Synthesis and structural characterization of molybdenum chalcogenide thin films

Tsai, Ho Fung (2023) Synthesis and structural characterization of molybdenum chalcogenide thin films. Project Report. Melaka, Malaysia, Universiti Teknikal Malaysia Melaka. (Submitted)

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Abstract

With the growing interest in science and technology, significant achievements have been made in various fields. This includes the development of renewable energy sources. This report, therefore, focuses on the characterization of transition metal chalcogenide films for photovoltaic applications. Due to their exceptional structural, optical, and electrical properties, layered transition chalcogenide materials such as Molybdenum Diselenide (MoSe2) have attracted a lot of attention recently. Electrodeposition is used to build low-cost solar cells with direct band gaps and the ability to control the band gap through in-situ doping for the creation of possible heterojunctions. The objectives of this project are to determine the suitable potential to be used using cyclic voltammetry analysis, synthesize molybdenum chalcogenide thin films by using the electrodeposition method and the thickness was investigated using the weight gain method. Investigate the structural characterization of these thin films by using X-ray Diffraction (XRD) and Scanning Electron Microscopy (SEM) reveal information about their grain or molecular structures by analysing their surface morphology. The synthesized films confirm their suitability for being the alternate materials in Solar panel applications.

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