Cadmium tellurite

Crystal structure
	__ Cd 2+ __ Te 4+ __ O 2−
General
Surname	Cadmium tellurite
other names	Cadmium tellurium trioxide
Ratio formula	CdTeO 3
Brief description	colorless solid
External identifiers / databases
ECHA InfoCard	100.036.316
PubChem	167475
ChemSpider	146511
Wikidata	Q15627943
properties
Molar mass	288.01 g mol −1
Physical state	firmly
Melting point	695 ° C
boiling point	1050 ° C (decomposition)
solubility	practically insoluble in water
safety instructions
GHS labeling of hazardous substances Caution
H and P phrases	H: 302-312-332
	P: 280-301 + 330 + 331-302 + 352-304 + 340-312
	As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Cadmium tellurite is an inorganic chemical compound of cadmium from the tellurite group .

Extraction and presentation

Cadmium tellurite thin films can be obtained by reacting cadmium sulfate with sodium tellurite in ammonia .

properties

Cadmium tellurite is a colorless solid that is practically insoluble in water. The compound is a semiconductor . It has a monoclinic crystal structure with the space group P 2 ₁ / c (space group no. 14) . At higher temperatures (over 540 ° C) the compound has a cubic and a hexagonal crystal structure. Template: room group / 14

use

Cadmium tellurite is used in the production and characterization of compounds of the sodalite family. Use for the production of solar cells is also possible.

Individual evidence

↑ ^a ^b ^c ^d William M. Haynes: CRC Handbook of Chemistry and Physics . CRC Press, 2016, ISBN 978-1-4987-5429-3 , pp. 53 ( limited preview in Google Book search).
↑ ^a ^b ^c ^d ^e ^f data sheet Cadmium tellurite, 99% from AlfaAesar, accessed on April 19, 2019 ( PDF )(JavaScript required) .
↑ Ramesh S. Kapadnis: Studies on Chemically Synthesis of Polycrystalline Thin Films CdTeO3. In: IOSR Journal of Engineering. 03, 2013, p. 01, doi : 10.9790 / 3021-03850104 .
↑ V. Krämer, G. Brandt: Structure of cadmium tellurate (IV), CdTeO3. In: Acta Crystallographica Section C Crystal Structure Communications. 41, p. 1152, doi : 10.1107 / S0108270185006941 .
↑ Morgane Poupon, Nicolas Barrier et al. a .: A new β-CdTeO3 polymorph with a structure related to α-CdTeO3. In: Dalton Transactions. 46, 2017, p. 1927, doi : 10.1039 / c6dt04449b .
↑ Chuan Zhao, Xiaoping Zou, Sheng He: CdTeO3 Deposited Mesoporous NiO Photocathode for a Solar Cell. In: Journal of Nanomaterials. 2014, 2014, p. 1, doi : 10.1155 / 2014/372381 .

[William_M._Haynes-1] William M. Haynes: CRC Handbook of Chemistry and Physics . CRC Press, 2016, ISBN 978-1-4987-5429-3 , pp. 53 ( limited preview in Google Book search).

[Alfa-2] ↑ ^a ^b ^c ^d ^e ^f data sheet Cadmium tellurite, 99% from AlfaAesar, accessed on April 19, 2019 ( PDF )(JavaScript required) .

[DOI10.9790/3021-03850104-3] Ramesh S. Kapadnis: Studies on Chemically Synthesis of Polycrystalline Thin Films CdTeO3. In: IOSR Journal of Engineering. 03, 2013, p. 01, doi : 10.9790 / 3021-03850104 .

[DOI10.1107/S0108270185006941-4] V. Krämer, G. Brandt: Structure of cadmium tellurate (IV), CdTeO3. In: Acta Crystallographica Section C Crystal Structure Communications. 41, p. 1152, doi : 10.1107 / S0108270185006941 .

[DOI10.1039/c6dt04449b-5] Morgane Poupon, Nicolas Barrier et al. a .: A new β-CdTeO3 polymorph with a structure related to α-CdTeO3. In: Dalton Transactions. 46, 2017, p. 1927, doi : 10.1039 / c6dt04449b .

[DOI10.1155/2014/372381-6] Chuan Zhao, Xiaoping Zou, Sheng He: CdTeO3 Deposited Mesoporous NiO Photocathode for a Solar Cell. In: Journal of Nanomaterials. 2014, 2014, p. 1, doi : 10.1155 / 2014/372381 .