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S6: LEDs and Photovoltaics — Beyond the Light: Common Challenges and Opportunities


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In today’s green economy, photovoltaics (PV) and light emitting diodes (LEDs) are central technologies with the potential to dramatically economize the rapidly growing global energy landscape. These complementary technologies approach electronic materials from opposite directions: PVs generate renewable energy by efficiently capturing light, while LEDs generate light by efficiently consuming electricity. Both technologies have similar challenges to overcome before widespread utilization can be realized. Surprisingly, though, there has been little dialog between the two technical fields. This symposium draws these two technical disciplines together in an effort to attack similar problems from alternative points of view. Arguably, the greatest challenge to each system is cost, which is linked to their technical design, ranging from semiconductor efficiency to device reliability. Many of these issues could be overcome in both disciplines, for example, with the development of highly efficient semiconductors (>60%), high light extraction/absorption of the substrate/chip/optical systems, better optical coupling, and high-speed, low-cost manufacturing. Issues of reliability could be addressed through the development of environmentally stable materials and encapsulants, better thermal management, and reliable thermal and electrical interconnects. This symposium presents an opportunity for the presentation and discussion of the common problems and creative solutions key to advancing next generation technologies.


Proposed Session Topics

  • Advances in active layer materials (Si, GaN, CdTe, CIGS, etc.)
  • Transparent conductive electrodes and charge transport interfaces.
  • Thermal management (sub-strates, die-attach, TIMs, cooling, etc.)
  • Environmental stability & lifetime; encapsulation and packaging
  • Optical coupling: novel light extraction and absorption, high index materials
  • Low cost, high speed manufacturing
  • Advanced optoelectronic characterization
  • Computational design

Session Organizers

  • Adam M. Scotch, OSRAM SYLVANIA, USA
  • Erik D. Spoerke, Sandia National Laboratories, USA

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