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914819

Sigma-Aldrich

Cesium iodide

AnhydroBeads™, 99.999% trace metals basis, (Perovskite grade)

Synonym(s):

Cesium monoiodide

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About This Item

Empirical Formula (Hill Notation):
CsI
CAS Number:
7789-17-5
Molecular Weight:
259.81
MDL number:
MFCD00010962
UNSPSC Code:
12352101
NACRES:
NA.23
grade:
for synthesis
synthesis grade
form:
crystals

grade

for synthesis
synthesis grade

Quality Level

100

product line

AnhydroBeads™

Assay

99.999% trace metals basis

form

crystals

particle size

-10 mesh

mp

626 °C (lit.)

density

4.51 g/mL at 25 °C (lit.)

SMILES string

[I-].[Cs+]

InChI

1S/Cs.HI/h;1H/q+1;/p-1

InChI key

XQPRBTXUXXVTKB-UHFFFAOYSA-M

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Application

Cesium iodide anhydrous can be used as a precursor or component in the synthesis of the perovskite absorber layer in perovskite solar cells. By introducing cesium iodide into the perovskite composition, the bandgap of the material can be tuned to better match the solar spectrum, optimizing the light absorption and energy conversion efficiency of the solar cell.
Cesium iodide finds application in synthesis of perovksites based photovoltaic materials. Our perovskite grade CsI can readily be dissolved in 1:1 vol DMF/DMSO to yield 1M solution.

Features and Benefits

Frequently used in devices such as phosphor screens for medical imaging, scintillators, calorimeters and a variety of particle detectors.

Packaging

Packaged in ampules

Legal Information

AnhydroBeads is a trademark of Sigma-Aldrich Co. LLC

Pictograms

Health hazardEnvironment
GHS08,GHS09

Signal Word

Warning

Hazard Statements

H361fd,H400

Hazard Classifications

Aquatic Acute 1 - Repr. 2

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

914819-VAR:
914819-BULK:
914819-10G:

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Certificates of Analysis (COA)

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Cesium Iodide Interface Modification for High Efficiency, High Stability and Low Hysteresis Perovskite Solar Cells
Han F, et al.
Electrochimica Acta, 236, 122-130 (2017)

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