Structural design of photonic crystal thin film silicon solar cells by sensitivity analysis: Inclusion of electrode absorption | Zendy

Yosuke Kawamoto | Zendy; Yoshinori Tanaka | Zendy; Kenji Ishizaki | Zendy; Menaka De Zoysa | Zendy; Takashi Asano | Zendy; Susumu Noda | Zendy

Open Access

Structural design of photonic crystal thin film silicon solar cells by sensitivity analysis: Inclusion of electrode absorption

Author(s) -

Yosuke Kawamoto,

Yoshinori Tanaka,

Kenji Ishizaki,

Menaka De Zoysa,

Takashi Asano,

Susumu Noda

Publication year - 2015

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.23.00a896

Subject(s) - materials science , photonic crystal , optoelectronics , absorption (acoustics) , thin film , optics , silicon , solar cell , electrode , plasmonic solar cell , layer (electronics) , monocrystalline silicon , nanotechnology , composite material , chemistry , physics

We carry out the structural design of photonic crystals (PCs) using sensitivity analysis for enhancing optical absorption of thin film microcrystalline silicon (μc-Si) solar cells. In this paper, we employ a model which includes absorption of not only the thin film μc-Si, but also the transparent conductive oxide and metal back reflector for design accuracy. We carry out structural design for this model using sensitivity analysis which maximizes optical absorption in μc-Si layer. As a result, we succeed in obtaining the maximum short circuit current density of 25.2 mA/cm2 for thin film (600-nm thick) μc-Si solar cells (1.4-fold increase compared to the case without a PC).

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