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2. Solar-cell efficiency - Wikipedia

   en.wikipedia.org/wiki/Solar-cell_efficiency

   The efficiency of the solar cells used in a photovoltaic system, in combination with latitude and climate, determines the annual energy output of the system. For example, a solar panel with 20% efficiency and an area of 1 m 2 produces 200 kWh/yr at Standard Test Conditions if exposed to the Standard Test Condition solar irradiance value of 1000 ...

3. Third-generation photovoltaic cell - Wikipedia

   en.wikipedia.org/wiki/Third-generation...

   Such a cell can have a maximum theoretical power conversion efficiency of 33.7% – the solar power below red (in the infrared) is lost, and the extra energy of the higher colors is also lost. For a two layer cell, one layer should be tuned to 1.64 eV and the other at 0.94 eV, with a theoretical performance of 44%.

4. Cadmium telluride photovoltaics - Wikipedia

   en.wikipedia.org/wiki/Cadmium_telluride...

   Solar cell efficiencies. In August 2014 First Solar announced a device with 21.1% conversion efficiency. [42] In February 2016, First Solar announced that they had reached a record 22.1% conversion efficiency in their CdTe cells. In 2014, the record module efficiency was also raised by First Solar from 16.1% up to 17.0%. [43]

5. Solar panel breakthrough promises record efficiency with new ...

   www.aol.com/solar-panel-breakthrough-promises...

   The material achieved an external quantum efficiency (EQE) of 190 per cent – an important method for measuring the efficiency of a solar cell. The EQE rate represents the generation of one ...

6. Shockley–Queisser limit - Wikipedia

   en.wikipedia.org/wiki/Shockley–Queisser_limit

   The Shockley–Queisser limit, zoomed in near the region of peak efficiency. In a traditional solid-state semiconductor such as silicon, a solar cell is made from two doped crystals, one an n-type semiconductor, which has extra free electrons, and the other a p-type semiconductor, which is lacking free electrons, referred to as "holes."

7. Concentrator photovoltaics - Wikipedia

   en.wikipedia.org/wiki/Concentrator_photovoltaics

   Reported records of solar cell efficiency since 1975. As of December 2014, best lab cell efficiency reached 46% (for ⊡ multi-junction concentrator, 4+ junctions). According to theory, semiconductor properties allow solar cells to operate more efficiently in concentrated light than they do under a nominal level of solar irradiance. This is ...