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Quantum dot developments

Liquid suspensions of semiconductor nanocrystals that can be printed or coated onto a substrate promise a new era of low-cost optoelectronics. The demonstration of infrared image sensors and displays based on this approach and fully integrated with silicon electronics suggests that the technology is maturing rapidly.

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Figure 3: Geometry of a colloidal quantum-dot photodiode array including its silicon readout backplane, as demonstrated by Rauch and colleagues4.


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Coe-Sullivan, S. Quantum dot developments. Nature Photon 3, 315–316 (2009).

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