Nano Science and Technology Institute

Success in Self-Assembly of Quantum Dots with World’s Highest Density

July 13, 2012 09:00 AM EST By: Jennifer Rocha

Will Further Accelerate Research toward Realization of High Performance Quantum Dot Devices

Story content courtesy of National Institute for Materials Science, JP

The NIMS Photonic Materials Unit is developing an advanced self-assembly technique for semiconductor quantum dots called droplet epitaxy, which is an original NIMS technology, and recently succeeded in the development of a new self-assembly technique for quantum dots with the world’s highest surface density, greatly exceeding the previously reported value. 

If the ultra-high density in-plane quantum dots developed in this research are stacked in close proximity, it will be possible to produce quantum dot materials with extremely high volumetric density, which cannot be realized with the conventional technology. Thus, it is expected to be possible to achieve higher performance in optical and electronic devices which use quantum dots as a result of this research achievement.

 

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