Photo of ultrathin on-chip solar cells. The cells are the green squares and include an ultrathin layer of light-absorbing GaAs, which is key to their radiation tolerance. The surface of each green ...
Researchers from the Visvesvaraya National Institute of Technology in India have proposed a new copper indium gallium diselenide (CIGS) solar cell structure using tungsten disulfide (WS 2) as the back ...