Effect of spin coating rate and annealing temperature on the structural and optical properties of polytriarylamine (PTAA) thin fil

R. Rasmidi and M. Duinong and Chee, Fuei Pien (2020) Effect of spin coating rate and annealing temperature on the structural and optical properties of polytriarylamine (PTAA) thin fil.

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Official URL: https://www.ums.edu.my/fssa/wp-content/uploads/202...

Abstract

Spin-coating method has been used as a method to deposit polytriarylamine (PTAA) on indium tin oxide (ITO) on different spin rate ranging from 1000 RPM to 5000 RPM and was annealed at room temperature, 80 °C, 100 °C and 120 °C respectively. The investigation on structural properties was implemented through X-Ray Diffraction (XRD) and the parameters do not influence the XRD diffraction pattern which all sample exhibit a peak at 21° to 24°. SEM-EDX analysis shows large grain and many amounts of aggregates which can be observed at 1000 RPM at 100 °C while all other samples consist of the same elements. The optical properties have been studied by transmittance spectra via UV- Visible (UV-Vis) Spectroscopy and it showed that the sample exhibit below 90% transmittance while the optical bandgap is within 2.76 eV - 2.94 eV.

Item Type:	Proceedings
Keyword:	PTAA, Thin film, Organic semiconductor, Spin coating, Optical properties
Subjects:	Q Science > Q Science (General) Q Science > QH Natural history
Department:	FACULTY > Faculty of Science and Natural Resources
Depositing User:	SITI AZIZAH BINTI IDRIS -
Date Deposited:	10 Jun 2021 16:25
Last Modified:	10 Jun 2021 16:25
URI:	https://eprints.ums.edu.my/id/eprint/24460

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