An easy way to modify the molecular structure of a polymer commonly used in solar cells that can increase solar cell efficiency by over 30 percent has been identified by researchers. Polymer-based solar cells have two domains, consisting of an electron acceptor and an electron donor material. Excitons are the energy particles created by solar cells when light is absorbed. "In order to be harnessed effectively as an energy source, excitons must be able ...
via Medindia Health News
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