A Solar Cell with Improved Light Absorption Capacity

Patent Status: 

Patent Filed

Indian Patent Applicaton No: 

933/DEL/2006

Patent Category: 

Overview: 

An organic solar cell where the excitons are created in an organic semiconductor, but an electrostatically doped carbon nanotube film transports the charge carriers orthogonal to the

Key Features: 

  • The exciton is created in the organic layer in the organic solar cells.
  • The charge transport can take place in the carbon nanotube film.
  • Built-in field created by 'electrostatic doping’ of carbon nanotubes.

Applications: 

  • A photovoltaic cell and a photo-detector.
  • Organic semiconductor films exhibiting high absorption in solar spectrum but with poor electrical conductivity may be used to build solar cells with this device architecture.
  • Improved charge transport by the CNT film inorganic solar cells can be achieved.

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