Determination of the stoichiometry of CuxInySez by total-reflection XRF
- 25 September 2001
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in The Analyst
- Vol. 126 (10) , 1797-1799
- https://doi.org/10.1039/b104466b
Abstract
A rapid and accurate total-reflection XRF method was developed in order to determine the absolute stoichiometry of ternary compounds of the type Cu∶In∶Se. The method was used to determine the composition of the synthesised compounds CuxInyS ez(CIS). Three compounds were synthesised with different atomic proportions x∶y∶z; 1∶3∶5, 2∶4∶7 and the no stoichiometric phase 1∶2.5∶4.75. The results obtained showed a systematic deficiency of In and an increment of Se with respect to the stoichiometric formula.Keywords
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