Performance enhancement of thin film silicon solar cells based on distributed Bragg reflector & diffraction grating | Zendy

R.S. Dubey | Zendy; S. Saravanan | Zendy; S. Kalainathan | Zendy

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Performance enhancement of thin film silicon solar cells based on distributed Bragg reflector & diffraction grating

Author(s) -

R.S. Dubey,

S. Saravanan,

S. Kalainathan

Publication year - 2014

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4904218

Subject(s) - materials science , grating , solar cell , optoelectronics , optics , absorption (acoustics) , diffraction grating , reflection (computer programming) , plasmonic solar cell , reflector (photography) , solar cell efficiency , polymer solar cell , silicon , computer science , physics , composite material , light source , programming language

The influence of various designing parameters were investigated and explored for high performance solar cells. Single layer grating based solar cell of 50 μm thickness gives maximum efficiency up to 24 % whereas same efficiency is achieved with the use of three bilayers grating based solar cell of 30 μm thickness. Remarkably, bilayer grating based solar cell design not only gives broadband absorption but also enhancement in efficiency with reduced cell thickness requirement. This absorption enhancement is attributed to the high reflection and diffraction from DBR and grating respectively. The obtained short-circuit current were 29.6, 32.9, 34.6 and 36.05 mA/cm2 of 5, 10, 20 and 30 μm cell thicknesses respectively. These presented designing efforts would be helpful to design and realize new generation of solar cells

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