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483001

Sigma-Aldrich

Germanium(IV) oxide

powder, 99.999% trace metals basis

Synonym(s):

Germanium dioxide

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About This Item

Linear Formula:
GeO2
CAS Number:
1310-53-8
Molecular Weight:
104.64
EC Number:
215-180-8
MDL number:
MFCD00011030
UNSPSC Code:
12352303
PubChem Substance ID:
24871860
NACRES:
NA.23

Quality Level

200

Assay

99.999% trace metals basis

form

powder

mp

>400 °C (lit.)

density

4.23 g/cm3

application(s)

battery manufacturing

SMILES string

O=[Ge]=O

InChI

1S/GeO2/c2-1-3

InChI key

YBMRDBCBODYGJE-UHFFFAOYSA-N

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General description

Germanium(IV) oxide is a versatile material known for its high refractive index and transparency in the infrared range, making it valuable in optical applications such as fiber optics and infrared optics. It also exhibits significant photocatalytic properties, which are utilized in environmental remediation processes, including the degradation of organic pollutants. Additionally, it is used in the development of advanced nanomaterials for biomedical imaging and drug delivery, leveraging its biocompatibility and unique photoluminescent properties.

Application

Germanium(IV) oxide can be used as a key component for high-efficiency solar cells. Its optical properties and ability to form heterojunctions with silicon make it a promising candidate for improving the performance of photovoltaic devices. It is also used as a catalyst support in various chemical reactions, including oxidation processes, where it can enhance catalytic activity and selectivity. Additionally, GeO₂ is utilized in the development of sensors for detecting gases and other chemical species due to its semiconductor properties, which can be leveraged for improved sensitivity and response times.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H302

Hazard Classifications

Acute Tox. 4 Oral

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKCV3075
MKCR7789
MKCS7582
MKCQ0647
MKCN2859

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Xitong Chen et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 23(49), 11913-11919 (2017-08-12)
The development of novel photocatalysts usually centers on features such as band structures, various nano-, micro-, or macro-forms, and composites in efforts to tune their light absorption and charge separation efficiency. In comparison, the selectivity of photocatalysts with respect to
Xinguo Hong et al.
The Review of scientific instruments, 80(7), 073908-073908 (2009-08-07)
We describe an approach for acquiring high quality x-ray absorption fine structure (XAFS) spectroscopy spectra with wide energy range at high pressure using diamond anvil cell (DAC). Overcoming the serious interference of diamond Bragg peaks is essential for combining XAFS
E A Anashkina et al.
Optics express, 20(24), 27102-27107 (2012-11-29)
We report generation of femtosecond optical pulses tunable in the 1.6-2.5 μm range using GeO2-doped core silica-cladding fibers. Optical solitons with a duration of 80-160 fs have been measured by the FROG technique in the 2-2.3 μm range. To the
Xin-ben Zhang et al.
Optics express, 20(18), 19799-19805 (2012-10-06)
A GeO2 doped triangular-core photonic-crystal fiber (PCF) is designed and fabricated to allow the generation of a hollow beam through a nonlinear-optical transformation by femtosecond pulses at 1040 nm from a high power Yb-doped PCF laser oscillator. The hollow beam
Sarah L Sewell et al.
Dalton transactions (Cambridge, England : 2003), (29)(29), 3857-3865 (2008-07-17)
Biomimetic synthesis is emerging as an advantageous alternative to the harsh synthetic conditions traditionally used in metal oxide syntheses techniques. Silaffins, proteins from the C. fusiformis diatom, form silica in an aqueous environment under benign conditions. Amine terminated PAMAM and
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