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716669

Sigma-Aldrich

Cadmium telluride

99.9999% trace metals basis

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Synonym(s):
Cadmium monotelluride
Empirical Formula (Hill Notation):
CdTe
CAS Number:
1306-25-8
Molecular Weight:
240.01
EC Number:
215-149-9
MDL number:
MFCD00015998
UNSPSC Code:
12352300
PubChem Substance ID:
329763418
NACRES:
NA.23

Assay

99.9999% trace metals basis

form

crystals

bp

1130 °C

mp

1092 °C

density

6.2 g/mL at 25 °C (lit.)

SMILES string

[Cd]=[Te]

InChI

1S/Cd.Te

InChI key

RPPBZEBXAAZZJH-UHFFFAOYSA-N

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Application

A direct bandgap semiconductor (bandgap 1.56 eV at 300 K). CdTe is also a strong solar cell material. It is usually sandwiched with cadmium sulfide to form a p-n junction photovoltaic solar cell. Typically, CdTe cells use a n-i-p structure.

Pictograms

Exclamation markEnvironment
GHS07,GHS09

Signal Word

Warning

Hazard Statements

H302 + H312 + H332,H410

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Information

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Asad Syed et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 106, 41-47 (2013-01-30)
The growing demand for semiconductor [quantum dots (Q-dots)] nanoparticles has fuelled significant research in developing strategies for their synthesis and characterization. They are extensively investigated by the chemical route; on the other hand, use of microbial sources for biosynthesis witnessed
Ruizheng Liang et al.
Chemical communications (Cambridge, England), 49(10), 969-971 (2012-12-13)
Ordered ultrathin films based on alternate assembly of CdTe QDs and layered double hydroxide monolayers have been fabricated, which can be used as a photoluminescence temperature sensor with dual-parameter signals and high response sensitivity.
Chong Hyun Chang et al.
Nanoscale, 5(4), 1616-1623 (2013-01-22)
A facile electrodeposition technique was utilized to deposit single-walled carbon nanotubes (SWNTs) with cadmium telluride (CdTe) with well-controlled size, density, surface morphology, and composition. By controlling the applied charge, the morphology of these hybrid nanostructures was altered from CdTe nanoparticles
Juan P Monrás et al.
PloS one, 7(11), e48657-e48657 (2012-11-28)
The vast application of fluorescent semiconductor nanoparticles (NPs) or quantum dots (QDs) has prompted the development of new, cheap and safer methods that allow generating QDs with improved biocompatibility. In this context, green or biological QDs production represents a still
S R Stürzenbaum et al.
Nature nanotechnology, 8(1), 57-60 (2012-12-25)
The synthesis of designer solid-state materials by living organisms is an emerging field in bio-nanotechnology. Key examples include the use of engineered viruses as templates for cobalt oxide (Co(3)O(4)) particles, superparamagnetic cobalt-platinum alloy nanowires and gold-cobalt oxide nanowires for photovoltaic
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