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Merck
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Key Documents

900450

Sigma-Aldrich

Graphene dispersion

greener alternative

1 mg/mLin DMF, sheet resistance 4.8 kΩ/sq, avg. no. of layers, 1 ‑ 3

别名:

Conductive ink, Electrochemically exfoliated graphene ink, Graphene ink

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About This Item

分類程式碼代碼:
12141908
NACRES:
NA.23

product name

石墨烯分散体, 1 mg/mL in DMF, sheet resistance 4.8 kΩ/sq, avg. no. of layers, 1 ‑ 3

品質等級

100

形狀

dispersion

特點

avg. no. of layers 1 ‑ 3

環保替代產品特色

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

sustainability

Greener Alternative Product

濃度

1 mg/mL (electrochemically exfoliated graphene)
1 mg/mL in DMF

環保替代類別

, Enabling

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相关类别

一般說明

  • Graphene preparation method: electrochemical exfoliation.
  • Graphene thickness by AFM: 80%, 1-3 layers.
  • Sheet size by AFM: Few micrometers
  • Oxygen content: 7.5% (by XPS) (C/O-ratio: 12.3).
  • Raman I_D/I_G ratio: 0.4.
  • Sheet resistance: 4.8 kΩ/sq.
  • Typical properties of films produced thereof (after dry transfer from PTFE-filter):
15 nm film: 85% transmittance, sheet resistance of 16 kΩ/sq (as made), 4.1 kΩ/sq (after 30 min, 200 °C), <1 kΩ/sq (conc. HNO3-treatment).
25 nm film: 73% transmittance, sheet resistance of 8 kΩ/sq (as made), 2.4 kΩ/sq (after 30 min, 200 °C), <1 kΩ/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.

訊號詞

Danger

危險分類

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

儲存類別代碼

3 - Flammable liquids

水污染物質分類（WGK）

WGK 2

閃點（°F）

139.0 °F

閃點（°C）

59.44 °C

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分析证书(COA)

Lot/Batch Number
MKCN1131

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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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