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Preparation of transparent and conducting boron-doped ZnO electrode for its application in dye-sensitized solar cells
Ist Teil von
Solar energy materials and solar cells, 2009-04, Vol.93 (4), p.524-527
Ort / Verlag
Elsevier B.V
Erscheinungsjahr
2009
Quelle
Alma/SFX Local Collection
Beschreibungen/Notizen
A simple and economic chemical spray pyrolysis method is used to prepare transparent and conducting boron-doped zinc oxide (B
n
ZnO) electrode having potential applications in dye-sensitized solar cells (DSSCs). The B
n
ZnO electrodes were critically characterized for their structural, morphological and electrical properties. The B
n
ZnO electrode with 2
at% boron doping showed average grain size of 20(±1)
nm, surface roughness of 9
nm, ⩾95% transparency and resistivity of 4.5×10
−3
Ω
cm
−1. Furthermore, doping concentration of boron could also be easily controlled for achieving desired properties. Using this electrode as a substrate in DSSCs, the solar-to-electrical conversion efficiency with N3 dye as a sensitizer was noted to be 1.53%. This work suggests that the B
n
ZnO electrodes could be used as promising alternative to presently used indium- or fluorine-doped tin oxide as substrates.