Monocrystalline Wafer For Solar Energy
We have a wide variety of Silicon Wafers in stock.Also,We are committed to meet our customer's requirements either special specifications or standard.
Description/kawalan
Description
Monocrystalline wafers are a popular choice for solar energy applications due to their high efficiency and durability. Monocrystalline wafers are made from a single crystal of silicon, which is sliced into thin wafers and then processed to create solar cells. The resulting solar cells have a uniform appearance and high energy conversion efficiency.
The process of manufacturing monocrystalline wafers involves melting high-purity silicon in a crucible and then slowly cooling it down to form a large, single crystal. The crystal is then sliced into thin wafers using a diamond saw. The wafers are then cleaned, polished, and etched to remove any impurities or defects.
Once the wafers have been prepared, they are coated with a layer of phosphorus-doped silicon to create a p-n junction, which allows the solar cells to convert sunlight into electricity. The cells are then assembled into a solar panel, which can be used to generate electricity from sunlight.
Specification
| Parameter | Specification |
|---|---|
| Wafer diameter | 125 mm (5 inches) or 156 mm (6 inches) |
| Wafer thickness | 200 μm, 250 μm, 300 μm, or 400 μm |
| Wafer orientation | (100) or (111) |
| Dopant type | Boron (p-type) or Phosphorous (n-type) |
| Dopant concentration | 1E16 - 1E19 atoms/cm³ |
| Resistivity | 0.1 - 10 Ω.cm for p-type wafers, 0.5 - 50 Ω.cm for n-type wafers |
| TTV (Total Thickness Variation) | ≤ 5 μm |
| Bow | ≤ 40 μm (125 mm) or ≤ 50 μm (156 mm) |
| Warp | ≤ 40 μm (125 mm) or ≤ 50 μm (156 mm) |
| Surface roughness | Ra ≤ 1 nm (single-side polished) or Ra ≤ 0.5 nm (double-side polished) |
Cool tags: monocrystalline wafer for solar energy
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