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Title: Comparison of the thermal decomposition processes of several aminoalcohol-based ZnO inks with one containing ethanolamine
Author: Gómez Núñez, Alberto
Roura, Pere
López Martínez, Ma. Concepción
Vilà i Arbonès, Anna Maria
Keywords: Descomposició (Química)
Propietats tèrmiques
Òxids metàl·lics
Espectroscòpia infraroja
Difracció de raigs X
Decomposition (Chemistry)
Thermal properties
Metallic oxides
Infrared spectroscopy
X-rays diffraction
Issue Date: 15-Sep-2016
Publisher: Elsevier B.V.
Abstract: Four inks for the production of ZnO semiconducting films have been prepared with zinc acetate dihy-drate as precursor salt and one among the following aminoalcohols: aminopropanol (APr), aminomethylbutanol (AMB), aminophenol (APh) and aminobenzyl alcohol (AB) as stabilizing agent. Their thermaldecomposition process has been analyzed in situ by thermogravimetric analysis (TGA), differential scan-ning calorimetry (DSC) and evolved gas analysis (EGA), whereas the solid product has been analysedex-situ by X-ray diffraction (XRD) and infrared spectroscopy (IR). Although, except for the APh ink, crys-talline ZnO is already obtained at 300◦C, the films contain an organic residue that evolves at highertemperature in the form of a large variety of nitrogen-containing cyclic compounds. The results indicatethat APr can be a better stabilizing agent than ethanolamine (EA). It gives larger ZnO crystal sizes withsimilar carbon content. However, a common drawback of all the amino stabilizers (EA included) is thatnitrogen atoms have not been completely removed from the ZnO film at the highest temperature of ourexperiments (600◦C).
Note: Versió postprint del document publicat a:
It is part of: Applied Surface Science, 2016, vol. 381, p. 48-53
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ISSN: 0169-4332
Appears in Collections:Articles publicats en revistes (Electrònica)
Articles publicats en revistes (Química Inorgànica i Orgànica)

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