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Reduced graphene oxide
Synonym(e):
rGO
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About This Item
Lineare Formel:
CxOyHz
UNSPSC-Code:
12352103
NACRES:
NA.23
Empfohlene Produkte
Beschreibung
chemically reduced
Qualitätsniveau
Form
powder
Zusammensetzung
Carbon, ≥75 wt. %
Nitrogen, >5 wt. %
Oxygen, <22 wt. %
Oberflächenbereich
450 m2/g
Leitfähigkeit
>600 S/m
Löslichkeit
water: insoluble
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Allgemeine Beschreibung
The structure of graphene oxide is similar to graphene containing residual oxygen, heteroatoms and structural defects. Reduced graphene oxide (rGO) can be extracted as thin film from an aqueous solution of graphite oxide (GO) slurry. Many modern procedures for the synthesis of GO are based on the Hummers method, in which graphite is oxidized by a solution of potassium permanganate in sulfuric acid. Reduction of GO using hydrazine has been reported. However, hydrazine is highly toxic and can potentially functionalize GO with nitrogen heteroatoms. Because of these issues, alternatives to hydrazine including NaBH4, ascorbic acid, and HI, among others have been used for the reduction of GO. GO can be reduced as a thin film or in an aqueous solution. Reduction methods have been recently reviewed.
Anwendung
The spin-coated reduced graphene oxide (rGO) thin films have been used as annode buffer layer to fabricate bulk heterojunction org. solar cells. PEGylated rGO may be used as:
- chemical sensors, biosensors
- as transparent electrodes in light emitting diodes (LEDs) and ITOs
- in lithium ion batteries.
Angaben zur Herstellung
- Reduction method: Chemically reduced
- Color: Black
- Odor: Odorless
- Solubility: Insoluble
- Dispersability: It can be dispersed at low concentrations (<0.1mg/mL) in NPM, DMSO, DMF
- Electrical conductivity: > 600S/m
- BET surface area: 450 m2/g
Lagerklassenschlüssel
11 - Combustible Solids
WGK
WGK 3
Flammpunkt (°F)
Not applicable
Flammpunkt (°C)
Not applicable
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Zhang; Liming;
Journal of Material Chemistry B: Materials for Biology and Medicine, 1(6), 749-755 (2013)
Somayeh Mousavi Nodoushan et al.
Biosensors & bioelectronics, 127, 221-228 (2019-01-10)
Detection of staphylococcal enterotoxin B (SEB) as a bacterial toxin causing severe food poisoning is of great importance. Herein, we developed an electrochemical aptasensor for SEB detection using a screen printed electrode modified with reduced graphene oxide (rGO) and gold
Goki Eda et al.
Nature nanotechnology, 3(5), 270-274 (2008-07-26)
The integration of novel materials such as single-walled carbon nanotubes and nanowires into devices has been challenging, but developments in transfer printing and solution-based methods now allow these materials to be incorporated into large-area electronics. Similar efforts are now being
Monique C P Mendonça et al.
Nanomaterials (Basel, Switzerland), 9(6) (2019-06-15)
Graphene-based nanomaterials (GBNs) possess unique physicochemical properties, allowing a wide range of applications in physical, chemical, and biomedical fields. Although GBNs are broadly used, information about their adverse effects on ecosystem health, especially in the terrestrial environment, is limited. Therefore
Rosa Garriga et al.
Nanomaterials (Basel, Switzerland), 10(8) (2020-08-23)
Carbon nanomaterials have attracted increasing attention in biomedicine recently to be used as drug nanocarriers suitable for medical treatments, due to their large surface area, high cellular internalization and preferential tumor accumulation, that enable these nanomaterials to transport chemotherapeutic agents
Unser Team von Wissenschaftlern verfügt über Erfahrung in allen Forschungsbereichen einschließlich Life Science, Materialwissenschaften, chemischer Synthese, Chromatographie, Analytik und vielen mehr..
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