficiency, product quantification, as well as 15 N 2 isotope labeling experiment are also are provided in SI Appendix .

High photocatalytic and photo‐Fenton‐like activities of

ZnO–reduced graphene oxide (rGO) nanocomposites with rGO/ZnO mass ratio of 0–0.20 were synthesised by a hydrothermal method. The photodegradation experiments of malachite green in water on the nanocomposites indicated that the photodegradation rate

National Center for Biotechnology Information

2014/3/26Results and Discussion Herein, we utilized a recently developed graphene derivative, holey reduced graphene oxide (hRGO; Figure Figure1 1 a), 36 which demonstrates p-type semiconductor transfer characteristics and is endowed with an abundance of oxygen-containing groups (especially on the edges of holes), 37 as the transducer element in FET devices as a proof-of-principle for the

Photo‐synergetic nitrogen‐doped MXene/reduced

Photo‐synergetic nitrogen‐doped MXene/reduced graphene oxide sandwich‐like architecture for high‐performance lithium‐sulfur batteries Zhun Wang College of Science College of Materials Science and Engineering, Guilin University of Technology, Guilin, China

Enhanced simultaneous detection of ractopamine and salbutamol

16 graphene oxide (RGO) can be obtained by the reduction of graphene oxide (GO) 17 cost-effectively on a large scale, leading to an attractive application prospect for 18 electrochemical devices. Haifu et al (2014) successfully synthesized

Molecules

Graphene oxide-based (GO-based)/reduced graphene oxide-based (rGO-based) materials are used as photocatalysts for pollutant abatement [14,15,16,17]. In this context, focusing on the recent developments, an attempt is made in the present review to discuss the advantages and disadvantages of the composite in comparison with pristine graphene.

Carbon Nitride/Reduced Graphene Oxide Film with

Here the synthesis of a highly porous carbon nitride/reduced graphene oxide (CN‐rGO) film with good photo‐electrochemical properties is reported. The CN‐rGO film exhibits long electron diffusion length and high electrochemical active surface area, good charge separation, and

A recent trend: application of graphene in catalysis

Graphene, an allotrope of carbon in 2D structure, has revolutionised research, development and application in various disciplines since its successful isolation 16 years ago. The single layer of sp2-hybridised carbon atoms brings with it a string of unrivalled characteristics at a fraction of the price of its competitors, including platinum, gold and silver. More recently, there has been a

One

Direct methanol fuel cells (DMFCs) have recently become the research hotspot, due to their high energy-conversion efficiency, low operating temperature, and low exhaust emission. In this study, PtCo nanoalloys supported on reduced graphene oxide (RGO) were successfully synthesized via a one-step reduction method, carried out by coreduction of PtCl6 2−, Co2+ and graphene oxide (GO) in

Holey Graphene for Electrochemical Energy Storage: Cell

For example, if graphene oxide (GO) is used as starting material, the abundant defect sites can act as the main seeding sites for the creation of holes to form HG oxide (HGO). The reduction of HGO is similar to that of GO, which can be accomplished via chemical, thermal, and electrochemical processes.

One

An effective and facile approach was developed for preparing non-enzymatic hydrogen peroxide (H2O2) sensors on the basis of Polyvinylpyrrolidone-reduced graphene oxide-palladium nanoparticles (PVP-rGO-Pd NPs)-modified glassy carbon (GC) electrode. One-step wet-chemical method was applied for preparing PVP-rGO-Pd NPs. The synergic effect of nanocomposites provided an advantageous micro

Graphene Oxide‐Directed Tunable Assembly of MoS2

By simply increasing the amount of graphene oxide (GO) during the synthesis, the 3D assembly of MoS 2 can be tuned from nanoflowers to cross‐linked nanosheets firmly attached to rGO. The structural and compositional analysis show that MoS 2 nanostructures in the hybrids are constituted by ultrathin nanosheets with single or a few layers, and the GO precursor is reduced as rGO simultaneously.

MoS Nanoparticles Grown on Graphene: An Advanced Catalyst

bS Supporting Information ABSTRACT: Advanced materials for electrocatalytic and photoelectrochemical water splitting are central to the area of renewable energy. In this work, we developed a selective solvothermal synthesis of MoS 2 nanoparticles on reduced

BJNANO

A green and facile approach has been developed for the large-scale synthesis of nanosheets of reduced graphene oxide (rGO) and nitrogenated reduced graphene oxide (N-rGO). This has been achieved by direct thermal decomposition of sucrose and glycine at 475 C in ca. 7 minutes, respectively.

BJNANO

Introduction Graphene consists of a single layer of carbon in a two-dimensional (2D) lattice. It is a densely packed, atomically thin layer of sp 2 hybridised carbon atoms arranged in a honeycomb network. Since the first report in 2004, graphene has attracted great interest in the scientific community due to its unique properties such as superior charge carrier mobility, high transparency

One

Graphene, one of the most attractive two-dimensional nanomaterials, has demonstrated a broad range of applications because of its excellent electronic, mechanical, optical, and chemical properties. In this work, a general, environmentally friendly, one-pot method for the fabrication of reduced graphene oxide (RGO)/metal (oxide) (e.g., RGO/Au, RGO/Cu2O, and RGO/Ag) composties was developed

Enhanced simultaneous detection of ractopamine and salbutamol

16 graphene oxide (RGO) can be obtained by the reduction of graphene oxide (GO) 17 cost-effectively on a large scale, leading to an attractive application prospect for 18 electrochemical devices. Haifu et al (2014) successfully synthesized

Supporting Information graphitic carbon for efficient bifunctional oxygen electrocatalysis Reduced graphene oxide

Supporting Information Reduced graphene oxide-supported cobalt oxide decorated N-doped graphitic carbon for efficient bifunctional oxygen electrocatalysis Meng Li,a,# Cheng Bao,a,# Yuting Liu,a Jing Meng,a Xia Liu,a Yongliang Cai,a Delvin Wuu,c Yun Zong,c Teck-Peng Loh, a,b Zhijuan Wang*a

Synthesis and characterization of TiO2/graphene oxide

For comparison, the reduced graphene oxide (rGO) was prepared by thermal treatment at 400 C in nitrogen atmosphere according to the method described in the ref. 35. 2.1.2 Synthesis of TiO 2 TiO 2 was prepared by the hydro-thermal method. 15 80 mL 16 H

Synthesis of graphene quantum dots and their

2020/10/2From graphite to graphene oxide and graphene oxide quantum dots. Small. 2017;13:1601001. Article CAS Google Scholar 48. Teymourinia H, Salavati-Niasari M, Amiri O, Farangi M. Facile synthesis of graphene quantum dots from corn powder

Graphene

2020/6/6Graphene-based materials have been widely studied for the fabrication of electrodes in dye-sensitized solar cells (DSSCs). The use of graphene in the cathode is to reduce the amount of platinum (Pt), which in turn is expected to reduce the production cost of DSSCs. Additionally, in the structure of cathode, graphene acts as a supporting material to reduce the particle sizes of Pt and helps to

Synergetic ternary metal oxide nanodots

2020/9/1In electrochemical energy storage, multi-metal oxide cathode materials can generally provide a wider electrochemical stability window and a higher capacity compared with single metal oxides cathode. Here, a new type of cathode material, MnFe 2 Co 3 O 8 nanodots/functional graphene sheets, is designed and used for aqueous hybrid Zn-based energy storage.

Platinum nanoparticles supported on nitrogen and

General procedure for the synthesis of compound 1 (for nitrogen and sulfur-functionalized reduced graphene oxide) 5-Amino-2-mercaptobenzimidazole (0.01 mol) was treated with formic acid (0.01 mol), and then the mixture was refluxed for 5 h and filtered [].

Synthesis of graphene oxide nanosheets by

An electrochemical method is reported for the production of graphene oxide (GO) and graphene nanosheets using the following steps: electrochemical intercalation of cetyltrimethylammonium bromide (CTAB) into graphite followed by the electrochemical exfoliation of

National Center for Biotechnology Information

2014/3/26Results and Discussion Herein, we utilized a recently developed graphene derivative, holey reduced graphene oxide (hRGO; Figure Figure1 1 a), 36 which demonstrates p-type semiconductor transfer characteristics and is endowed with an abundance of oxygen-containing groups (especially on the edges of holes), 37 as the transducer element in FET devices as a proof-of-principle for the

BJNANO

The number value of the suffix at TRGO specifies the temperature (in degree Celsius) that was used to reduce the graphite oxide to TRGO (Scheme S1 and Scheme S2 in Supporting Information File 1). Thiol-functionalized TRGO-SH [62] was additionally used to support metal-fluoride nanoparticles.

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