Silver tantalate

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Crystal structure
No drawing available
General
Surname Silver tantalate
Ratio formula AgTaO 3
External identifiers / databases
CAS number 12376-95-3
EC number 235-619-7
ECHA InfoCard 100.032.368
Wikidata Q63349673
properties
Molar mass 336.81 g mol −1
Physical state

firmly

safety instructions
GHS hazard labeling
no classification available
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Silbertantalat is an inorganic chemical compound of silver from the group of tantalates .

Extraction and presentation

Silver tantalate can be obtained by reacting silver (I) oxide with tantalum (V) oxide .

properties

The compound occurs in several crystal structures. At room temperature it has an orthorhombic perovskite crystal structure with the space group R 3 c (space group no. 161) . Template: room group / 161

use

Silver tantalate can be used as a photocatalyst.

Individual evidence

  1. This substance has either not yet been classified with regard to its hazardousness or a reliable and citable source has not yet been found.
  2. a b Mickaël Lallart: Ferroelectrics Material Aspects . BoD - Books on Demand, 2011, ISBN 978-953-307-332-3 , pp. 431 ( limited preview in Google Book search).
  3. Desheng Fu, Mitsuru Itoh: Ferroelectricity in Silver Perovskite Oxides , accessed April 27, 2019
  4. M. Wołcyrz, M. Łukaszewski: The crystal structure of the room-temperature phase of AgTaO3. In: Journal of Crystallography. 177, 1986, p. 53, doi : 10.1524 / zkri.1986.177.1-2.53 .
  5. MH Francombe, B. Lewis: Structural and electrical properties of silver and silver niobate tantalate. In: Acta Crystallographica. 11, p. 175, doi : 10.1107 / S0365110X58000463 .
  6. Pierre Pichat: Photocatalysis . MDPI, 2018, ISBN 978-3-03842-183-2 , pp. 280 ( limited preview in Google Book search).
  7. Min Li, Junying Zhang et al. a .: Photocatalytic hydrogen generation enhanced by band gap narrowing and improved charge carrier mobility in AgTaO3 by compensated co-doping. In: Physical Chemistry Chemical Physics. 15, 2013, p. 16220, doi : 10.1039 / C3CP51902C .