Volume 15, Issue 1 (Winter-Spring 2021)                   IJOP 2021, 15(1): 19-26 | Back to browse issues page

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Shahraki M, Ghadrdan M. Wideband Absorption Enhancement in Laterally Oriented Core-Shell c-Si/a-Si Hexagonal Nanowire Arrays. IJOP 2021; 15 (1) :19-26
URL: http://ijop.ir/article-1-419-en.html
Wideband Absorption Enhancement in Laterally Oriented Core-Shell c-Si/a-Si Hexagonal Nanowire Arrays
Mojtaba Shahraki * 1, Majid Ghadrdan1
1- Faculty of Electrical and Computer Engineering, University of Sistan and Baluchestan, Zahedan, IRAN
Abstract:   (2214 Views)
In this paper, the optical properties of laterally oriented core-shell nanowire silicon solar cells (NWSCs) are optimized. The optimum structure consists of an array with non-uniform hexagonal nanowires (NWs). Each NW is constructed from an amorphous silicon layer sandwiched between two crystalline silicon layers. In order to improve the light absorption and short circuit current density (Jsc) of NWSC, a particle swarm optimization (PSO) algorithm is used to optimize the geometrical parameters of NWs. It is shown that the optimized structure has advantageous performance in terms of light absorption and Jsc. Finally, a multiple structure composed of two NWs with different morphologies and the optimized dimensions is proposed to utilize NWSCs better.
Keywords: core-shell Nanowires, amorphous silicon, crystalline silicon, whispering-gallery, thin films.
Full-Text [PDF 535 kb]   (1305 Downloads)    
Type of Study: Research | Subject: Special
Received: 2020/07/12 | Revised: 2021/03/8 | Accepted: 2021/05/21 | Published: 2021/12/30
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