Abstract
There are essentially different forms of solar cell panels that are used in either for domestic uses or industrial purposes depending on the semiconductor materials. Actually, there are enormous amount of semiconductor and these various types can be combined or adjust the composition of the material can form the new compound of semiconductor. In this paper, the basic concepts of semiconductors that are used for in all aspects of material science and optical devices are firstly described with both theoretical and mathematical approaches. The main objective of this research is to design and analyse the band diagram design of semiconductor materials which are used for high performance solar cells. This paper describes the fundamental theory of semiconductors, the properties analysis and band gap design of materials for solar cells. Firstly, as the physical properties play a vital role in semiconductor measurements, the properties such as effective mass of majority and minority carriers, the dielectric constants and energy band gaps are calculated. Depending on the specified semiconductor material, the required parameters and the mathematical calculation are performed based on the existing equations. Secondly, the optical properties and the characteristics curves of semiconductor materials are discussed. Numerical values of each parameter which are included in analysis are defined in order to achieve the current-voltage characteristic for specific solar cell and then these resultant values are predicted for the performance of solar cells. Finally, the energy band diagram and efficiency of semiconductor solar cells are presented. Therefore, this research is focused in analyzing the useful properties of semiconductor materials for solar cells. The computerized analyses have also mentioned in this paper.
Highlights
This research focuses on energy band diagram design and other important properties of semiconductor materials which can be useful for solar cells especially aiming for obtaining high performance
Even though the lattice structures of Gallium Arsenide (GaAs) and AlGaInP are matched to each other, it has been found that their properties and their efficiency for solar cells are quite different from the above calculation results
Even though the lattice structures of GaAs and AlGaInP are matched to each other, their properties and their efficiency for solar cells are quite different from the above calculation results
Summary
This research focuses on energy band diagram design and other important properties of semiconductor materials which can be useful for solar cells especially aiming for obtaining high performance. Semiconductors are the most essential and demanding items in current energy resources They are performed as different roles in various applications such as solar cells, light emitting diodes (LEDs), laser diodes, regulators, switching systems and so on. The first one is elemental semiconductor materials, found in group 14 of the periodic table, which are the most abundant and easiest to fabricate. The main process of this entire paper is to analyse on band structure design of semiconductor materials for high performance solar cells using theoretical and mathematical approaches. The fundamental needs for high performance solar cells and some essential properties are presented for this paper development [2,3,4,5,6,7]
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