Improvement of Short‐Circuit Current Density in Dye‐Sensitized Solar Cells Using Sputtered Nanocolumnar TiO2 Compact Layer | Zendy

LungChien Chen | Zendy; Cheng-Chiang Chen | Zendy; BoShiang Tseng | Zendy

Open Access

Improvement of Short‐Circuit Current Density in Dye‐Sensitized Solar Cells Using Sputtered Nanocolumnar TiO₂ Compact Layer

Author(s) -

LungChien Chen,

Cheng-Chiang Chen,

BoShiang Tseng

Publication year - 2010

Publication title -

journal of nanomaterials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.463

H-Index - 66

eISSN - 1687-4129

pISSN - 1687-4110

DOI - 10.1155/2010/374052

Subject(s) - materials science , dye sensitized solar cell , indium tin oxide , layer (electronics) , substrate (aquarium) , current density , short circuit , energy conversion efficiency , electrolyte , electrical conductor , optoelectronics , solar cell , chemical engineering , nanotechnology , electrode , composite material , voltage , electrical engineering , chemistry , oceanography , physics , engineering , quantum mechanics , geology

The effect of a nanocolumnar TiO2 compact layer in dye-sensitized solar cells (DSSCs) was examined. Such a compact layer was sputtered on a glass substrate with an indium tin oxide (ITO) film using TiO2 powder as the raw material, with a thickness of ~100 nm. The compact layer improved the short-circuit current density and the efficiency of conversion of solar energy to electricity by the DSSC by 53.37% and 59.34%, yielding values of 27.33 mA/cm2 and 9.21%, respectively. The performance was attributed to the effective electron pathways in the TiO2 compact layer, which reduced the back reaction by preventing direct contact between the redox electrolyte and the conductive substrate

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