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Nature 420, 752-755 (19 December 2002) | doi:10.1038/420752a
Open Innovation Challenges
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Protect Enzyme from In Planta Degradation
A proposal for stable expression of an enzyme in corn seed is desired.
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Fast Growth of Transformed Soybean Shoots
A method for accelerating growth of soybean shoots is desired.
- More Challenges
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Associate Professor / Professor ? NCRIS TERN Director
- University Of Queensland, Australia
- Brisbane, Queensland, Australia
Molecular & Human Genetics
- Indian Institute of Chemical Biology
- Kolkata India
Applied physics: A light-emitting sandwich filling
Tetsuo Tsutsui
Abstract
Electroluminescence has taken a new turn with the combination of organic light-emitting diodes and inorganic quantum dots. The efficiency of light emission is much higher in the latest easy-to-make device.
On page 800 of this issue, Seth Coe and colleagues1 report the fabrication of high-efficiency organic light-emitting diodes (LEDs) in which the light-emitting centres are cadmium–selenium (CdSe) nanocrystals, or quantum dots. Organic LEDs bring with them the advantages of robust fabrication technique and high performance, which, when coupled with the excellent luminescent properties of nanocrystals, offer exciting prospects for real, workable devices.
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