3 papers
physics.app-ph2021
The interesting case of a single-junction solar cell in outer space
Ido Frenkel, Avi Niv
An isolated single-junction solar cell's temperature in outer space depends only on its radiation exchange with its environment. We consider a cell with zero emissivity below its b…
cond-mat.stat-mech2020
A unified approach to the thermodynamics of a photovoltaic system
Ido Frenkel, Avi Niv
Thermodynamics is accepted as a universal truth, encompassing all macroscopic objects. Therefore, it is surprising to find that, within our current understanding, the photovoltaic…
physics.optics2019
Diffusive external light-trap for solar cells
Ido Frenkel, Shilpi Shital, Avi Niv
The ability to absorb light is indispensable for high efficient solar power generation. This places conflicting requirements on the structure of a solar cell: On one hand, it needs…