Dye Sensitized Solar Cells Diagram
A long term stable dsscs and hence the feasibility of outdoor applications of both the dye sensitized solar cells and modules.
Dye sensitized solar cells diagram. In dye sensitized solar cells after absorbing photon energy from the illuminated white light the dye molecules become excited d and inject electrons into the zno nanowires fig. The cell is composed of four elements namely the transparent conducting and. The modern version of a dye solar cell also known as the grätzel cell was originally co invented in 1988 by brian o regan and michael. Dye sensitized solar cells dssc â were invented in 1991 by professor michael graetzel and dr brian oâ regan at ã cole polytechnique fã dã rale de lausanne epfl switzerland and is often referred to as the grã etzel.
Dye sensitized solar cells dsscs have garnered a lot of attention in recent years. Reported best research cell efficiencies source. Dye sensitized solar cells dsscs belong to the group of thin film solar cells which have been under extensive research for more than two decades due to their low cost simple preparation methodology low toxicity and ease of production. A dye sensitized solar cell dssc dsc dysc or grätzel cell is a low cost solar cell belonging to the group of thin film solar cells.
The solar energy to power conversion efficiency of a dssc is influenced by various components of the cell such as the dye electrolyte electrodes and additives among others leading to varying experimental configurations. National renewable laboratory 2007. Dye sensitized solar cells dssc are thin film solar cells based on the photo electrochemical processes. It is based on a semiconductor formed between a photo sensitized anode and an electrolyte a photoelectrochemical system.
A schematic diagram of the cell and b current density as a function of bias. Dye sensitized solar cells. A large number of metal based and metal free dye sensitizers have now been reported and. Dye sensitized solar cells based on zno nanowires.
This new class of advanced solar cell can be likened to artificial photosynthesis due to the way in which it mimics natureâ s absorption of light energy. Part 1 in a 3 part series on dye solar cells the gamry instruments mobile app is a convenient way to find technical support articles application notes electronic versions of our instrument s user manuals as well as news and events happening in the electrochemical research arena.