Nano-structured GaAs Solar Cell Design, Simulation and Analysis for Conversion Efficiency Improvement

Paper


Tan, Shiyao, Das, Narottam, Helwig, Andreas and Islam, Syed. 2018. "Nano-structured GaAs Solar Cell Design, Simulation and Analysis for Conversion Efficiency Improvement." 2018 Australasian Universities Power Engineering Conference (AUPEC 2018). Auckland, New Zealand 27 - 30 Nov 2018 Piscataway, United States. https://doi.org/10.1109/AUPEC.2018.8757873
Paper/Presentation Title

Nano-structured GaAs Solar Cell Design, Simulation and Analysis for Conversion Efficiency Improvement

Presentation TypePaper
AuthorsTan, Shiyao (Author), Das, Narottam (Author), Helwig, Andreas (Author) and Islam, Syed (Author)
Journal or Proceedings Title2018 Australasian Universities Power Engineering Conference (AUPEC)
ERA Conference ID50279
Article Number8757873
Number of Pages6
Year2018
Place of PublicationPiscataway, United States
ISBN9781538684740
Digital Object Identifier (DOI)https://doi.org/10.1109/AUPEC.2018.8757873
Web Address (URL) of Paperhttps://ieeexplore.ieee.org/document/8757873
Conference/Event2018 Australasian Universities Power Engineering Conference (AUPEC 2018)
Australasian Universities Power Engineering Conference
Event Details
2018 Australasian Universities Power Engineering Conference (AUPEC 2018)
Event Date
27 to end of 30 Nov 2018
Event Location
Auckland, New Zealand
Event Details
Australasian Universities Power Engineering Conference
AUPEC
Abstract

This paper discusses nano-structured GaAs solar cell design and analysis for conversion efficiency improvement by increasing the light transmission and absorption, reducing the light reflection. The focus of this research is to construct different type of nano-grating shaped GaAs solar cells with various nano-grating heights and pitches, to compare the simulation results and find a suitable nano-structure that can provide higher conversion efficiency. Finite difference time domain (FDTD) simulation tool is used to simulate and calculate the light reflection, transmission and absorption for different nano-grating shapes, such as, parabolic, triangular, trapezoidal and rectangular. Based on the simulation results, it has been confirmed that the light reflection of parabolic shaped nano-grating structures is higher than triangular nano-grating structures, but it is lower than rectangular and trapezoidal shaped nano-grating structures. Moreover, the simulation results confirmed that the light transmission of parabolic shaped nano-grating structures is about 62.3% having a 200-nm grating height and an 810-nm grating pitch, which is about 22% higher than the rectangular (i.e., flat) type substrates.

KeywordsConversion efficiency; Finite-difference time-domain method; GaAs solar cells; Light reflection;transmission;and absorption; Nano-grating structure; Solar or renewable energy
ANZSRC Field of Research 2020400803. Electrical energy generation (incl. renewables, excl. photovoltaics)
Institution of OriginUniversity of Southern Queensland
Byline AffiliationsSchool of Mechanical and Electrical Engineering
School of Engineering
Federation University
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