In concentrator photovoltaic (CPV) technology, solar radiation is concentrated on a small
solar cell to reduce semiconductor area by means of an optical collector. Typically, the …

The global energy market is seeing increases in the electricity demand of a couple of
percentage points annually. The photovoltaic (PV) industry is also growing rapidly every …

The efficiency of solar cells can be enhanced by increasing the light intensity and/or the
number of bandgaps of the structure. However, current solar cells cannot fully exploit these …

Micro-concentrator photovoltaics (micro-CPV) is a cutting-edge CPV approach aimed at
increasing the efficiency and reducing the cost and carbon footprint of solar electricity by …

One advantage of microconcentrator photovoltaics (μ-CPV) is the range of possible circuit
connection arrangements. Large numbers of cells can be connected in combinations of …

Transfer printing is a formidable technique to stack multijunction solar cells while avoiding
existing epitaxial limitations. Thus, a larger portion of the solar spectrum can be harvested …

Tunnel junctions with low differential resistance and high transparency have been grown by
molecular beam epitaxy on GaSb substrates. The resulting devices have been characterized …

Transfer printing is an emerging technology for the mechanical stacking of III-V multijunction
solar cells, yielding ultra high efficiency devices under concentration while avoiding existing …