Intensity and temperature dependent characterization of eta solar cell | Zendy

Musembi Robinson J. | Zendy; Rusu Marin | Zendy; Mwabora Julius M. | Zendy; Aduda Bernard O. | Zendy; Fostiropoulos Konstantinos | Zendy; LuxSteiner Martha Ch. | Zendy

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Intensity and temperature dependent characterization of eta solar cell

Author(s) -

Musembi Robinson J.,

Rusu Marin,

Mwabora Julius M.,

Aduda Bernard O.,

Fostiropoulos Konstantinos,

LuxSteiner Martha Ch.

Publication year - 2008

Publication title -

physica status solidi (a)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.532

H-Index - 104

eISSN - 1862-6319

pISSN - 1862-6300

DOI - 10.1002/pssa.200723466

Subject(s) - solar cell , atmospheric temperature range , band diagram , pedot:pss , quantum tunnelling , characterization (materials science) , diode , materials science , optoelectronics , range (aeronautics) , quantum efficiency , intensity (physics) , recombination , chemistry , analytical chemistry (journal) , optics , physics , band gap , electrode , nanotechnology , thermodynamics , biochemistry , chromatography , gene , composite material

Temperature‐dependent electrical characterization of a highly structured TiO 2 /In(OH) x S y /Pb(OH) x S y /PEDOT:PSS eta solar cell has been carried out. The transport mechanism in this type of solar cell has been investigated. A schematic energy band diagram which explains the photoelectrical properties of the device has been proposed. The solar cell has been characterized in the temperature range 200–320 K at illumination intensities between 0.05 mW/cm 2 and 100 mW/cm 2 . The diode ideality factor A under illumination has been found to vary between 1.2 and 1.6, whereas in the dark 6.9 ≤ A ≤ 10.1. The device has been found to undergo a thermally activated recombination under illumination, while tunnelling enhanced recombination has been established to dominate the current in the dark. The solar cell efficiency shows a logarithmic dependence on illumination in the whole temperature range investigated, achieving its maximum at an illumination of ∼45 mW/cm 2 . (© 2008 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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