Aug 24 2007
Research presented at the International Conference on Materials for Advanced Technologies (ICMAT 2007), Singapore by Ms Li Wei Tan, Dr Ross Hatton, Dr Anthony Miller and Professor Ravi Silva of the Advanced Technology Institute (ATI) at the University of Surrey has been awarded with the prestigious Best Poster Award in symposium R.
Symposium R, which was dedicated to Polymer and Molecular Electronics: Chemistry, Physics & Materials Science had over 90 poster presentations from around the world. The judges decided on the ATI poster entitled “Enhanced Performance of Organic Light-Emitting Diodes using Single-Wall and Multi-Wall Carbon Nanotube-Molecular semiconductor Hole-Injection Layer” as the winner.
Organic Light-Emitting Diodes is one of the fastest growing areas of research at present and holds great promise in producing devices that are energy efficient. The prospect of reducing the carbon footprint in lighting is driving many research scientists into examining ways of overcoming some of the limitations of purely organic devices by the incorporation of inorganic materials such as carbon nanotubes (CNT) in the hybrid structures.
With the ever increasing quest for better performance in terms of energy efficiency, there is much to be done in improving the luminance and lifetime in current OLED materials. By using in-house processes to specially prepared CNTs to act as hole injectors, the University of Surrey team has been successful in lowering the working voltage and also the operating power without any sacrifice in luminance output in these hybrid devices.
Professor Ravi Silva, Director of the ATI said:
“Support from both the Carbon Trust and EPSRC has been instrumental in conducting this applied research which could add a new dimension to the quest for high efficiency, inexpensive LED devices. We are very proud of the achievements of all the young scientists involved in this award winning research”.