Merck
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安全信息

900448

Sigma-Aldrich

石墨烯分散体

greener alternative

≥0.2 mg/mL in DMF, sheet resistance 2 kΩ/sq, avg. no. of layers, 1 ‑ 3

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别名:
Conductive ink, Electrochemically exfoliated graphene ink, Graphene ink

描述

Dispersion in DMF

质量水平

形式

dispersion

特点

avg. no. of layers 1 ‑ 3

环保替代产品特性

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

浓度

≥0.2 mg/mL (electrochemically exfoliated graphene)
≥0.2 mg/mL in DMF

环保替代产品分类

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一般描述

  • Graphene preparation method: electrochemical exfoliation.
  • Graphene thickness by AFM: ∼80% 1-3 layers.
  • Sheet size by AFM: 5-10 μm.
  • Oxygen content: 5.5 at.% (C/O-ratio: 17.2).
  • Raman I_D/I_G ratio: 0.25.
  • Sheet resistance: 2 kΩ/sq.
  • Typical properties of films produced thereof (after dilution to 0.1 mg/mL and dry transfer from PTFE-filter):
6 nm film: 91% transmittance, sheet resistance of 24.2 kΩ/sq (as made), 7.9 kΩ/sq (after 30 min, 200 °C), <1 kΩ/sq (conc. HNO3-treatment).
16 nm film: 73% transmittance, sheet resistance of 7.6 kΩ/sq (as made), 1.8 kΩ/sq (after 30 min, 200 °C), <500 Ω/sq (conc. HNO3-treatment).
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 inks are highly conductive, low cost and super flexible. Click here for more information.

警示用语:

Danger

危险分类

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Eye Irrit. 2 - Flam. Liq. 3 - Repr. 1B

储存分类代码

3 - Flammable liquids

WGK

WGK 2

闪点(°F)

131.0 °F

闪点(°C)

55 °C

法规信息

危险化学品

分析证书(COA)

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示例

T1503
货号
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25G
包装规格/数量

其它示例:

705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

输入内容 1.000309185)

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Khaled Parvez et al.
Journal of the American Chemical Society, 136(16), 6083-6091 (2014-04-02)
Mass production of high-quality graphene sheets is essential for their practical application in electronics, optoelectronics, composite materials, and energy-storage devices. Here we report a prompt electrochemical exfoliation of graphene sheets into aqueous solutions of different inorganic salts ((NH4)2SO4, Na2SO4, K2SO4

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