Search Results - "Tromholt, Thomas"

Stability of Polymer Solar Cells by Jørgensen, Mikkel, Norrman, Kion, Gevorgyan, Suren A., Tromholt, Thomas, Andreasen, Birgitta, Krebs, Frederik C.

“…Organic photovoltaics (OPVs) evolve in an exponential manner in the two key areas of efficiency and stability. The power conversion efficiency (PCE) has in the…”
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Electrical and Photo-Induced Degradation of ZnO Layers in Organic Photovoltaics by Manor, Assaf, Katz, Eugene A., Tromholt, Thomas, Krebs, Frederik C.

“…We present the case of degradation of organic solar cells by sunlight concentrated to a moderate level (∼4 suns). This concentration level is not enough for…”
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Enhancing functionality of ZnO hole blocking layer in organic photovoltaics by Manor, Assaf, Katz, Eugene A., Tromholt, Thomas, Krebs, Frederik C.

“…We present a simple post-processing treatment, which dramatically improves the electrical properties of inverted geometry bulk-heterojunction organic solar…”
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Ellipsometry as a Nondestructive Depth Profiling Tool for Roll-to-Roll Manufactured Flexible Solar Cells by Madsen, Morten V, Sylvester-Hvid, Kristian O, Dastmalchi, Babak, Hingerl, Kurt, Norrman, Kion, Tromholt, Thomas, Manceau, Matthieu, Angmo, Dechan, Krebs, Frederik C

“…We show that it is possible to perform ellipsometry on large area roll-to-roll (R2R) coated solar cells on flexible substrates and further demonstrate that the…”
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Influence of processing and intrinsic polymer parameters on photochemical stability of polythiophene thin films by Madsen, Morten V., Tromholt, Thomas, Böttiger, Arvid, Andreasen, Jens W., Norrman, Kion, Krebs, Frederik C.

“…Intrinsic polymer parameters such as regio-regularity, molecular weight, and crystallinity play an important role when studying polymer stability. 18 different…”
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Ultra high open circuit voltage (>1 V) of poly-3-hexylthiophene based organic solar cells with concentrated light by Tromholt, Thomas, Madsen, Morten V., Krebs, Frederik C.

“…One approach to increasing polymer solar cell efficiency is to blend poly-(3-hexyl-thiophene) with poorly electron accepting fullerene derivatives to obtain…”
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Effects of concentrated sunlight on organic photovoltaics by Tromholt, Thomas, Katz, Eugene A., Hirsch, Baruch, Vossier, Alexis, Krebs, Frederik C.

“…We report the effects of concentrated sunlight on key photovoltaic parameters and stability of organic photovoltaics (OPV). Sunlight collected and concentrated…”
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Concentrated Light for Accelerated Photo Degradation of Polymer Materials by Madsen, Morten V., Tromholt, Thomas, Norrman, Kion, Krebs, Frederik C.

“…Concentrated light is used to perform photochemical degradation of polymer solar cell materials with acceleration factors up to 1200. At constant temperature…”
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Degradation of semiconducting polymers by concentrated sunlight by Tromholt, Thomas, Manceau, Matthieu, Helgesen, Martin, Carlé, Jon E., Krebs, Frederik C.

“…A lens based sunlight concentration setup was used to accelerate the degradation of semiconducting polymers. Sunlight was collected outdoor and focused into an…”
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Thermocleavable Materials for Polymer Solar Cells with High Open Circuit VoltageA Comparative Study by Tromholt, Thomas, Gevorgyan, Suren A, Jørgensen, Mikkel, Krebs, Frederik C, Sylvester-Hvid, Kristian O

“…The search for polymer solar cells giving a high open circuit voltage was conducted through a comparative study of four types of bulk-heterojunction solar…”
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Non-destructive lateral mapping of the thickness of the photoactive layer in polymer-based solar cells by Sylvester-Hvid, Kristian O., Tromholt, Thomas, Jørgensen, Mikkel, Krebs, Frederik C., Niggemann, Michael, Zimmermann, Klaus, Liehr, Andreas W.

“…ABSTRACT Non‐destructive lateral mapping of the thickness of the photoactive layer in poly(3‐hexyl‐thiophene) : 1‐(3‐methoxy‐carbonyl)propyl‐1‐phenyl‐(6,6)C61…”
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Accelerated stability testing of organic photovoltaics using concentrated sunlight by Katz, E. A., Manor, A., Mescheloff, A., Tromholt, T., Krebs, F. C.

“…We suggest to use concentrated sunlight for accelerated studies of light-induced mechanisms in the degradation of organic photovoltaics (OPV) based on the…”
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