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- Title
HOT CARRIER PHOTOCURRENT AS AN INTRINSIC LOSS IN A SINGLE JUNCTION SOLAR CELL.
- Authors
GRADAUSKAS, J.; MASALSKYI, O.; AŠMONTAS, S.; SUŽIEDĖLIS, A.; RODIN, A.; ZHARCHENKO, I.
- Abstract
In photovoltaics, hot carriers are mainly considered as a workforce for efficient hot carrier solar cells or as a reason of unfavorable heating of classical solar cells. Here we present experimental evidence of the hot carrier photocurrent, i.e., the current induced across a p-n junction by the hot carriers before their thermalisation. Competition between two photocurrents, the hot carrier and the generation-caused, is highlighted through excitation intensity, wavelength, sample temperature and bias voltage. The adverse impact of the hot carrier effect on the successful operation of a single junction solar cell is demonstrated, suggesting the need to discuss it as a novel form of intrinsic loss mechanism.
- Subjects
HOT carriers; SOLAR cells; CELL junctions; PHOTOVOLTAIC power systems; SOLAR heating; PHOTOCURRENTS
- Publication
Ukrainian Journal of Physical Optics, 2024, Vol 25, Issue 1, p1106
- ISSN
1609-1833
- Publication type
Article
- DOI
10.3116/16091833/Ukr.J.Phys.Opt.2024.01106