483001
Germanium(IV) oxide
powder, 99.999% trace metals basis
Synonym(s):
Germania, Germanium oxide, Germanium dioxide
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About This Item
Linear Formula:
GeO2
CAS Number:
Molecular Weight:
104.64
EC Number:
MDL number:
UNSPSC Code:
12352303
PubChem Substance ID:
NACRES:
NA.23
Quality Level
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.
Signal Word
Warning
Hazard Statements
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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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
V V Dvoyrin et al.
Optics express, 19(9), 7992-7999 (2011-06-07)
A novel all-fiber laser based on a highly GeO2-doped dispersion-shifted Tm-codoped fiber, pumped at 1.56 µm wavelength and lasing at 1.862 µm wavelength with a slope efficiency up to 37% was demonstrated. The single-mode Tm-doped fiber with the 55GeO2-45SiO2 core
M Gunji et al.
Nanotechnology, 23(38), 385603-385603 (2012-09-06)
We report on the directed synthesis of germanium oxide (GeO(x)) nanowires (NWs) by locally catalyzed thermal oxidation of aligned arrays of gold catalyst-tipped germanium NWs. During oxygen anneals conducted above the Au-Ge binary eutectic temperature (T > 361 °C), one-dimensional
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
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