Category: Handbook of Photovoltaic Science and Engineering

Two-terminal Series-connected (Current-matched)

The two-terminal series-connected configuration provides the fewest possibilities for interconnection of the devices. This configuration requires that the subcells be of the same polarity and that the photocurrents of the subcells be closely matched, since in this series connection the subcell with the least photocurrent limits the current generated by the entire device. This current-matching […]

PHYSICS OF III-V MULTIJUNCTION AND SINGLE-JUNCTION SOLAR CELLS

8.1.2 Wavelength Dependence of Photon Conversion Efficiency As a prelude to the detailed examination of the design and performance of multijunction cells, it is useful to review briefly the fundamental factors that limit the efficiency of single-junction cells. Consider an ideal single-junction cell with characteristic bandgap Eg. A photon incident on this cell with photon […]

Terrestrial Electricity Generation

The PV industry currently services a wide range of terrestrial applications, from power for small consumer products to larger grid-connected systems. III-V solar cells are currently too expensive for most one-sun applications. While satellites represent an example of an application for which the extra cost is acceptable, for bulk electricity generation, a concentration of 400 […]