777684
Reduced graphene oxide
Synonym(s):
rGO
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About This Item
Linear Formula:
CxOyHz
NACRES:
NA.23
UNSPSC Code:
12352103
description
chemically reduced
Quality Level
form
powder
composition
Carbon, ≥75 wt. % , Nitrogen, >5 wt. % , Oxygen, <22 wt. %
greener alternative product characteristics
Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.
sustainability
Greener Alternative Product
surface area
450 m2/g
conductivity
>600 S/m
solubility
water: insoluble
greener alternative category
General description
We are committed to bringing you Greener Alternative Products that adhere to one of the four categories of Greener Alternatives. This enabling product synthesizes 2D materials with thin layers and high purity, enhancing applications in energy generation, transport, and storage while promoting sustainable practices. Click here for more information.
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.
Application
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.
Preparation Note
- 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
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Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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Articles
自从十多年前被发现以来，碳-石墨烯的二维（2D）同素异形体一直是密集的多学科研究工作的主题。
3D打印是一种增材制造，可用于快速制造具有高度可定制几何形状的部件。
氧化石墨烯是一种独特的材料，可以看做连接有多种氧基官能团的单分子层石墨，官能团包括环氧基、碳基、羧基和羟基。
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
Zhang; Liming;
Journal of Material Chemistry B: Materials for Biology and Medicine, 1(6), 749-755 (2013)
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
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 777684-250MG | 04061835563876 |
| 777684-500MG | 04061835512089 |