Influence of solution process parameter to cobalt catalyst thin film and particle formation

Mohd Zubir, Nik Mohamad Azren (2014) Influence of solution process parameter to cobalt catalyst thin film and particle formation. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

This report study about the influence of solution process parameter to cobalt catalyst thin film and particle formation. Cobalt is selected as the choice of material due to its excellent performance to produce thin film with thickness below 100 nm. There are two phase involved during thin film preparation which are spin coating and annealing. Using spin coating process the thickness of the film can be manipulated by changing its spin speed or altering solution viscosity. In annealing process the thin film is heat treated in order to produce uniform size of cobalt particles in thin film. Furthermore after completing these two phase in solution process, the cobalt thin film will undergo characterization for surface morphology and elemental confirmation that can be done by using Field Emission Scanning Electron Microscopy (FE-SEM) and Xray Diffraction (XRD).The result shows that increasing spin speed reduces the Co film thickness and increasing temperature of heat treatment result in larger particle formation. This can be concluded that particle and thin film formation was successfully done by using solution process.

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