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805424

Sigma-Aldrich

还原氧化石墨烯

别名:

rGO

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About This Item

线性分子式:
CxOyHz
UNSPSC代码:
12352103
NACRES:
NA.23

描述

chemically reduced by hydrizine

表单

powder

组成

Carbon, >75%
Nitrogen, <5%

表面积

103 m2/g

电导率

7111 S/m (pressed pallet)

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一般描述

通过肼化学还原。

应用

肼还原的氧化石墨烯可用作微波吸收材料。[1]其他应用包括：
  • 超级电容器
  • 染料敏化太阳能电池和有机太阳能电池
  • 电池
  • 药物递送

储存分类代码

11 - Combustible Solids

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
MKCL9981
MKBW8677V

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Sulfonated reduced graphene oxide sodium salt

Sigma-Aldrich

909130

Sulfonated reduced graphene oxide

Chun Kiang Chua et al.
Chemical Society reviews, 43(1), 291-312 (2013-10-15)
The chemical reduction of graphene oxide is a promising route towards the large scale production of graphene for commercial applications. The current state-of-the-art in graphene oxide reduction, consisting of more than 50 types of reducing agent, will be reviewed from
Nickel-Cobalt Layered Double Hydroxide Nanosheets for High-performance Supercapacitor Electrode Materials
Chen, et al.
Advances in Functional Materials, 24(7), 934-942 (2014)
805424
Wang C, et al.
Applied Physics Letters, 98(7), 072906-072906 (2011)
Daniel R Dreyer et al.
Chemical Society reviews, 39(1), 228-240 (2009-12-22)
The chemistry of graphene oxide is discussed in this critical review. Particular emphasis is directed toward the synthesis of graphene oxide, as well as its structure. Graphene oxide as a substrate for a variety of chemical transformations, including its reduction

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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。

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Advances in scalable synthesis and processing of two-dimensional materials

Questions

1–2 of 2 Questions  

  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

      Helpful?

  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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