Microstructural effects of banana leaf on adhesion and self cleaning behaviour

Hasrawati Abu Hassan, Mariyam Jameelah Ghazali, Che Husna Azhari, Cevdet Meric

Research output: Contribution to journalArticle

Abstract

A recent discovery on banana leaf that has high potential as the lotus effect has intrigued further investigation particularly on the mechanism of its self-cleaning behaviour. In this paper, the adhesive and the contact angle effects of the banana leaf, named Musa Parasidiaca L. (berangan) surface in determining the self-cleaning effect is discussed especially at high temperatures. Samples were slid against a heated metal plate at two different temperatures; 100°C and 200°C, under different loads; 0.5 kg and 1 kg. Correlation between the leaf morphologies, adhesion force and contact angles were discussed. Measurements were carefully carried out by using the various pressure scanning electron microscopy (VP-SEM), an atomic force microscope (AFM) and a drop shape analysis (DSA). The adhesion force and contact angle were decreased at the highest temperature and load. The adhesion force was found to be reduced from 5.6 nN to 1.9 nN and the value of contact angles was decreased from 108.9° to 99.4°. In short, it is hope that the new discovery of this study can shed light on its importance to mankind particularly in surface modifications for applications at higher temperature.

Original languageEnglish
Article number02026
JournalMATEC Web of Conferences
Volume87
DOIs
Publication statusPublished - 12 Dec 2016

Fingerprint

Contact angle
Cleaning
Adhesion
Temperature
Plate metal
Surface treatment
Adhesives
Microscopes
Scanning electron microscopy

ASJC Scopus subject areas

  • Chemistry(all)
  • Engineering(all)
  • Materials Science(all)

Cite this

Microstructural effects of banana leaf on adhesion and self cleaning behaviour. / Hassan, Hasrawati Abu; Ghazali, Mariyam Jameelah; Azhari, Che Husna; Meric, Cevdet.

In: MATEC Web of Conferences, Vol. 87, 02026, 12.12.2016.

Research output: Contribution to journalArticle

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