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Infrared spectroscopy of polycrystalline ZnO and ZnO:N thin films
- Source :
- Journal of Crystal Growth. 281:297-302
- Publication Year :
- 2005
- Publisher :
- Elsevier BV, 2005.
-
Abstract
- Polycrystalline zinc oxide (ZnO) and nitrogen-doped zinc oxide (ZnO:N) films, about 1 μm thick, were grown by metalorganic chemical vapor deposition on crystalline silicon substrates. Infrared absorption measurements reveal a complex growth chemistry resulting in the presence of carbon, oxygen, and nitrogen-related functional groups not seen in single-crystal material. Noteworthy changes in the absorbance spectra that occur with the incorporation of nitrogen include a group of strongly absorbing bands around 1800 cm −1 and a band at 3020 cm −1 attributable to a N–H bond. These atomic configurations, in addition to the observed O–H bands around 3400 cm −1 , provide insight into the difficulties of creating p-type ZnO through the incorporation of nitrogen.
Details
- ISSN :
- 00220248
- Volume :
- 281
- Database :
- OpenAIRE
- Journal :
- Journal of Crystal Growth
- Accession number :
- edsair.doi...........903a407021074c5378d6412dcf83dd22