Technology Offers Details

Semiconductor Finger Technology

Solar cell manufacturer, Suntech Power has attempted the commercial adoption of its latest 18% ''semiconductor finger'' conversion efficiency technology.

The company's semiconductor finger technology, which is co-developed and owned together with the University of New South Wales in Australia, overcomes the major limitation of the traditional screen printing process that is the industry standard. Heavily doped semiconductor strips are built into the PV cell surface which more efficiently collects the generated electrical charge without requiring the surface dead layer found in conventional screen printed cells. This technology also potentially enables the company to reduce the number of traditional lines of metal contact strips on the top surface of the PV cell thereby reducing shading from the sun to enable the PV cell to generate even greater watts of electricity.

This semiconductor finger technology has increased the average conversion efficiencies of the best monocrystalline PV cells to 18% -- well above the industry average of 14% to 15%. At the same time, this process is made successful with lowest production cost possible.

For more information, contact:

Suntech Power
17-6 Changjiang South Road,
New District, Wuxi
Jiangsu Province 214028,
People's Republic of China
Tel: +86 (510) 853 18888
Fax: +86 (510) 853 43321

Sector: Renewable Energy Technologies
Country: India
Area of Application: Photovoltaics, Renewable Energy
Keywords: Solar cells, PV cells, Semid conductor finger
Advantages: 1. Enhanced efficiency

2. Low production cost
Environmental aspects: Energy efficiency
Development Status: Commercial Prototype
Legal Protection:
Technical specifications:
Transfer Terms:
  • Consultancy
  • Technical services
Target Countries:
Estimated cost (US$):
Your Contact Details:
Contact Person: APCTT (UNESCAP)
Asian and Pacific Center for Transfer of Technology (APCTT)
C-2, Qutab Instituational Area
City: New Delhi
Country: India
Zip/Pin Code: 110016

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