Improvement of triple-junction (3J) III-V/Ge solar cells efficiency is hindered by the low
current produced by the top and middle cells relative to the bottom cell (Ge). This can be …

We show how characterization of GaInP/GaInAs/Ge multijunction solar cells benefits from
the use of electroluminescence (EL) measurements. Usual characterization methods …

Solar cell efficiency can be associated with the ability of the solar cell to produce the
maximum amount of electricity from a light energy source. There are many uses of multi …

In-situ characterization is one of the most powerful techniques to improve material quality
and device performance. Especially in view of highly efficient tandem solar cells this is an …

Tandem or multijunction solar cells are a promising method to circumvent the efficiency limit
of single-junction solar cells, but there is ongoing debate over how best to interconnect the …

A route to improving the overall efficiency of multi-junction solar cells employing
conventional III-V and Si photovoltaic junctions is presented here. A simulation model was …

Multijunction solar cells with four junctions are expected to be the next-generation
technology for both space and concentrator photovoltaic applications. Most commercial …

Monolithic, direct epitaxial GaAs 0.75 P 0.25/Si dual-junction (2J) solar cell structures have
been grown via both molecular beam epitaxy (MBE) and metal-organic chemical vapor …

New manufacturing processes were proposed to evaluate important photovoltaic properties
of each subcell in an InGaP/InGaAs/Ge triple-junction solar cell. In addition to the triple …

The pursuit of ever-higher solar cell efficiencies has focused heavily on multijunction
technologies. In tandem cells, subcells are typically either contacted via two terminals (2T) or …