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Solar photovoltaic technology basics | nrel, Solar photovoltaic technology basics. solar cells, called photovoltaic (pv) cells scientists, convert sunlight electricity.. https://www.nrel.gov/workingwithus/re-photovoltaics.html Photovoltaic research development (pvrd) - energy.gov, The photovoltaic research development (pvrd) funding program pushes limits power conversion efficiency, fielded energy output, service lifetime, . https://energy.gov/eere/sunshot/photovoltaic-research-and-development-pvrd Multi-junction solar cell - wikipedia, Traditional photovoltaic cells commonly composed doped silicon metallic contacts deposited top bottom. doping applied thin. https://en.wikipedia.org/wiki/Multijunction_photovoltaic_cell