Dye-Sensitized Solar Cells

• Dye-Sensitized Solar Cells

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Dye-sensitized solar cell - Dye-sensitized solar cells

1 Dye-sensitized solar cells separate the two functions provided by silicon

in a traditional cell design


Dye-sensitized solar cells - Construction

1 TiO2 only absorbs a small fraction of the solar photons (those in the

UV).Juan Bisquert, [http://www.elp.uji.es/juan_home/research/solar_cells.htm Dye-sensitized solar cells], Departament de Física, Universitat Jaume I The plate is then

immersed in a mixture of a photosensitive ruthenium-pyridine|

polypyridine dye (also called molecular sensitizers) and a solvent


Dye-sensitized solar cells - Efficiency

1 Overall peak power conversion efficiency for current DSSCs is about 11%.American Chemical Society,

[http://www.sciencedaily.com/releases/2006/09/060918201621.htm Ultrathin, Dye-sensitized Solar Cells

Called Most Efficient To Date], ScienceDaily, 20 September 2006 Current record for prototypes lies

at 15%.[http://actu.epfl.ch/news/dye-sensitized-solar-cells-rival-conventional-ce-2/ press release of EPFL][http://www.nature.com/nature/journal/v499/n

7458/full/nature12340.html Nature]: Sequential deposition as a route to high-performance

perovskite-sensitized solar cells


Dye-sensitized solar cells - Disadvantages

1 This, along with the fact that the solvents permeate plastics, has precluded large-

scale outdoor application and integration into flexible structure.Ecole

Polytechnique Fédérale de Lausanne, [http://www.sciencedaily.com/releases/2008/06/080629130741.htm New Efficiency

Benchmark For Dye-sensitized Solar Cells], ScienceDaily, 3 November 2008


Dye-sensitized solar cells - Disadvantages

1 Replacing the liquid electrolyte with a solid has been a major ongoing field of research. Recent experiments using solidified melted salts have shown some promise, but currently suffer from higher degradation during continued operation,

and are not flexible.Nathalie Rossier-Iten, [http://infoscience.epfl.ch/record/64348 Solid hybrid dye-sensitized solar cells: new organic

materials, charge recombination and stability], École Polytechnique Fédérale de Lausanne,

2006


Dye-sensitized solar cells - 2006

1 The first successful solid-hybrid dye-

sensitized solar cells were reported.


Dye-sensitized solar cells - 2009

1 A group of researchers at Georgia Tech made dye-sensitized solar cells with a higher effective surface area

by wrapping the cells around a quartz optical fiber


Dye-sensitized solar cells - Market introduction

1 *Sony Corporation has developed dye-sensitized solar cells with an

energy conversion efficiency of 10%, a level seen as necessary for

commercial use.


Anthocyanin - Dye-sensitized solar cells

1 Anthocyanins have been used in organic solar cells because of their ability to convert light energy into electrical energy. The many benefits to using dye-sensitized solar cells

instead of traditional pn junction silicon cells include lower purity requirements and

abundance of component materials, such as titania, as well as the fact they can be

produced on flexible substrates, making them amenable to roll-to-roll printing

processes.


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Dye-Sensitized Solar Cells