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  2. Copper indium gallium selenide solar cell - Wikipedia

    en.wikipedia.org/wiki/Copper_indium_gallium...

    A copper indium gallium selenide solar cell (or CIGS cell, sometimes CI(G)S or CIS cell) is a thin-film solar cell used to convert sunlight into electric power. It is manufactured by depositing a thin layer of copper indium gallium selenide solid solution on glass or plastic backing, along with electrodes on the front and back to collect current.

  3. Polycrystalline silicon - Wikipedia

    en.wikipedia.org/wiki/Polycrystalline_silicon

    Left side: solar cells made of polycrystalline silicon Right side: polysilicon rod (top) and chunks (bottom). Polycrystalline silicon, or multicrystalline silicon, also called polysilicon, poly-Si, or mc-Si, is a high purity, polycrystalline form of silicon, used as a raw material by the solar photovoltaic and electronics industry.

  4. Solar cell - Wikipedia

    en.wikipedia.org/wiki/Solar_cell

    Triple-junction GaAs solar cells were used as the power source of the Dutch four-time World Solar Challenge winners Nuna in 2003, 2005 and 2007 and by the Dutch solar cars Solutra (2005), Twente One (2007) and 21Revolution (2009). [citation needed] GaAs based multi-junction devices are the most efficient solar cells to date.

  5. Organic solar cell - Wikipedia

    en.wikipedia.org/wiki/Organic_solar_cell

    Fig. 3: Examples of organic photovoltaic materials. A photovoltaic cell is a specialized semiconductor diode that converts light into direct current (DC) electricity. . Depending on the band gap of the light-absorbing material, photovoltaic cells can also convert low-energy, infrared (IR) or high-energy, ultraviolet (UV) photons into DC ele

  6. 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 ...

  7. Crystalline silicon - Wikipedia

    en.wikipedia.org/wiki/Crystalline_silicon

    First generation solar cells are made of crystalline silicon, also called, conventional, traditional, wafer-based solar cells and include monocrystalline (mono-Si) and polycrystalline (multi-Si) semiconducting materials. Second generation solar cells or panels are based on thin-film technology and are of commercially significant importance.

  8. Thin-film solar cell - Wikipedia

    en.wikipedia.org/wiki/Thin-film_solar_cell

    In a typical solar cell, the photovoltaic effect is used to generate electricity from sunlight. The light-absorbing or "active layer" of the solar cell is typically a semiconducting material, meaning that there is a gap in its energy spectrum between the valence band of localized electrons around host ions and the conduction band of higher-energy electrons which are free to move throughout the ...

  9. Scientists break world record for solar power window material

    www.aol.com/scientists-break-world-record-solar...

    The 19.3 per cent efficiency record is still a long way off other solar cell technologies, with researchers passing the 30 per cent barrier last year with a tandem design that used the so-called ...

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