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2D Semiconductors

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Full area coverage CVD MoTe2 few-layers

$490.00

Full area coverage CVD MoTe2 few-layers

$490.00
SKU:
FewMoTe2Full

Product Description

2H semiconducting phase few-layer MoTe2 (3-6 layers) has been grown on 1cm2 size c-cut sapphire substrates using low-pressure chemical vapor deposition technique (LPCVD). Grown sheets can also be transferred onto other substrates such as quartz, SiO2/Si, PET, metals, and others on request. Few-layer MoTe2 reach full area coverage on sapphire, exhibit outstanding environmental stability, surface smoothness, and uniformity. Grown sheets are environmentally stable and exhibit band gap between bulk (0.6 eV) and monolayer (1.1 eV). 

Special note: Despite extensive R&D efforts, CVD grown monolayer MoTe2 are environmentally rather unstable due to uncontrollable defect characteristics. We are unable to provide monolayer thick MoTe2 at this time. 

Characteristics of CVD grown 2H (semiconducting phase) MoTe2 sheets by 2Dsemiconductors Inc.

Sample size 1cm x 1cm square shaped
Substrate type c-cut sapphire (default) other substrates on demand
Coverage Full-area coverage
Electrical properties 0.8-1.0 eV semiconductor
Crystal structure Hexagonal Phase
Unit cell parameters

a = b = 0.350 nm, c = 1.341 nm, α = β = 90, γ = 120°

Production method Low pressure Chemical Vapor Deposition (LPCVD)
Characterization methods Raman, photoluminescence, TEM, EDS

 

 Raman data collected from 2H-MoTe2 crystals
mote2-cvd-raman.png

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