Reactive Chemical Vapor Deposition Method as New Approach for Obtaining Electroluminescent Thin Film Materials

The new reactive chemical vapor deposition (RCVD) method has been proposed for thin film deposition of luminescent nonvolatile lanthanide aromatic carboxylates. This method is based on metathesis reaction between the vapors of volatile lanthanide dipivaloylmethanate (Ln(dpm)3) and carboxylic acid (H...

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Bibliographic Details
Published in:Advances in materials science and engineering 2012-01, Vol.2012 (2012), p.1-9
Main Authors: Kotova, Oxana V., Utochnikova, Valentina V., Vaschenko, Andrey A., Lepnev, Leonid S., Vitukhnovsky, Alexei G., Kuzmina, Natalia P.
Format: Article
Language:English
Subjects:
Acids
Chemical vapor deposition
Chemistry
Deposition
Electroluminescence
Europium compounds
Indium tin oxide
Lanthanides
Methods
Temperature
Terbium
Thin films
Volatility
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Summary:The new reactive chemical vapor deposition (RCVD) method has been proposed for thin film deposition of luminescent nonvolatile lanthanide aromatic carboxylates. This method is based on metathesis reaction between the vapors of volatile lanthanide dipivaloylmethanate (Ln(dpm)3) and carboxylic acid (HCarb orH2Carb′) and was successfully used in case of HCarb. Advantages of the method were demonstrated on example of terbium benzoate (Tb(bz)3) and o-phenoxybenzoate thin films, and Tb(bz)3 thin films were successfully examined in the OLED with the following structure glass/ITO/PEDOT:PSS/TPD/Tb(bz)3/Ca/Al. Electroluminescence spectra of Tb(bz)3 showed only typical luminescent bands, originated from transitions of the terbium ion. Method peculiarities for deposition of compounds of dibasic acids H2Carb′ are established on example of terbium and europium terephtalates and europium 2,6-naphtalenedicarboxylate.
ISSN:1687-8434
1687-8442
DOI:10.1155/2012/809028