Nano Archive

Spray deposition of electrospun TiO2 nanorods for dye-sensitized solar cell

Fujihara, K. and Kumar, A. and Jose, R. and Ramakrishna, S. and Uchida, S. (2007) Spray deposition of electrospun TiO2 nanorods for dye-sensitized solar cell. NANOTECHNOLOGY, 18 (36). p. 365709.

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A simple technique was developed to fabricate a large-area TiO2 electrode layer using electrospun nanorods for dye-sensitized solar cells (DSSCs). Using this technique, we assembled DSSCs of area ~1 cm2 consisting of a thin TiO2 nanoparticle layer and a thick TiO2 nanorod layer as electrode. The TiO2 nanorods were obtained by mechanically grinding electrospun TiO2 nanofibers. A titania sol was first spin-coated on a conductive glass plate and a TiO2 nanorod layer was next spray dried on it to fabricate TiO2 nanoparticle/nanorod layers. These layers were subsequently sintered. The best-performing DSSC evaluated under AM1.5G (1 sun) condition gave current density ~13.6 mA cm−2, open circuit voltage ~0.8 V, fill factor ~51% and energy conversion efficiency ~5.8%.

Item Type:Article
Subjects:Material Science > Nanofabrication processes and tools
Technology > Nanotechnology and energy applications
Material Science > Nanochemistry
Material Science > Nanostructured materials
ID Code:2659
Deposited By:Anuj Seth
Deposited On:27 May 2009 14:14
Last Modified:27 May 2009 14:14

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