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Directory:Dye Solar Cells
Directory of technologies and resources pertaining to dye-based solar cells.
This separate listing split off from Directory:Solar on May 6, 2010
- Solar > Dye / BioElectricity > Algae >
Solar Cells Made From Bioluminescent Jellyfish; Algaelectricity - Swedish researchers have devised a way to turn the green fluorescent protein (GFP) from bioluminescent jellyfish into solar cells. The GFP-powered cells work like dye-sensitized solar cells, but don't require expensive materials such as titanium dioxide. Also, a look at biophotovoltaic devices based on algae and photosynthetic bacteria. (New Scientist; Sept. 7, 2010)
- Solar > Dye >
MIT researchers print solar cell on paper - Scientists at the Massachusetts Institute of Technology have developed a technique in which paper is coated with organic semiconductor material using a process similar to an inkjet printer, which could lower the cost and weight of solar panels. Still in the research phase, they are years from being commercialized. (CNET; May 5, 2010)
- Graphene Flakes With Attached Brushes Improving Dye-Sensitized Solar Cells - Graphene, a single layer of carbon atoms – can play an important role in dye-sensitized solar cells, as researchers from the University of Indiana in Bloomington discovered. Until now, graphene could have theoretically been incorporated into the dye used to make the Graetzel cell to improve its efficiency, but what stopped the scientists to do that was that it always clumped together, forming graphite, which is of no use for a solar cell. (The Green Optimistic; Apr. 21, 2010)
- Screen-printed solar cells - The Fraunhofer ISE semi-transparent modules are made of an organic dye which in combination with nanoparticles converts sunlight into electricity. A glass facade made of this material can be given a decorative and promotionally effective design and delivers electricity into the bargain. (PhysOrg; Jan. 29, 2008)
- Orionsolar - Dye cells generate electricity using nano-sized titanium dioxide particles impregnated with dye, work well in a wide range of lighting conditions and are particularly suited to warmer climates. Orionsolar has developed low cost printing and laminating techniques which could reduce the cost of dye cells to 70 cents per peak watt, making solar energy competitive with fossil fuels.
- Nature's Cue for Cheaper Solar Power - Dye-sensitized solar cells may one day generate electricity from sunlight at a tenth of the cost of current silicon-based photovoltaic solar cells. Whereas silicon cells need direct sunlight to operate efficiently, these cells will work efficiently in low diffuse light conditions -- making them ideal for cloudy climates. (Renewable Energy Access; Apr. 19, 2007)
- Dyesol - Dye Solar Cell (DSC), based on artificial photosynthesis is based on the concept of a dye analogous to chlorophyll absorbing light and thus generating electrons which enter the conduction band of a high surface area semiconductor film and further move through an external circuit, thus converting light into ‘green’ power. This is a two-step photovoltaic process, unlike the one step process of conventional PV. It is a photoelectrochemical cell: charge separation occurs on interface between a wide bandgap semiconductor (e.g. titania TiO2) and an electrolyte.
- Solaronix - Development of dye sensitized nanocristalline titanium oxide solar photovoltaic cells imitating natural photosynthesis. This new solar cells is based on the mechanism of a regenerative photoelectrochemical process. The active layer consists of a highly porous nanocrystalline titanium oxide (nc-TiO2) deposited on a transparent electrically conducting substrate.
- Greatcell Solar - Advantages of DSC include: Can be used in any solar conditions--haze, shade, cloud, glare and smog, when semi conductor solar cells such as silicon progressively fail in these conditions. Out performs all other solar cells for indoor and low light applications. Can come in a wide range of colours and transparencies. Cost competitive for kWh/SqM/annum. Can utilise any shape or form--flexible or rigid--metal, polymer or ceramic substrate. Has the lowest embodied energy of all PV technologies.
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