Fruit of an Old Idea

April 16, 2008 | 4 Comments

In 1991, an idea to just use a sensitive dye as the reactive agent in solar cells was offered by Michael Grätzel and Brian O’Regan at the École Polytechnique Fédérale de Lausanne. A cell using dye sensitized materials are thought to be much cheaper than silicon chip designs. The idea has been 17 years in […]