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  2. Crystalline silicon - Wikipedia

    en.wikipedia.org/wiki/Crystalline_silicon

    Crystalline silicon or (c-Si) is the crystalline forms of silicon, either polycrystalline silicon (poly-Si, consisting of small crystals), or monocrystalline silicon (mono-Si, a continuous crystal). Crystalline silicon is the dominant semiconducting material used in photovoltaic technology for the production of solar cells .

  3. Solar cell - Wikipedia

    en.wikipedia.org/wiki/Solar_cell

    An amorphous silicon (a-Si) solar cell is made of non-crystalline or microcrystalline silicon. Amorphous silicon has a higher bandgap (1.7 eV) than crystalline silicon (c-Si) (1.1 eV), which means it absorbs the visible part of the solar spectrum more strongly than the higher power density infrared portion of the spectrum.

  4. Monocrystalline silicon - Wikipedia

    en.wikipedia.org/wiki/Monocrystalline_silicon

    The primary application of monocrystalline silicon is in the production of discrete components and integrated circuits.Ingots made by the Czochralski method are sliced into wafers about 0.75 mm thick and polished to obtain a regular, flat substrate, onto which microelectronic devices are built through various microfabrication processes, such as doping or ion implantation, etching, deposition ...

  5. Heterojunction solar cell - Wikipedia

    en.wikipedia.org/wiki/Heterojunction_solar_cell

    The heterojunction structure, and the ability of amorphous silicon layers to effectively passivate crystalline silicon has been well documented since the 1970s. [9] [16] [17] Heterojunction solar cells using amorphous and crystalline silicon were developed with a conversion efficiency of more than 12% in 1983. [18]

  6. 11 Best Bird Baths That Will Bring All the Birds to Your Yard

    www.aol.com/11-best-bird-baths-bring-181300015.html

    Mounted Heated Bird Bath. If you want to give birds a freshwater source during winter but need the bird bath to be on your patio for easier access to an outlet, Feeney suggests purchasing a deck ...

  7. Solar-powered pump - Wikipedia

    en.wikipedia.org/wiki/Solar-powered_pump

    A windpump replaced by a solar-powered pump at a water hole in the Augrabies Falls National Park. [Notes 1] This solar water pump up to 3.7 kW is useful for farmers.Solar-powered pumps run on electricity generated by photovoltaic (PV) panels or the radiated thermal energy available from collected sunlight as opposed to grid electricity- or diesel-run water pumps. [1]

  8. Cadmium telluride photovoltaics - Wikipedia

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

    Cadmium telluride PV is the only thin film technology with lower costs than conventional solar cells made of crystalline silicon in multi-kilowatt systems. [1] [2] [3] On a lifecycle basis, CdTe PV has the smallest carbon footprint, lowest water use and shortest energy payback time of any current photovoltaic technology.

  9. Allotropes of silicon - Wikipedia

    en.wikipedia.org/wiki/Allotropes_of_silicon

    Crystalline silicon has a metallic luster and a grayish color. Single crystals can be grown with the Czochralski process. Crystalline silicon can be doped with elements such as boron, gallium, germanium, phosphorus or arsenic. Doped silicon is used in solid-state electronic devices, such as solar cells, rectifiers and computer chips. [1]

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