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  2. Theory of solar cells - Wikipedia

    en.wikipedia.org/wiki/Theory_of_solar_cells

    Band diagram of a silicon solar cell, corresponding to very low current (horizontal Fermi level), very low voltage (metal valence bands at same height), and therefore very low illumination. When a photon is absorbed, its energy is given to an electron in the crystal lattice. Usually this electron is in the valence band.

  3. File:Heterojunction solar cell band diagram.svg - Wikipedia

    en.wikipedia.org/wiki/File:Heterojunction_solar...

    English: An energy band diagram showing energy levels of layers in a typical SHJ (silicon heterojunction) solar cell. The diagram illustrates the contact selectivity of the doped amorphous layers, the difference in band gaps between layers (ie. the heterojunction), quantum tunneling (double arrows) and the degenerate semiconducting ITO.

  4. Schottky junction solar cell - Wikipedia

    en.wikipedia.org/wiki/Schottky_junction_solar_cell

    In a basic Schottky-junction (Schottky-barrier) solar cell, an interface between a metal and a semiconductor provides the band bending necessary for charge separation. [1] Traditional solar cells are composed of p-type and n-type semiconductor layers sandwiched together, forming the source of built-in voltage (a p-n junction ). [ 2 ]

  5. Heterojunction solar cell - Wikipedia

    en.wikipedia.org/wiki/Heterojunction_solar_cell

    A cross-sectional schematic of the layers of a bifacial silicon heterojunction solar cell An energy band diagram showing energy levels of layers in a typical SHJ solar cell A "front-junction" heterojunction solar cell is composed of a p–i–n–i–n -doped stack of silicon layers; the middle being an n -type crystalline silicon wafer and the ...

  6. File:Photovoltaic cell.svg - Wikipedia

    en.wikipedia.org/wiki/File:Photovoltaic_cell.svg

    The schematic symbol of a solar cell. ... distribute and/or modify this document under the terms of the GNU Free ... Solar panel symbol to use in circuit diagram.

  7. Solar cell - Wikipedia

    en.wikipedia.org/wiki/Solar_cell

    A solar cell, also known as a photovoltaic cell (PV cell), is an electronic device that converts the energy of light directly into electricity by means of the photovoltaic effect. [1] It is a form of photoelectric cell, a device whose electrical characteristics (such as current , voltage , or resistance ) vary when it is exposed to light.

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  9. Electronic band structure - Wikipedia

    en.wikipedia.org/wiki/Electronic_band_structure

    To understand how band structure changes relative to the Fermi level in real space, a band structure plot is often first simplified in the form of a band diagram. In a band diagram the vertical axis is energy while the horizontal axis represents real space. Horizontal lines represent energy levels, while blocks represent energy bands.

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