ZnO formation through decomposition of zinc bis(ethyl acetoacetate) by steaming treatment

Autor: Ryohei Hayami, Nagato Endo, Kazuki Yamamoto, Takahiro Gunji, Yuta Miyase
Rok vydání: 2019
Předmět:
Zdroj: Journal of Sol-Gel Science and Technology. 91:255-260
ISSN: 1573-4846
0928-0707
DOI: 10.1007/s10971-019-05043-x
Popis: Zinc bis(ethyl acetoacetate) (Zn(etac)2) was steamed with water vapor at various temperatures (40–70 °C). A portion of the ethyl acetoacetato group was dissociated upon steaming Zn(etac)2 at 40 °C. However, zinc oxide (ZnO) was not formed. On steaming at 50 °C, the ethyl acetoacetato group was completely removed. The Zn(etac)2 steamed at 50 °C was attributed to the wurtzite ZnO, but impurity was contaminated. Zn(etac)2 steamed at 60–70 °C was converted into pure wurtzite ZnO powder. The Zn(etac)2 could be decomposed by water vapor; interestingly, wurtzite ZnO powder was formed from Zn(etac)2 by steaming treatment at low temperature. Moreover, a Zn(etac)2 solution was coated on a glass substrate followed by steaming at 70 °C; a thin film showed a transparency and a flat surface.
Databáze: OpenAIRE