Light absorption enhancement in ultrathin film solar cell with embedded dielectric nanowires.

Abstract:

:A novel design of thin-film crystalline silicon solar cell (TF C-Si-SC) is proposed and numerically analyzed. The reported SC has 1.0 µm thickness of C-Si with embedded dielectric silicon dioxide nanowires (NWs). The introduced NWs increase the light scattering in the active layer which improves the optical path length and hence the light absorption. The SC geometry has been optimized using particle swarm optimization (PSO) technique to improve the optical and electrical characteristics. The suggested TF C-Si-SC with two embedded NWs offers photocurrent density ([Formula: see text]) of 32.8 mA cm-2 which is higher than 18 mA cm-2 of the conventional thin film SC with an enhancement of 82.2%. Further, a power conversion efficiency of 15.9% is achieved using the reported SC.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Elrabiaey MA,Hussein M,Hameed MFO,Obayya SSA

doi

10.1038/s41598-020-74453-7

subject

Has Abstract

pub_date

2020-10-16 00:00:00

pages

17534

issue

1

issn

2045-2322

pii

10.1038/s41598-020-74453-7

journal_volume

10

pub_type

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