Development of robust polyvinylidene fluoride (PVDF)-based self-clean coating for commercial solar cells/panels employing spray method

Muhammad Younas, Aima Khan, Doua Amjad, Muhammad Abdul Rehman, Ahmad Niamat Ali Farhad, Umer Mehmood*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

This study involved the creation of self-cleaning surfaces on glass substrates by applying a polyvinylidene fluoride (PVDF) solution through spray coating. The properties of the coated surfaces were evaluated using various methods, including contact angle, Scanning Electron Microscopy, Atomic Force Microscopy, and UV–Vis spectroscopy analyses. The findings indicate that the characteristics of the coated surfaces were influenced by the concentration of the PVDF solution. As the concentration increased, the contact angle also increased while the transmittance decreased. A contact angle of 101° was attained as the maximum at a PVDF solution concentration of 5%. Furthermore, the light transmittance through coated substrates exhibited consistent levels up to the 5% PVDF concentration. However, a substantial decrease in light transmittance was observed beyond this 5% PVDF concentration threshold. The stability of the self-cleaning coating was assessed by subjecting the samples to UV-light for a duration of 288 h.

Original languageEnglish
Article number135486
JournalMaterials Letters
Volume355
DOIs
StatePublished - 15 Jan 2024

Bibliographical note

Publisher Copyright:
© 2023

Keywords

  • Polymers
  • Self-cleaning
  • Solar energy materials
  • Thin films
  • UV-stability

ASJC Scopus subject areas

  • General Materials Science
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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