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Solar Cells

CESI has a 30-year experience in the research, development and production of high efficiency multi-junction solar cells * both for space and terrestrial applications.

Our state of the art triple junction cells can convert the solar radiation into electricity with the efficiency above 30% in space applications and above 40% in terrestrial applications, and are manufactured using III-V compounds (GaAs and InGaP) as base material.

CESI is already at an advanced state of development of quadruple junction solar cells.

The main application of III-V solar cells is in the space, to provide electric power to the satellites, and in high concentration system for the terrestrial field.

CESI it’s one of the top worldwide suppliers of multi-junction cells using material as GaAs (Gallium Arsenide), InGaP (Indium Gallium Phosphide).

In this field of technology, CESI can also provide the following services:

  • Supply of solar cells for different application fields
  • Supply of epitaxial wafers according to the customer specifications
  • Preliminary design of photovoltaic panels using GaAs cells
  • Training on solar technology
  • Developing of advanced technology solutions
  • * “A solar cell, or photovoltaic cell, is an electrical device that converts the energy of light directly into electricity by the photovoltaic effect. It is a form of photoelectric cell, defined as a device whose electrical characteristics, such as current, voltage, or resistance, vary when exposed to light” (Source: Wikipedia)

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