A thin-film silicon/silicon hetero-junction hybrid solar cell for photoelectrochemical water-reduction applications

Journal article (2016)

Authors

R.A. Vasudevan Photovoltaic Materials and Devices - EEMCS
A.H.M. Smets Photovoltaic Materials and Devices - EEMCS
L. Han Electronic Instrumentation - EEMCS
H. Tan Photovoltaic Materials and Devices - EEMCS
Thom Buijs Student
D. Deligiannis Photovoltaic Materials and Devices - EEMCS
P. Perez Rodriguez Photovoltaic Materials and Devices - EEMCS
I.A. Digdaya ChemE/Materials for Energy Conversion and Storage - AS
W.A. Smith ChemE/Materials for Energy Conversion and Storage - AS
M. Zeman Photovoltaic Materials and Devices - EEMCS
Research Group
Photovoltaic Materials and Devices (EEMCS) (TU Delft)
Copyright: © 2016 R.A. Vasudevan, Zaid Thanawala, L. Han, H. Tan, Thom Buijs, D. Deligiannis, P. Perez Rodriguez, I.A. Digdaya, W.A. Smith, M. Zeman, A.H.M. Smets
DOI: https://doi.org/10.1016/j.solmat.2016.02.006
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Published Date

2016

Language

English

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Faculty

Electrical Engineering, Mathematics and Computer Science

Department

Electrical Sustainable Energy

Research Group

Photovoltaic Materials and Devices

Abstract

A hybrid tandem solar cell consisting of a thin-film, nanocrystalline silicon top junction and a siliconheterojunction bottom junction is proposed as a supporting solar cell for photoelectrochemical applications.Tunneling recombination junction engineering is shown to be an important consideration indesigning this type of solar cell. The best hybrid cell produced has a spectral utilization of 30.6 mA cm2a JSC of 14 mA cm2, a VOC of 1.1 V, a fill factor of 0.67 and thus an efficiency of 10.3%. A high solar-tohydrogenefficiency of 7.9% can be predicted when using the hybrid cell in conjunction with current a-SiCphotocathode technology.

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