3.8 Proceedings Paper

Structural and optical properties of DCM thin films prepared by PVD

Journal

MATERIALS TODAY-PROCEEDINGS
Volume 66, Issue -, Pages 63-67

Publisher

ELSEVIER
DOI: 10.1016/j.matpr.2022.03.244

Keywords

Thin films; PVD; DCM; AFM; UV-Visible; Tauc plot

Funding

  1. Polish National Science Centre [2017/25/B/ST7/02124]

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In this study, thin films of DCM were grown on glass substrates using vacuum evaporation technique. The surface analysis of the thin films was conducted using atomic force microscopy and Minkowski functional procedure. UV-visible spectroscopy and tauc plot method were used to study the transmittance, absorbance, and gap energy of the films.
In the present work, thin films of 4-(dicyanomethylenes)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran (DCM) were successfully grown on glass substrates using the vacuum evaporation technique in a high vacuum. These thin layers were cultivated on a glass substrate cleaned by an ultrasound bath. The atomic force microscopy was used for the surface analysis of the thin films. The evolution, roughness, and distribution of the surface structure are also measured by using the Minkowski functional procedure. UV-visible spectroscopy was used to study the transmittance and the absorbance of DCM thin films. In addition, the study also included gape energy which was studied using the tauc plot method. Copyright (C) 2022 Elsevier Ltd. All rights reserved.

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