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914819

Sigma-Aldrich

Cesium iodide

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

Synonyme(s) :

Cesium monoiodide

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About This Item

Formule empirique (notation de Hill):
CsI
Numéro CAS:
7789-17-5
Poids moléculaire :
259.81
Numéro MDL:
MFCD00010962
Code UNSPSC :
12352101
Nomenclature NACRES :
NA.23

Gamme de produits

AnhydroBeads™

Niveau de qualité

100

Pureté

99.999% trace metals basis

Forme

crystals

Taille des particules

-10 mesh

Pf

626 °C (lit.)

Densité

4.51 g/mL at 25 °C (lit.)

Chaîne SMILES 

[I-].[Cs+]

InChI

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

Clé InChI

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.

Caractéristiques et avantages

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

Conditionnement

Packaged in ampules

Informations légales

AnhydroBeads is a trademark of Sigma-Aldrich Co. LLC

Pictogrammes

Health hazardEnvironment
GHS08,GHS09

Mention d'avertissement

Warning

Mentions de danger

H361fd,H400

Classification des risques

Aquatic Acute 1 - Repr. 2

Code de la classe de stockage

13 - Non Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 2

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

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Certificats d'analyse (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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