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Solar Silicon Ingot Crystals

Monocrystalline and multicrystalline silicon ingot & bricks for PV Manufacturing

Targray Silicon Ingot for PV Manufacturing

Targray is an market leading supplier of monocrystalline & multicrystalline solar silicon ingot crystals and bricks for photovoltaics manufacturers. Committed to meeting the unique needs of each customer, we also develop custom silicon ingot solutions for photovoltaics manufacturers and technology developers with highly specific project requirements.

Monocrystalline wafers generally have a higher efficiency conversion rate of sunlight to electricity. However, in both monocrystalline & multicrystalline crystallization processes, feedstock quality is a critically important issue. Focused on minimizing investments and operational costs for PV manufacturers, we work closely with partners to ensure the highest consistency & purity polysilicon feedstock is used to produce our line of solar silicon ingots.

Silicon Ingot Material Specifications

Refer to the tables below for Targray solar silicon ingot product specifications.

Crystal Type Monocrystalline
Dopant p-type (Boron)
Crystal Orientation <100>+/-3o
Bulk Lifetime >10 μs
Resistivity 0.5 – 3 Ω – cms
3 – 6
Carbon Concentration <8.0 x 1016 atoms/cm3
Oxygen Concentration <1.0 x 1018 atoms/cm3
Growth Method CZ
Dimensions 165 +/- 0.5 mm
200 +/- 0.5
Ingot Segment Length ≥200 mm
Crystal Structure Multi-Crystalline Cast Silicon Ingots
Casting Method Directional Solidification System (DSS)
Nominal Dimensions
690 mm x 690 mm x 238 mm
840 mm x 840 mm x 260 mm
Nominal Weight
265 kg
400 kg
Conduction Type P-Type, boron doped
Specific Resistivity 0.5 – 3.0 Ω-cm
Lifetime >1.0 μs
Oxygen Concentration Interstitial <8 x 1017 atoms/cm3
Carbon Concentration Substitutional <2 x 1016 atoms/cm3
Targray guarantees that its solar grade silicon material will meet the quoted specifications. Contact us today for all your monocrystalline and multicrystalline solar silicon ingot requirements.

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Contact Targray

For product specifications & detailed information.

+1 (514) 695-8095

To discuss your needs with a materials expert.