Indoline-dye immobilized ZnO nanoparticles for whopping 5.44% light conversion efficiency

Authors
Ambade, Swapnil B.Mane, Rajaram S.Han, Sung-HwanLee, Soo-HyoungSung, Myung-MoJoo, Oh-Shim
Issue Date
2011-08-15
Publisher
ELSEVIER SCIENCE SA
Citation
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY, v.222, no.2-3, pp.366 - 369
Abstract
Using indoline D102-dye, a whopping 5.44% light-to-electrical conversion efficiency owing to higher current density and open circuit voltage is explored for the ZnO nanoparticles (NPs)-based photoelectrode. The ZnO NPs/D102 dye structure has been designed onto indium-tin-oxide, electrons extractor, conducting and transparent substrate. The ZnO NPs of minimum [0 0 2] direction orientation compared to that of [1 0 0] and [1 0 1] directions, an indication of good charge transporting ability, with agglomerated grains of about 5-10 nm in diameters were immobilized in D102 dye for 1 h for dye loading. Low charge transport resistance and nearly 60% incident photon-to-current conversion efficiency were obtained. The results suggest that D102 dye can be potentially used for obtaining high performance ZnO-based dye-sensitized nanostructured solar cells. (C) 2011 Elsevier B.V. All rights reserved.
Keywords
SENSITIZED SOLAR-CELLS; EXTINCTION COEFFICIENT; NANOCRYSTALLINE TIO2; HMP-2 DYE; PERFORMANCE; RECOMBINATION; ELECTRODE; SENSITIZED SOLAR-CELLS; EXTINCTION COEFFICIENT; NANOCRYSTALLINE TIO2; HMP-2 DYE; PERFORMANCE; RECOMBINATION; ELECTRODE; ZnO NPs; Indoline dye; J-V; Impedance; IPCE
ISSN
1010-6030
URI
https://pubs.kist.re.kr/handle/201004/130074
DOI
10.1016/j.jphotochem.2011.05.021
Appears in Collections:
KIST Article > 2011
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