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2D Semiconductors

OUR PRODUCTS

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Monolayer MoSe2 Solution

$340.00

Monolayer MoSe2 Solution

$340.00
SKU:
Sol-MoSe2

Product Description

This product contains MoSe2 flakes solution in ethanol. The MoSe2 solution has been developed by ultrasonic treatment of bulk MoSe2 high quality crystals synthesized through vapor transport (CVT) technique. Since the starting material (CVT grown MoSe2 crystals) is highly crystalline, ultrasonic treatment to delaminate MoSe2 layers yields highly crystalline MoSe2 mono-, few-, and some thick layers suspended in ethanol solution. The crystallinity of MoSe2 nanomaterials has been confirmed through electron energy dispersive spectroscopy (EDAX), Raman spectroscopy (FWHM<5 cm-1), and scanning electron microscopy (SEM) measurements. Depending on the thickness of the layers, flakes deposited on different substrates produce light emission (photoluminescence). Lateral sizes of MoSe2 flakes deposited onto different substrates range from ~10nm - ~10 mm while thickness range from 1L to 10s of layers.

Note on volume, concentration, and solvent type: To reduce shipping costs, we ship supersaturated 2D solutions (~80-120 mg/L depending on the type of 2D layers). However, supersaturated solutions can be diluted to produce ~250-500mL of solution to deposit 2D layers onto desired substrates through simple and cost-effective spin-casting process. In our product, ethanol is used (and recommended) as the dispersant solvent owing to its environmental stability, thermal stability, dispersant properties, and non-contaminating nature. However, if your research needs other solvents, please contact us support_at_2dsemiconductors.com

Sample Properties

2D MoSe2 specifications

Specifications.

  •         Identification. MoSe2 solutions created by delamination of MoSe2 crystals (grown by CVT method) through ultrasonication technique
  •         Physical dimensions. 1 to 10 layers in thickness (thicker pieces might be observed depending on usage) and 10nm to 10 microns in lateral dimensions.
  •         Smoothness. Atomically smooth surface with roughness < 0.35 nm.
  •         Purity. 99.999% purity as determined by nano-SIMS measurements
  •         Stability. High environmental and dispersant stability.
  •         Crystallinity. Highly crystalline nanomaterials. No amorphous sheets, contaminants, or hidden secondary phases.
  •         Dispersant solution. Ethanol is highly recommended though other solvents can be prepared on demand.
  •         Support. 2Dsemiconductors USA is an American owned, regulated, and operated company. Our customers are well-protected by international as well as strict American customer laws and regulations. We give full technical support and guarantee your satisfaction with our well-established customer 

Supporting datasets

Typical SEM images from 2D solutions

SEM images from 2D solutions

 

SEM images collected from 2D MoSe2 solutions

SEM images of 2D MoSe2 solution

 

Raman spectrum collected from 2D MoSe2 solutions

Raman spectrum of 2D MoSe2 solution

 

EDS spectrum collected from 2D MoSe2 solution

 EDS spectrum on MoSe2 solution

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