Synthesis and Functional Group Analysis of Solution Processed Zinc Oxide Thin Film Grown on Polyethylene Terephthalate

Open Access

Year : 2024 | Volume : | : | Page : –
By

Mahima Asthana

Dr. Shri Kant

  1. Research Scholar Poornima University, Jaipur Rajasthan India
  2. Associate Professor Faculty of Science and Humanities, Poornima University, Jaipur Rajasthan India

Abstract

Flexible electronics field is growing every day. Existing technology is facing issues like brittleness, toxicity, inadequacy. Fabrication cost increases in processing of such materials. In this work, zinc oxide nanoparticles synthesized by solution processing technique were used to grow 120nm thick thin film (TF) on Polyethylene terephthalate (PET). This method reduces the processing cost and Zinc Oxide (ZnO) is cheaper and abundant in comparison to other semiconductors option. Material was synthesized by dissolving Zinc acetate, using ethanol as solvent. Sol gel was obtained using dissolution of colloidal solution followed by gelation. Spin coater technique was used for film deposition, followed by annealing at 300℃. Chemical composition, Structure and optical properties of PET substrate were analyzed by Energy Dispersive X-ray (EDX) Analysis, Fourier Transform-Infrared (FT-IR) spectroscopy, X-Ray Diffraction (XRD) and Ultra-violet (UV) Spectroscopy. Impact of substrate was also observed by characterization of substrate before deposition of thin film layer. Hexagonal wurtzite structure was obtained after annealing at 300℃, confirmed by XRD graphs. The FT-IR spectra confirmed the presence of strong covalent bonds confirming chemical presence of all the compounds of film and substrate. EDX images confirmed the elemental presence of Zinc and oxygen. UV visible absorption spectra confirmed the absorption in desired band. Band gap calculated was around 3.00eV, which makes it wide band gap TF. This work appears to be suitable for optoelectronics and piezoelectric applications like sensors, photo-detectors, actuators.

Keywords: PET, ZnO, Thin films, FT-IR Spectra, Band gap

How to cite this article: Mahima Asthana, Dr. Shri Kant. Synthesis and Functional Group Analysis of Solution Processed Zinc Oxide Thin Film Grown on Polyethylene Terephthalate. Journal of Polymer and Composites. 2024; ():-.
How to cite this URL: Mahima Asthana, Dr. Shri Kant. Synthesis and Functional Group Analysis of Solution Processed Zinc Oxide Thin Film Grown on Polyethylene Terephthalate. Journal of Polymer and Composites. 2024; ():-. Available from: https://journals.stmjournals.com/jopc/article=2024/view=152339

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Ahead of Print Open Access Original Research
Volume
Received May 27, 2024
Accepted June 1, 2024
Published June 25, 2024
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