Polycrystalline Silicon
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Project at a Glance

Contents on the CD Rom

  • Polycrystalline silicon, also called polysilicon, is a material consisting of small silicon crystals.
  • It differs from single-crystal silicon, used for electronics and solar cells, and from amorphous silicon, used for thin film devices and solar cells.
  • Polycrystalline and paracrystalline phases (see Polycrystal) are composed of a number of smaller crystals or crystallites.
  • Polycrystalline silicon (or semicrystalline silicon, polysilicon, poly-Si, or simply "poly") is a material consisting of multiple small silicon crystals.
  • Polycrystalline cells can be recognized by a visible grain, a “metal flake effect”.
  • Polysilicon is a key component for integrated circuit and central processing unit manufacturers such as AMD and Intel.
  • At the component level, polysilicon has long been used as the conducting gate material in MOSFET and CMOS processing technologies.
  • Polysilicon manufacturing market is in a very fast growth mode.
  • According to Digitimes in July 2011, the total polysilicon production in 2010 was 209,000 tons and first-tier suppliers account for 64% of the market while China-based polysilicon firms have 30% of market share.
  • The total production is likely to increase 37.4% to 281,000 tons by end of 2011.
  • The Hemlock Semiconductor Group, which includes two Dow Corning Corporation joint ventures, Hemlock Semiconductor Group and Hemlock Semiconductor LLC, will invest up to $3.0 billion to expand polycrystalline silicon (polysilicon) production, a key raw material used to manufacture solar cells and semiconductor devices.
  • By 2015, the joint ventures will have increased polysilicon manufacturing capacity by up to 10 times over that 10-year span.
  • In 2009, the global polycrystalline silicon production capacity increased by atleast 65% and China recorded the highest production ramp up of a huge 300% over the previous year.
  • More than 98% of semiconductor-grade polysilicon is produced by the
    trichlorosilane (SiHCl3) distillation and reduction method.
  • For crystal-growth feedstock, the c-Si PV industry has been relying on waste material from the semiconductor Si industry and on secondary polysilicon, the excess or rejected material from electronic-grade polysilicon production.

General

  • Polycrystalline silicon
  • Solar Centre Polycrystalline Silicon
  • Poly silicon
  • High purity photovoltaics

Facts

  • Silicon facts
  • Polycrystalline Silicon Photovoltaics
  • Why are Polycrystalline Solar Cells so popular
  • Polycrystalline silicon facts

Datasheet

  • Polycrystalline Silicon
  • Polysilicon
  • Polysilicon powder
  • Silicon powder (Polycrystalline)
  • Polycrystalline Diamond Suspension
  • Polycrystalline Silicon powder

Report

  • Polycrystalline silicon photovoltaic manufacturing technology
  • Optical absorption coefficient of polycrystalline silicon with very high oxygen content
  • Investigations of polycrystalline silicon layers deposited by hot wire CVD
  • Crystalline silicon solar cells
  • Application of Rapid Joule Heating Method to Fabrication of Polycrystalline Silicon thin film transistors
  • China PV solar report
  • Polycrystalline Silicon Memory Effects
  • Predicting Fracture in Micron-Scale Polycrystalline Silicon MEMS Structures
  • Molecular Beam Deposition of Low-Resistance Polycrystalline InAs

Application & Study

  • Fatigue of polycrystalline silicon for
    microelectromechanical system applications
  • Polycrystalline silicon as waveguide material for advanced photonic applications
  • Polycrystalline Silicon Study
  • Diffusion studies in prospective polycrystalline silicon carbide target materials for Radioactive Ion Beam production at CERN-ISOLDE
  • Hot wire CVD of heterogeneous and Polycrystalline silicon semiconducting thin films for application in thin film transistors and solar cells

Technology

  • Polycrystalline Silicon Piezoresistive nano thin Film Technology
  • Large-Scale PV Module Manufacturing Using Ultra-thin Polycrystalline Silicon Solar Cells
  • Large-grain polycrystalline silicon films with low intragranular defect density by low-temperature solid-phase crystallization without underlying oxide
  • Production Technology for Passivation of Polycrystalline Silicon Solar Cells

Polycrystalline Silicon Suppliers

  • Manufacturers of Polycrystalline Silicon
  • Suppliers of Polycrystalline Silicon
  • Exporters of Polycrystalline Silicon
  • Polycrystalline Silicon Suppliers

Manufacturing process

  • Silicon Manufacturing Process
  • Polycrystalline silicon solar cell production process

Raw material & Equipment Suppliers

  • Silicon Seed
  • Trichlorosilane
  • High Pressure Reactor
  • Reactors suppliers
  • Reduction furnace
  • Polycrystalline Silicon Vent Gas Recovery

Company  & Consultancy

  • Company from Beijing, China
  • Company from China
  • Company from Fujian province, China
  • Company from Honk kong
  • Company from Japan
  • Another Company from Japan
  • Company from Michigan, USA
  • Company from Shanghai, China
  • Company from Shengmei, China
  • Company from USA
  • List of Manufacturing Companies
  • Consultancy from New York
  • Consultancy from China

Patents

  • Polycrystalline silicon contact structure
  • Polycrystalline silicon photovoltaic device
  • Polycrystalline silicon carbide fibers
  • Polycrystalline silicon pressure transducer
  • Polycrystalline silicon production
  • Forming patterned polycrystalline silicon
  • Evaluation method for polycrystalline silicon
  • Polycrystalline silicon thin film transistor
  • Isotropic polycrystalline silicon
  • Semiconductor device having polycrystalline silicon resistor
  • Polycrystalline silicon wafer tray
  • Controlled thermal-oxidation thinning of polycrystalline silicon

Market

  • Demand in Solar Industry Drives Expansion - Hemlock Semiconductor
  • Global Polycrystalline Silicon Market to Reach 444,532 Metric Tons by 2017
  • Mascotte acquires polycrystalline silicon maker - ElectroIQ
  • Polycrystalline Silicon Articles
  • Polycrystalline silicon industry targeting integration
  • Strategic Business Report on Global Market for Polycrystalline Silicon
  • Solarbuzz Technologies
  • Crystalline-Silicon Solar Cells
    for the 21st Century

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