Solvent Free Dye Sensitized Solar Cells
In 1991 Grätzel and o’Regan demonstrated the first example of a photoelectrochemical solar cell, a DNSC (Dye-sensitized Nano-structured Solar Cell), which could deliver a competitive light-to-energy conversion efficiency and promised sufficient stability for mass production. Since then, material scientists have focused upon SAMs (Self Assembled Mono-layers) of metal complexes. In an update on dye-sensitized solar cell technology, we learn from Green Car Congress that Professor Michael Grätzel has been busy. Swiss researchers at EPFL (École Polytechnique Fédérale de Lausanne) have teamed up with Chinese researchers to achieve a new efficiency benchmark for solvent-free, dye-sensitized solar cells.
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