Modeling and Simulation of New Generation of Thin-Film Silicon Solar Cells Using Efficient Light-Trapping Structures



Thin-film solar cells are the alternative over the crystalline solar cells in terms of manufacturing cost. The conversion efficiency of the thin-film solar cells is still less as compared to the conventional solar cells. This drawback has opened many doors of research in terms of the improvement of top antireflective coating, properties of the absorber layer, and use of light-trapping structure at the bottom. For antireflective coating, several materials such as SiO2, TiO2, ZnO, ITO, porous silicon, etc. have been investigated and reported the satisfactory results with respect to their electrical and optical limitations. Conversely, the light-trapping structure at the bottom is one of the crucial factors which allow the reuse of electromagnetic waves which are not being absorbed by the thin absorber layer. Accordingly, several perceptions have been reported to manipulate the electromagnetic waves with the use of an efficient light-trapping structure which reflects and guides the waves towards the thin absorber layer. With this passion, distributed Bragg reflectors, dielectric/metal nanogratings, and nanoparticles have been employed and claimed the enhanced photoconversion. In this chapter, we explore the design of thin-film silicon solar cells based on various light-trapping structures and study of their photovoltaic performance.



The financial support provided by Defence Research and Development Organisation (DRDO), New Delhi, India, is highly acknowledged.


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© Springer International Publishing AG 2018

Authors and Affiliations

  1. 1.Advanced Research Laboratory for Nanomaterials and Devices, Department of NanotechnologySwarnandhra College of Engineering and TechnologySeetharampuram, NarsapurIndia

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