Si

Crystalline silicon material is the most important photovoltaic material, and its properties are gray black with metallic luster, high melting point (1410 ), high hardness, brittleness and inactive chemical properties at room temperature. Its market share is more than 90%, and it will still be the mainstream material of solar cells for a long time in the future.

Uses/Applications

Crystalline silicon material is the most important photovoltaic material, and it will still be the mainstream material of solar cells for a long time in the future.

Features/Benefits

High hardness, brittleness and inactive chemical properties at room temperature.

  • Crystal Structure

    Cubic

    Melting Point

    1420℃

    Density

    2.4g/cm3

    Dopant

    Undoped

    Boron

    Phosphorus

    Conduction Type

    I

    P

    N

    Resistivity

    1000Ωcm

    10-3~1000Ωcm

    10-3~1000Ωcm

    EPD

    ≤100∕cm2

    ≤100∕cm2

    ≤100∕cm2

    Oxygen Content∕cm3

    ≤1~1.8×1018

    ≤1~1.8×1018

    ≤1~1.8×1018

    Carbon Content∕cm3

    ≤5×1016

    ≤5×1016

    ≤5×1016

    Dimension

    5x5mm ,10×10mm, 20×20mm

    Ø50.8mm, Ø76.2mm, Ø100mm

    According to customer needs, substrates with special orientation and size can be customized.

    Thickness

    0.5mm1.0mm

    Dimension Tolerance

    <±0.1mm

    Thickness Tolerance

    <±0.025mm

    Polishing

    One side or two sides

    Orientation Tolerance

    ±0.5°

    Edge Orientation Accuracy

    (Special requirements can reach within 1°)

    Orientation

    <100><110><111>

    Package

    Class 100 clean bag, Class 1000 super clean room


  • Dimension

    5x5mm ,10×10mm, 20×20mm; Ø50.8mm, Ø76.2mm, Ø100mm

    According to customer needs, substrates with special orientation and size can be customized.


    Thickness

    0.5mm、1.0mm


    Dimension Tolerance

    <±0.1mm

    Thickness Tolerance

    <±0.025mm