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The University of Southampton
University of Southampton Malaysia

Research project: Surface-energy studies on graphene film for organic solar cell applications (On-going)

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Silicon based solar cell technology has been established as the main source in PV solar cells. The solar cell efficiencies vary from 8 to 29%. Though the silicon based efficiency is high, use of silicon technology has major drawbacks; with high production costs and suffers a decrease in performance under illumination, thereby limiting lifetime, durability and stability. Therefore new material such as 1D and 2D graphene has shown potential as the emerging technology for electrodes in organic solar cells.

This research is to determine the fundamental surface-energy properties and crystallinity characteristics of heat-treated Gr film in order to increase the PCE of HPDs. The study aims to investigate the influence of heat treatment process towards the surface energy properties of mono- (SLG) and multi- (MLG) layer Gr film at different heating conditions (i.e. annealing temperature and annealing time), using characterisation methods based on contact-angle goniometry, atomic force microscopy, micro-Raman and x-ray diffraction (XRD).

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