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Merck
모든 사진(2)

Key Documents

900704

Sigma-Aldrich

Graphene oxide

greener alternative

paste, non-exfoliated

동의어(들):

Graphene oxide nanoplatelets

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About This Item

Linear Formula:
CxHyOz
UNSPSC 코드:
12352119
NACRES:
NA.23

Quality Level

형태

paste

구성

C, ≥3% (by gravimetric analysis combined with EA)

환경친화적 대안 제품 특성

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

환경친화적 대안 카테고리

일반 설명

Handling of large quantities of GO powder is not recommended since graphene oxide powder is thermally unstable. Graphene oxide paste can make storage and transportation of large quantities in a safe manner. Graphene oxide solutions of desired concentration or graphene oxide paper or sheet can be made from graphene oxide paste. Sonication is required to obtain single layers of graphene oxide. To make a concentrated aqueous dispersion that will not settle under gravity: add 25 mL water/1 g paste, stir overnight for 16 h, sonicate for 30 minutes in a mild bath sonicator. Centrifuge (effective diameter of the rotor is 23 cm) at 3500 rpm for 10 minutes to remove any large unexfoliated particles and decant the supernate to give ∼2 mg/mL graphene oxide in water. The above concentrate can be diluted and sonicated further to get single layer graphene oxide.
We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product belongs to Enabling category of greener alternatives thus aligns with "Design for energy efficency". Graphene based inks are ideal elements for 3D printed energy storage devices. Click here for more information.
We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product belongs to Enabling category of greener alternatives thus aligns with "Design for energy efficency". High concentrated graphene oxide sheets provide the prerequisite viscosity to bind the electrode materials together and enable 3D printing. Using water as a green solvent makes this aqueous ink system feasible for processing and drying safety and low cost. Click here for more information.

애플리케이션

  • Composites.
  • Inks and coatings.
  • Transparent conductive films.
  • Supercapacitors.
  • Batteries.
  • Graphene oxide sheets at interfaces.
This product can be used in material extrusion 3D printing technique.

픽토그램

Corrosion

신호어

Warning

유해 및 위험 성명서

Hazard Classifications

Eye Irrit. 2 - Met. Corr. 1 - Skin Irrit. 2

Storage Class Code

8B - Non-combustible corrosive hazardous materials

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable


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Seungae Lee et al.
Nanoscale, 8(40), 17551-17559 (2016-10-08)
A highly transparent paste adhesive is successfully fabricated by introducing graphene oxide (GO) to silicone paste adhesive by using a solvent-exchange method. The GO incorporated in the paste adhesive has a significant role in improving thermal conductivity, transparency and adhesive
Amperometric enzyme-free glucose sensor based on the use of a reduced graphene oxide paste electrode modified with electrodeposited cobalt oxide nanoparticles.
Hassan H, and Esmaeil H
Microchimica Acta, 183(7), 2259-2266 (2016)

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