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@ARTICLE{Richter:811397,
author = {Richter, Alexei and Lentz, Florian and Meier, Matthias and
Finger, Friedhelm and Ding, Kaining},
title = {{L}ight management in planar silicon heterojunction solar
cells via nanocrystalline silicon oxide films and
nano-imprint textures},
journal = {Physica status solidi / A},
volume = {213},
number = {7},
issn = {0031-8965},
address = {Weinheim},
publisher = {Wiley-VCH},
reportid = {FZJ-2016-03881},
pages = {1976 - 1982},
year = {2016},
abstract = {In order to increase the efficiency of high performance
silicon heterojunction solar cells even further, it is
paramount to increase the photoelectric current by enhancing
the amount of light being captured within the absorber.
Therefore, to reduce the parasitic absorption in the other
layers, optoelectronically favorable hydrogenated
nanocrystalline silicon oxide films can substitute the
commonly used hydrogenated amorphous silicon layers. In this
work, we systematically investigate the combination of
hydrogenated nanocrystalline silicon oxide and front side
nano-imprint textures as anti-reflection layers in silicon
heterojunction solar cells. Ultimately, we were able to tune
the parasitic absorption via variation of the front surface
field layer and enhance the short-circuit current of the
planar solar cells by about 2 mA cm−2 due to a random
silicon pyramid textured imprint layer. A maximum active
area efficiency of $20.4\%$ was achieved with a
short-circuit current of 37.7 mA cm−2.},
cin = {IEK-5},
ddc = {530},
cid = {I:(DE-Juel1)IEK-5-20101013},
pnm = {121 - Solar cells of the next generation (POF3-121) / HITEC
- Helmholtz Interdisciplinary Doctoral Training in Energy
and Climate Research (HITEC) (HITEC-20170406)},
pid = {G:(DE-HGF)POF3-121 / G:(DE-Juel1)HITEC-20170406},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000385222900049},
doi = {10.1002/pssa.201533024},
url = {https://juser.fz-juelich.de/record/811397},
}