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@ARTICLE{Pomaska:281337,
author = {Pomaska, M. and Beyer, W. and Neumann, E. and Finger, F.
and Ding, K.},
title = {{I}mpact of microcrystalline silicon carbide growth using
hot-wire chemical vapor deposition on crystalline silicon
surface passivation},
journal = {Thin solid films},
volume = {595},
issn = {0040-6090},
address = {Amsterdam [u.a.]},
publisher = {Elsevier},
reportid = {FZJ-2016-01036},
pages = {217 - 220},
year = {2015},
abstract = {Highly crystalline microcrystalline silicon carbide
(μc-SiC:H) with excellent optoelectronic material
properties is a promising candidate as highly transparent
doped layer in silicon heterojunction (SHJ) solar cells.
These high quality materials are usually produced using hot
wire chemical vapor deposition under aggressive growth
conditions giving rise to the removal of the underlying
passivation layer and thus the deterioration of the
crystalline silicon (c-Si) surface passivation. In this
work, we introduced the n-type μc-SiC:H/n-type
μc-SiOx:H/intrinsic a-SiOx:H stack as a front layer
configuration for p-type SHJ solar cells with the μc-SiOx:H
layer acting as an etch-resistant layer against the reactive
deposition conditions during the μc-SiC:H growth. We
observed that the unfavorable expansion of micro-voids at
the c-Si interface due to the in-diffusion of hydrogen atoms
through the layer stack might be responsible for the
deterioration of surface passivation. Excellent lifetime
values were achieved under deposition conditions which are
needed to grow high quality μc-SiC:H layers for SHJ solar
cells.},
cin = {IEK-5},
ddc = {070},
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:000365812900002},
doi = {10.1016/j.tsf.2015.05.057},
url = {https://juser.fz-juelich.de/record/281337},
}