Multijunction Si photocathodes with tunable photovoltages from 2.0 V to 2.8 V for light induced water splitting

F Urbain, V Smirnov, JP Becker, A Lambertz… - Energy & …, 2016 - pubs.rsc.org
We report on the development of high performance triple and quadruple junction solar cells
made of amorphous (a-Si: H) and microcrystalline silicon (μc-Si: H) for the application as …

Sputtered ITO for application in thin-film silicon solar cells: Relationship between structural and electrical properties

J Hotovy, J Hüpkes, W Böttler, E Marins, L Spiess… - Applied surface …, 2013 - Elsevier
Indium tin oxide (ITO) thin films for application in thin-film silicon solar cells with superior
electrical and optical properties (resistivity ranging from 1.4 to 8.4× 10− 4Ωcm; transparency …

A modular device for large area integrated photoelectrochemical water-splitting as a versatile tool to evaluate photoabsorbers and catalysts

JP Becker, B Turan, V Smirnov, K Welter… - Journal of Materials …, 2017 - pubs.rsc.org
We present a stand-alone integrated solar water-splitting module with an active area of 64
cm2 and a long-term stable operation. As a photocathode we employ multijunction thin film …

[HTML][HTML] Application and modeling of an integrated amorphous silicon tandem based device for solar water splitting

F Urbain, V Smirnov, JP Becker, U Rau, J Ziegler… - Solar Energy Materials …, 2015 - Elsevier
Direct solar-to-hydrogen conversion via water splitting was demonstrated in an integrated
photovoltaic–electrochemical (PV–EC) device using a hydrogenated amorphous silicon thin …

Solar vanadium redox-flow battery powered by thin-film silicon photovoltaics for efficient photoelectrochemical energy storage

F Urbain, S Murcia-López, N Nembhard… - Journal of Physics D …, 2018 - iopscience.iop.org
Solar-powered vanadium redox-flow batteries (VRFB) have emerged as an attractive
method for large-scale and efficient energy storage and conversion. However, due to the …

Investigation of the thickness effect on material and surface texturing properties of sputtered ZnO: Al films for thin-film Si solar cell applications

X Yan, W Li, AG Aberle, S Venkataraj - Vacuum, 2016 - Elsevier
Abstract Transparent conductive Al-doped ZnO (AZO) layers are widely used as the front
electrode for thin-film silicon solar cells. For superstrate configurations, the front AZO layer …

Development of Thin Film Amorphous Silicon Tandem Junction Based Photocathodes Providing High Open‐Circuit Voltages for Hydrogen Production

F Urbain, K Wilken, V Smirnov… - International journal …, 2014 - Wiley Online Library
Hydrogenated amorphous silicon thin film tandem solar cells (a‐Si: H/a‐Si: H) have been
developed with focus on high open‐circuit voltages for the direct application as …

Structural analysis of ZnO (: Al, Mg) thin films by X-ray diffraction

FA Garcés, N Budini, RR Koropecki, RD Arce - Procedia Materials Science, 2015 - Elsevier
Transparent conductive oxides are widely studied materials for photovoltaics and sensing
systems. ZnO possesses excellent transparency and high electron mobility. In this work, we …

a-Si: H/µc-Si: H tandem junction based photocathodes with high open-circuit voltage for efficient hydrogen production

F Urbain, V Smirnov, JP Becker, U Rau… - Journal of materials …, 2014 - cambridge.org
Thin film silicon tandem junction solar cells based on amorphous silicon (a-Si: H) and
microcrystalline silicon (µc-Si: H) were developed with focus on high open-circuit voltages …

Flexible thin film solar cells on cellulose substrates with improved light management

M Smeets, K Wilken, K Bittkau, H Aguas… - … status solidi (a), 2017 - Wiley Online Library
Cellulose substrates for PV applications present a fibrous surface texture that is not suitable
for the uniform deposition of thin‐film solar cells causing poor device performance. However …