Effect of immersion time on the growth of ZnO on PMMA-coated substrate prepared by solution-immersion method

A. Aadila, N. A.M. Asib, A. N. Afaah, M. R. Mahmud, F. S. Husairi, Salman A.H. Alrokayan, Haseeb A. Khan, R. Mohamed, M. Rusop, Z. Khusaimi

Research output: Contribution to journalJournal articlepeer-review

Abstract

We present the growth of ZnO on PMMA-coated substrate under influence of different immersion time by solution-immersion technique. PMMA polymer was coated on the substrate by spin-coating method. The sample was then prepared for PMMA thin film and immersed for four (4) and six (6) hours in zinc solution. FESEM result shows the morphology of PMMA thin films and rod-like structure of ZnO was obtained after ZnO grow on PMMA. EDX analysis confirms the existence of ZnO and PMMA contains in the sample. The structural properties were studied by Raman Spectra and the optical properties were characterized using Photoluminescence (PL), and Ultraviolet-Vis (UV-Vis) spectroscopy. It was found that shorter time of immersion (4 hours) produced higher intensity of PL and Raman. From UV-Vis measurement 4 hours of immersion indicate the low absorption probably caused from the distribution of ZnO on PMMA-coated substrate is randomly dispersed. However, 4 hours of immersion be chosen in this UV measurement because the sample is more crystalline and may have small size of ZnO. It showed that the optical properties was significantly affected by the surface morphology and the scattering light efficiently is very dependent on particle distribution of the films.

Original languageEnglish
Pages (from-to)3655-3661
Number of pages7
JournalAdvanced Science Letters
Volume21
Issue number12
DOIs
StatePublished - Dec 2015
Externally publishedYes

Keywords

  • Immersion
  • PMMA
  • Spin-coating
  • Thin film
  • ZnO

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