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Merck
CN

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
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12352303
EC Number:
215-180-8
MDL number:
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Product Name

Germanium(IV) oxide, powder, 99.999% trace metals basis

InChI key

YBMRDBCBODYGJE-UHFFFAOYSA-N

InChI

1S/GeO2/c2-1-3

SMILES string

O=[Ge]=O

assay

99.999% trace metals basis

form

powder

mp

>400 °C (lit.)

density

4.23 g/cm3

application(s)

battery manufacturing

Quality Level

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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.

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.

pictograms

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Warning

hcodes

Hazard Classifications

Acute Tox. 4 Oral

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Faceshields, 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
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
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
Jiaqiang Wang et al.
Chemical communications (Cambridge, England), 46(29), 5250-5252 (2010-06-25)
Adding a small amount of commercial GeO(2) into aqueous suspension significantly enhanced the photocatalytic activity of titania-based photocatalysts for the degradation of dyes.
Quintin Cheek et al.
ACS nano, 14(3), 2869-2879 (2020-02-23)
The growth of Ge nanowires in water inside a liquid transmission electron microscope (TEM) holder has been demonstrated at room temperature. Each nanowire growth event was stimulated by the incident electron beam on otherwise unsupported liquid Ga or liquid In

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