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799084

Sigma-Aldrich

Graphene nanoplatelets

powder, avg. no. of layers, 5 ‑ 7

Synonym(s):

GNP powder, Graphene powder

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About This Item

Empirical Formula (Hill Notation):
C
CAS Number:
7782-42-5
Molecular Weight:
12.01
EC Number:
231-955-3
UNSPSC Code:
12352103

description

Surfactant type: Anionic Surfactant

form

powder

feature

avg. no. of layers 5 ‑ 7

composition

Graphene nanoplates as produced

sheet resistance

10 (+/-5) Ω/sq (for a 25 μm film)

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General description

Raman D/G and D/D′: 0.28 and 5.0 (The 2D band shape indicates the presence of few-layer graphene flakes with an average of 5-7 atomic layers)

Application

  • Graphene (nano)composite materials
  • Conductive coatings
  • Conductive Inks
  • Energy Storage

Storage Class Code

11 - Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
MKCL5705
MKCH6554
MKCC1502
MKBZ1957V
MKBX9558V

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Graphene nanoplatelets 15 μm particle size

Sigma-Aldrich

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Graphene nanoplatelets

Electrical conductivity maps in graphene nanoplatelet/silicon nitride composites using conducting scanning force microscopy
Ramirez, C.; Garzon, L.; Miranzo, P.; et al.
Carbon, 49(12), 3873-3880 (2011)
Xiaofeng Liu et al.
Advanced materials (Deerfield Beach, Fla.), 25(43), 6284-6290 (2013-08-22)
Inspired by black powder explosion, a mixture of sugar and nitrate is diluted with inert molten salt, such that their rapid reaction is moderated, allowing capturing of the intermediacy product: highly porous N-doped graphene nanoplates. The methodology is extended to
Metin Uz et al.
ACS applied materials & interfaces, 12(11), 13529-13539 (2020-02-23)
In this study, a simple microfluidic method, which can be universally applied to different rigid or flexible substrates, was developed to fabricate high-resolution, conductive, two-dimensional and three-dimensional microstructured graphene-based electronic circuits. The method involves controlled and selective filling of microchannels

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Graphene-Based Composites and their Unique Renewable Energy Applications

Graphene is a unique two-dimensional (2D) structure of monolayer carbon atoms packed into a dense honeycomb crystal that has attracted great interest due to its diverse and fascinating properties.

3D Printing Graphene Ink: Creating Electronic and Biomedical Structures and Devices

Since its discovery little more than a decade ago,1 the two-dimensional (2D) allotrope of carbon—graphene—has been the subject of intense multidisciplinary research efforts.

Graphene Nanoribbons: Production & Applications

Graphene's unique properties spark interdisciplinary interest; its honeycomb structure offers electrical, optical, and mechanical marvels.

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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

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  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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