| http://www.w3.org/ns/prov#value | - They also have the potential to be less expensive and more environmentally friendly than the current standard-bearer: silicon-based solar cells.The bendable devices are composed of water-based gel infused with light-sensitive molecules ??? the researchers used plant chlorophyll in one of the experiments ??? coupled with electrodes coated by carbon materials, such as carbon nanotubes or graphite.
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