B.E. Pieters

article

Advanced large area characterization of thin-film solar modules by electroluminescence and thermography imaging techniques

A. Gerber, V. Huhn, T.M.H. Tran, M. Siegloch, more

Solar Energy Materials and Solar Cells > 2015 > 135 > Complete > 35-42

This paper shows that the combination of both dark lock-in thermography (DLIT) and electroluminescence (EL) imaging techniques is especially suitable for in-depth shunt analysis of industrial Cu(In,Ga)Se ₂ (CIGS) thin-film modules and for the quantitative analysis of the local electrical cell properties, such as the internal junction voltage or the series resistances of the front and back...

article

Relationship between absorber layer defect density and performance of a‐Si:H and µc‐Si:H solar cells studied over a wide range of defect densities generated by 2MeV electron bombardment

O. Astakhov, Vladimir Smirnov, Reinhard Carius, B.E. Pieters, more

Solar Energy Materials and Solar Cells > 2014 > 129 > Complete > 17-31

We summarize an extensive study on the impact of absorber layer defect density on the performance of amorphous (a-Si:H) and microcrystalline (μc-Si:H) silicon solar cells. To study the effects of the absorber layer defect density we subjected set of a-Si:H and μc-Si:H cells to a 2MeV electron bombardment. Subsequently the cells were stepwise annealed to vary the defect density. The cells have varying...

article

Transient phenomena in Cu(In,Ga)Se2 solar modules investigated by electroluminescence imaging

T.M.H. Tran, B.E. Pieters, C. Ulbrich, A. Gerber, more

Thin Solid Films > 2013 > 535 > Complete > 307-310

Industrially fabricated thin-film modules are investigated by electroluminescence (EL) photography. We observe metastable transients in a series of successive images recorded during application of forward bias immediately after the Cu(In,Ga)Se ₂ modules were kept in the dark for several hours. Our experiments are conducted in the dark either under constant current (monitoring the module voltage)...

article

Electrical characterization of P3 isolation lines patterned with a UV laser incident from the film side on thin-film silicon solar cells

S. Ku, B.E. Pieters, S. Haas, A. Bauer, more

Solar Energy Materials and Solar Cells > 2013 > 108 > Complete > 87-92

We investigate the properties of P3 isolation lines in a-Si:H/μc-Si:H solar modules, prepared with a nano-second pulsed UV laser incident from the film side of the solar module. For the electrical characterization of the P3 lines we developed a method which allows us to distinguish between leakage currents directly across the P3 line, leakage currents along the laser line side walls and to monitor...

article

Modeling of photoluminescence spectra and quasi-Fermi level splitting in μc-Si:H solar cells

B.E. Pieters, T. Kirchartz, T. Merdzhanova, R. Carius

Solar Energy Materials and Solar Cells > 2010 > 94 > 11 > 1851-1854

We developed a model describing the photoluminescence spectra from hydrogenated microcrystalline silicon (μc-Si:H). From the model we derived analytical relations between the separation of the quasi-Fermi levels and PL-peak energy and intensity. These relations may be useful when photoluminescence or electroluminescence based methods are applied for characterization of μc-Si:H solar cells and modules...

article

Optimization of a-SiGe:H solar cells with graded intrinsic layers using integrated optical and electrical modeling

B.E. Pieters, M. Zeman, R.A.C.M.M. van Swaaij, W.J. Metselaar

Thin Solid Films > 2004 > 451-452 > Complete > 294-297

Current hydrogenated amorphous and micro-crystalline silicon solar cells use textured substrates for enhancing the light absorption and (graded) buffer layers in order to improve the overall performance of the cells. The resulting solar cell structures are very complex and for understanding the role of these layers and for further optimization of the solar cell structures computer modeling is a useful...

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Search results for: B.E. Pieters

Advanced large area characterization of thin-film solar modules by electroluminescence and thermography imaging techniques

Relationship between absorber layer defect density and performance of a‐Si:H and µc‐Si:H solar cells studied over a wide range of defect densities generated by 2MeV electron bombardment

Transient phenomena in Cu(In,Ga)Se2 solar modules investigated by electroluminescence imaging

Electrical characterization of P3 isolation lines patterned with a UV laser incident from the film side on thin-film silicon solar cells

Modeling of photoluminescence spectra and quasi-Fermi level splitting in μc-Si:H solar cells

Optimization of a-SiGe:H solar cells with graded intrinsic layers using integrated optical and electrical modeling

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INFONA - science communication portal

Search results for: B.E. Pieters

Advanced large area characterization of thin-film solar modules by electroluminescence and thermography imaging techniques

Relationship between absorber layer defect density and performance of a‐Si:H and µc‐Si:H solar cells studied over a wide range of defect densities generated by 2MeV electron bombardment

Transient phenomena in Cu(In,Ga)Se2 solar modules investigated by electroluminescence imaging

Electrical characterization of P3 isolation lines patterned with a UV laser incident from the film side on thin-film silicon solar cells

Modeling of photoluminescence spectra and quasi-Fermi level splitting in μc-Si:H solar cells

Optimization of a-SiGe:H solar cells with graded intrinsic layers using integrated optical and electrical modeling

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