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921408

Sigma-Aldrich

Titanium Carbide MXene dispersion in propylene carbonate

Synonym(s):

Titanium Carbide MXene

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About This Item

Linear Formula:
Ti3C2Tx
CAS Number:
12363-89-2
MDL number:
MFCD00865660
UNSPSC Code:
12352302
NACRES:
NA.23
Pricing and availability is not currently available.

form

dispersion

Quality Level

100

concentration

≥0.5 mg/mL in propylene carbonate

color

faint gray to black

application(s)

battery manufacturing

storage temp.

−20°C

General description

This high purity Ti3C2Tx product is a two-dimentional (2D) titanium carbide (Ti3C2) MXene material dispersed into propylene carbonate at a concentration of 1 mg/mL, where Tx is Cl, F, and OH. This product is packaged under an inert atmosphere giving it longer shelf life compared to water based dispersions. It may contain traces of Ti2AlC.

Application

This MXene (Ti3C2) dispersion product contains delaminated MXene flakes suspended in Propylene carbonate provide a stable suspension versus aqueous-based dispersions. [1][2][3] Propylene carbonate between the high surface area MXene layers may form a continuous interface between the MXene layers and the PC/EC electrolyte used in the Na-ion battery, possibly allowing easier diffusion of Na+ into the electrodes. [4]

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H319

Hazard Classifications

Eye Irrit. 2

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

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Certificates of Analysis (COA)

Lot/Batch Number
MKCP7163

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Dispersions of Two-Dimensional Titanium Carbide MXene in Organic Solvents.
Chemistry of Materials, 29(4), 1632-1640 (2017)
Highly conductive optical quality solution-processed films of 2D titanium carbide.
Dillon A D, et al.
Advances in Functional Materials, 26, 4162-4168 (2016)
2D Ti3C2Tz MXene Synthesized by Water-free Etching of Ti3AlC2 in Polar Organic Solvents.
Natu V, et al.
Chem, 6(3), 616-630 (2020)
Michael Naguib et al.
ACS nano, 6(2), 1322-1331 (2012-01-28)
Herein we report on the synthesis of two-dimensional transition metal carbides and carbonitrides by immersing select MAX phase powders in hydrofluoric acid, HF. The MAX phases represent a large (>60 members) family of ternary, layered, machinable transition metal carbides, nitrides

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MXenes Empowering Next Gen Batteries and Hydrogen Evolution

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Questions

1–4 of 4 Questions  

  1. 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

      Helpful?

  2. 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?

  3. What is the concentration of this dispersion? Is it readily usable or does it require any centrifuging or sonication?

    1 answer

    1. This product is ready to use, no sonication or further preparation is required. The minimum concentration specification is 50 mg/mL. The exact value is reported on a lot-specific Certificate of Analysis.

      Please see the link below to access a sample or lot specific Certificate:
      https://www.sigmaaldrich.com/product/aldrich/921408#product-documentation.

      Helpful?

  4. Do we have to synthesise it further or it’s ready to use. What would the Tx in this. Is it soluble in DMF or Acetic acid.

    1 answer

    1. This product is ready to use and no further synthesis is required. The Tx surface termination groups can be Cl, F, and OH. This product is not tested for solubility, however, a study has been performed in Chemistry of Materials, 29(4), 1632-1640 (2017).
      See the image below to review the results.

      Helpful?

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