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914819

Sigma-Aldrich

Cesium iodide

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

Sinónimos:

Cesium monoiodide

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About This Item

Fórmula empírica (notación de Hill):
CsI
Número de CAS:
7789-17-5
Peso molecular:
259.81
MDL number:
MFCD00010962
UNSPSC Code:
12352101
NACRES:
NA.23
assay:
99.999% trace metals basis
form:
crystals

product line

AnhydroBeads™

Quality Level

100

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

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pictograms

Health hazardEnvironment
GHS08,GHS09

signalword

Warning

Hazard Classifications

Aquatic Acute 1 - Repr. 2

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificados de análisis (COA)

Lot/Batch Number
0000393068
0000383675
0000329595
0000393068
0000324579

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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)
Kang Wang et al.
Nature communications, 9(1), 4544-4544 (2018-11-02)
As the black cesium lead iodide (CsPbI3) tends to transit into a yellow δ-phase at ambient, it is imperative to develop a stabilized black phase for photovoltaic applications. Herein, we report a distorted black CsPbI3 film by exploiting the synergistic

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