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484539

Germanium(II) sulfide

99.99% trace metals basis

Synonym(s):

Germanium monosulfide, Germanium monosulphide, Germanium(II) sulphide

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About This Item

Linear Formula:
GeS
CAS Number:
12025-32-0
Molecular Weight:
104.71
NACRES:
NA.23
PubChem Substance ID:
24871955
UNSPSC Code:
12352300
EC Number:
234-704-6
MDL number:
MFCD00135539
Assay:
99.99% trace metals basis

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InChI key

VDNSGQQAZRMTCI-UHFFFAOYSA-N

InChI

1S/GeS/c1-2

SMILES string

S=[Ge]

assay

99.99% trace metals basis

reaction suitability

reagent type: catalyst
core: germanium

mp

615 °C (lit.)

Quality Level

100

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This Item
383260327395213241
Germanium(II) sulfide 99.99% trace metals basis

Sigma-Aldrich

484539

Germanium(II) sulfide

Germanium(II) iodide ≥99.8% trace metals basis

Sigma-Aldrich

383260

Germanium(II) iodide

Germanium powder, −100 mesh, ≥99.999% trace metals basis

Sigma-Aldrich

327395

Germanium

Lithium sulfide 99.98% trace metals basis

Sigma-Aldrich

213241

Lithium sulfide

assay

99.99% trace metals basis

assay

≥99.8% trace metals basis

assay

≥99.999% trace metals basis

assay

99.98% trace metals basis

reaction suitability

reagent type: catalyst
core: germanium

reaction suitability

reagent type: catalyst
core: germanium

reaction suitability

-

reaction suitability

reagent type: catalyst
core: lithium

Quality Level

100

Quality Level

100

Quality Level

100

Quality Level

300

mp

615 °C (lit.)

mp

-

mp

937 °C (lit.)

mp

-

General description

Differential thermal analysis of germanium (II) sulfide was investigated. Melting point of GeS is 665oC.[1] GeS nanoparticles may be prepared by gas phase laser photolysis, to be used in lithium ion batteries.[2] GeS films may be generated by electrochemical deposition and used as an electrolyte.[3] A study also reports the formation of GeS clusters by laser ablation.[4]

Application


  • New flexible and transparent solution-based germanium-sulfide polymeric materials: This research presents the successful preparation of solution-based polymeric germanium sulfide materials, showcasing their potential applications in flexible and transparent electronics (DTB De Salvi, AE Job, SJL Ribeiro, 2015).

  • Germanium monosulfide as a natural platform for highly anisotropic THz polaritons: Introduces alpha-germanium(II) sulfide (GeS) as a promising candidate for enhancing THz nanospectroscopy, significantly impacting materials science and optoelectronic device development (T Nörenberg et al., 2022).

Packaging

Packaged in amber poly bottles

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
MKCW3867
MKCV7556
MKCR6155
MKCQ0037
MKCP8346

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Thermal analysis of germanium (II) sulfide."
Ross L and Bourgon M
Canadian Journal of Chemistry, 46(14), 2464-2468 (1968)
Joseph J Belbruno et al.
Physical chemistry chemical physics : PCCP, 12(30), 8557-8563 (2010-06-17)
Germanium sulfide clusters were generated by laser ablation of a solid sample. The resulting molecules were analyzed in a time-of-flight mass spectrometer. In addition to atomic germanium and diatomic sulfur, the spectra exhibited evidence for the existence of clusters containing
Yong Jae Cho et al.
Chemical communications (Cambridge, England), 49(41), 4661-4663 (2013-04-16)
Germanium sulfide (GeS and GeS2) nanoparticles were synthesized by novel gas-phase laser photolysis and subsequent thermal annealing. They showed excellent cycling performance for lithium ion batteries, with a maximum capacity of 1010 mA h g(-1) after 100 cycles. Metastable tetragonal
Sankaran Murugesan et al.
Langmuir : the ACS journal of surfaces and colloids, 28(13), 5513-5517 (2012-03-15)
A facile room-temperature electrochemical deposition process for germanium sulfide (GeS(x)) has been developed with the use of an ionic liquid as an electrolyte. The electrodeposition mechanism follows the induced codeposition of Ge and S precursors in ionic liquids generating GeS(x)
Sean P Culver et al.
Journal of the American Chemical Society, 142(50), 21210-21219 (2020-12-08)
Strategies to enhance ionic conductivities in solid electrolytes typically focus on the effects of modifying their crystal structures or of tuning mobile-ion stoichiometries. A less-explored approach is to modulate the chemical bonding interactions within a material to promote fast lithium-ion

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