Open AccessLight trapping in periodically textured amorphous silicon thin film solar cells using realistic interface morphologies
Author(s) -
Vladislav Jovanov,
Ujwol Palanchoke,
Philipp Magnus,
Helmut Stiebig,
J. Hüpkes,
Porponth Sichanugrist,
Makoto Konagai,
Samuel Wiesendanger,
Carsten Rockstuhl,
Dietmar Knipp
Publication year - 2013
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.21.00a595
Subject(s) - materials science , amorphous silicon , trapping , optics , silicon , amorphous solid , thin film , substrate (aquarium) , plasmonic solar cell , absorption (acoustics) , solar cell , optoelectronics , crystalline silicon , monocrystalline silicon , nanotechnology , composite material , physics , crystallography , ecology , chemistry , oceanography , geology , biology
The influence of realistic interface morphologies on light trapping in amorphous silicon thin-film solar cells with periodic surface textures is studied. Realistic interface morphologies are obtained by a 3D surface coverage algorithm using the substrate morphology and layer thicknesses as input parameters. Finite difference time domain optical simulations are used to determine the absorption in the individual layers of the thin-film solar cell. The influence of realistic interface morphologies on light trapping is determined by using solar cells structures with the same front and back contact morphologies as a reference. Finally the optimal surface textures are derived.