Robuta

https://www.nlr.gov/pv/high-efficiency-iii-v-solar-cells
single junctionsolar cellsiiivmultijunction
https://www.nist.gov/publications/improved-high-current-thin-film-multijunction-thermal-converters
We report on the fabrication of new thin-film multijunction thermal converters suitable for the measurement of current and new, simpler multiconverter modules t
thin filmimprovedhighcurrentmultijunction