Pricing
Size | Productcode | Sizedescription* | Quantity(EA) | Price |
Small | M2109A10 | >10mm2 | 1 | £357.00 |
Medium | M2109A25 | >25mm2 | 1 | £578.00 |
Large** | M2109A00 | >100mm2 | 1 | £1350.00 |
*typicalrepresentativesize,areas/dimensionsmayvary
**itemwithaleadtimeof2-3weeks,pleasecontactformoreinformation
GeneralInformation
CASnumber | 12058-20-7 |
Chemicalformula | MoTe2 |
Molecularweight | 351.14g/mol |
Bandgap | 0.81-1.13eV[1] |
Synonym | MolyBDenum(IV)telluride, Molybdenumtelluride |
Classification/Family | Transitionmetaldichalcogenides(TMDCs),2DSemiconductorMaterials,Nano-electronics,Nano-photonics,ElectRochemicalEnergyStorageSystems,Topologicalsuperconductors, Materialsscience |
ProductDetails
Form | SingleCrystal |
Preparation | Synthetic -ChemicalVapourTransport(CVT) |
Purity | ≥99.999% |
Structure | Hexagonal |
Electronicproperties | 2Dsemiconductor |
Meltingpoint | Decomposes |
Colour | Metallicblack |
GeneralDescription
MolybdenumDitellurideMoTe2(α-MoTe2)isasemiconductorwithanindirectbandgapofaround1.0eVinbulkcrystalorpowderform,andadirectband-gapofabout1.1eVinmonolayerfilms.LikeMoS2andother2Dmaterials,MoTe2hasalayeredstructure.Itiscomposedofhexagonalsheetsofmolybdenumatoms-thesearelocatedbetweentwohexagonalplanesoftelluriumatoms.IndividualsheetsareheldtogetherbyweakVanderWaalsforces,andarestackedwith2Hsymmetry.
Ithasacharacteristiclayeredstructuredirectband-gapthatextendstonearinfrared(NIR)wavelengths.Combinedwiththeadvantagesofwetchemicalexfoliation,MoTe2 has greatpotentialfor electronics-especiallyinphotovoltaictechnologies.
MoTe2 isalsosemi-metallic,withbulkMoTe2 exhibitingsuperconductivityatatransitiontemperatureof0.10 K.
ThehexagonalstructureofMolybdenumditelluride(MoTe2).
Applications
Monolayerorfew-layer2DMoTe2 hasadirectband-gapandfindsapplicationsintransistors,photo-detectors,andphotovoltaics.
Synthesis
Molybdenumditelluride MoTe2 ismanufacturedusingchemicalvapourtransport(CVT)crystallisation,withpuritiesinexcessof99.999%achieved.
Usage
Molybdenumditelluride MoTe2 singlecrystalcanbeusedtocreatemonolayerandfew-layer MoSe2sheetsbymechanicalorliquidexfoliation.
LiteratureandReviews
- ExfoliatedmultilayerMoTe2field-effecttransistors,S.Fathipouretal.,Appl.Phys.Lett.105,192101(2014);doi:10.1063/1.4901527.
- OpticalPropertiesandBandGapofSingle-andFew-LayerMoTe2Crystals,C.Ruppertetal.,NanoLett.,14,6231−6236(2014);DIO:10.1021/nl502557g.
- Two-dimensionalMoTe2materials:Fromsynthesis,identification,andchargetransporttoelectronicsapplications,Y.Changetal,Jpn.J.Appl.Phys.551102A1(2016);DIO:10.7567/JJAP.55.1102A1.
- UnifiedDescriptionoftheOpticalPhononModesinN‑LayerMoTe2, G.Froehlicheretal.,NanoLett.,15,6481−6489(2015);DOI:10.1021/acs.nanolett.5b02683.
- FastMoTe2WaveguidePhotodetectorwithHighSensitivityatTelecommunicationWavelengths,P.Maetal.,ACSPhotonics,5,1846−1852(2018);DOI:10.1021/acsphotonics.8b00068.
- SuperconductivityinWeylsemimetalcandidateMoTe2,Y.Qietal.,Nat.Commun.,7:11038(2016);DOI:10.1038/ncomms11038.
Tothebestofourknowledgethetechnicalinformationprovidedhereisaccurate.However,ossilaassumenoliABIlityfortheaccuracyofthisinformation.Thevaluesprovidedherearetypicalatthetimeofmanufactureandmayvaryovertimeandfrombatchtobatch.
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有机的是有机化合物的简称,它指的是含碳化合物.
但是,有四大类常见物质一般不作为有机物处理:
1、碳的氧化物,如CO和CO2.
2、碳酸及其盐,如CaCO3.
3、金属碳化物,如CaC2.
4、拟卤素及其化合物,如(CN)2与KSCN.
水的化学式为H2O,它不含有碳元素,故不是有机物.
但若所描述的水不是化学意义的水,而是自然界存在的天然水,那么,水中会溶有一定量的有机物.