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Merck

257222

Trimethylaluminum

97%

동의어(들):

Aluminum trimethanide, TMA

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제품정보 (DICE 배송 시 비용 별도)

Linear Formula:
(CH3)3Al
CAS 번호:
Molecular Weight:
72.09
UNSPSC Code:
12352103
NACRES:
NA.23
PubChem Substance ID:
EC Number:
200-853-0
Beilstein/REAXYS Number:
3587197
MDL number:
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도움 문의


vapor pressure

69.3 mmHg ( 60 °C)

Quality Level

description

heat of vaporization: ~41.9 kJ/mol (dimer)

assay

97%

form

liquid

reaction suitability

core: aluminum

bp

125-126 °C (lit.), 127 °C/760 mmHg, 20 °C/8 mmHg, 56 °C/50 mmHg

mp

15 °C (lit.)

density

0.752 g/mL at 25 °C (lit.)

SMILES string

C[Al](C)C

InChI

1S/3CH3.Al/h3*1H3;

InChI key

JLTRXTDYQLMHGR-UHFFFAOYSA-N

General description

Trimethylaluminum (TMA) is a widely used precursor in the chemical vapor deposition (CVD) process to produce thin films in various applications. TMA is highly reactive and pyrophoric, which makes it an effective source of aluminum in thin film deposition processes to improve optoelectronic properties, such as enhanced light absorption and carrier transport characteristics.

Application

Trimethylaluminum can be used:
  • As a growth initiator to synthesize self-assembled aluminum nanoparticles via atomic layer deposition.
  • As a precursor to synthesize aluminum-doped ZnO thin films(AZO) for electron transport layer of perovskite solar cells. TMA enhances electrical conductivity and thermal stability of perovskite layers.
  • To fabricate Al2O3-coated Si-alloy anodes for Li-ion batteries. This coating helps to suppress the volume expansion of Si and improves cell stability.
  • To fabricate Al2O3-coated graphite electrode with superior anti-self-discharging behavior (260 h) with long stability (900 cycles), for Al-ion battery.

Packaging

Supplied in a Sure/Pac cylinder with a 1/4-turn bronze ball valve (Z122661) installed. This has a female 1/4"" NPT outlet thread and is closed with a male 1/4"" NPT carbon steel plug. The plug must be removed before use after ensuring the valve is in the closed position.

Compatible with the following:For instructions please refer to technical bulletin AL-136: The Aldrich Sure/Pac Cylinder System

Other Notes

Storage below 20°C may cause crystallization.

Legal Information

Aldrich is a registered trademark of Sigma-Aldrich Co. LLC
Sure/Pac is a trademark of Sigma-Aldrich Co. LLC


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pictograms

FlameCorrosion

signalword

Danger

supp_hazards

저장 등급

4.2 - Pyrophoric and self-heating hazardous materials

wgk

nwg

flash_point_f

No data available

flash_point_c

No data available

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

Hazard Classifications

Eye Dam. 1 - Pyr. Liq. 1 - Skin Corr. 1B - Water-react. 1



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문서

Nanomaterials are considered a route to the innovations required for large-scale implementation of renewable energy technologies in society to make our life sustainable.

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모든 기사 보기

Metalorganic chemical vapor deposition of Al2O3 using trimethylaluminum and O2 precursors: Growth mechanism and crystallinity
Liu X, et al.
Journal of Crystal Growth, 408, 78-84 (2014)
Aluminum oxide from trimethylaluminum and water by atomic layer deposition: The temperature dependence of residual stress, elastic modulus, hardness and adhesion
Oili ME, et al.
Thin Solid Films, 552, 124-135 (2014)
Photo-induced current and its degradation in Al4C3/Al2O3 (0001) grown by metalorganic chemical vapor deposition
Kim D, et al.
Thin Solid Films, 557, 216-221 (2014)