Article (Scientific journals)
Elucidating the opto-electrical properties of solid and hollow titania scattering layers for improvement of dye-sensitized solar cells
Thalluri, Venkata Visveswara Gopala Kris; Henrist, Catherine; Spronck, Gilles et al.
2015In Thin Solid Films
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Keywords :
DSCs; Scattering TiO2 films; Solid and hollow spherical TiO2 nanoparticles; Near-IR dye
Abstract :
[en] The light scattering method has been adapted in dye-sensitized solar cells (DSCs) for optical absorption enhancement. In DSC's, particle-size of TiO2 should be inline with the scattering wavelength range. Scattering particles can be used either by forming a bilayer structure with TiO2 nanocrystalline film or into the bulk of TiO2 nanocrystalline film. For improving the DSCs performances these scattering layers aim to refract/reflect the incident light by extending the traveling distance of UV-Visible/near-IR light within the dye-sensitized TiO2 nanocrystalline film. In this work, the scattering layers with two different particle-sizes (~200 nm-solid and ~400 nm-hollow) were deposited as an additional layer on the top of dye-sensitized TiO2 nanocrystalline film and the morphological properties were studied. By using various opto-electrical characterization techniques, the influence of these scattering layers for two different classes of DSCs prepared from N3 (UV-Vis) and SQ2 (near-IR) dyes were investigated.
Disciplines :
Chemistry
Author, co-author :
Thalluri, Venkata Visveswara Gopala Kris;  Université de Liège - ULiège > Département de chimie (sciences) > LCIS-GREENMAT
Henrist, Catherine ;  Université de Liège > Département de chimie (sciences) > LCIS - GreenMAT
Spronck, Gilles ;  Université de Liège > Département de chimie (sciences) > LCIS - GreenMAT
Vertruyen, Bénédicte  ;  Université de Liège > Département de chimie (sciences) > Chimie inorganique structurale
Dewalque, Jennifer  ;  Université de Liège > Département de chimie (sciences) > LCIS - GreenMAT
Colson, Pierre  ;  Université de Liège > Département de chimie (sciences) > LCIS - GreenMAT
Habraken, Serge ;  Université de Liège > Département de physique > Optique - Hololab
Cloots, Rudi ;  Université de Liège > Département de chimie (sciences) > LCIS - GreenMAT
Language :
English
Title :
Elucidating the opto-electrical properties of solid and hollow titania scattering layers for improvement of dye-sensitized solar cells
Publication date :
2015
Journal title :
Thin Solid Films
ISSN :
0040-6090
Publisher :
Elsevier Science
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 06 October 2015

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