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COQUADOT

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Colloidal quantum dot infrared photodetectors

Numerous applications extending from military (night vision, surveillance, airborne tracking) to civilian (pharmaceutical and food industry spectroscopy, environmental monitoring, machine and automotive vision, biomedical imaging)... ver más

31/03/2014

FUNDACIO INSTITUT...

100K€

Presupuesto del proyecto: 100K€

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FUNDACIO INSTITUT DE CIENCIES FOTONIQUES Otra investigación y desarrollo experimental en ciencias naturales y técnicas asociacion

TRL 4-5 | 50K€

Fecha límite participación Sin fecha límite de participación.

Financiación concedida El organismo FP7 notifico la concesión del proyecto el día 2014-03-31 No tenemos la información de la convocatoria

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Líder del proyecto

FUNDACIO INSTITUT DE CIENCIES FOTONIQUES Otra investigación y desarrollo experimental en ciencias naturales y técnicas asociacion

TRL 4-5 | 50K€

Presupuesto del proyecto 100K€

Fecha límite de participación Sin fecha límite de participación.

Descripción del proyecto Numerous applications extending from military (night vision, surveillance, airborne tracking) to civilian (pharmaceutical and food industry spectroscopy, environmental monitoring, machine and automotive vision, biomedical imaging) are based on infrared photodectors and imaging arrays that detect photons in the Mid Infrared (MWIR) 3 – 5 um and Long wavelength Infrared (LWIR) from 8 - 12 um. Although CdHgTe semiconductor compound offered efficient coverage of the infrared spectrum by varying the stoichiometry the exploitation of this material towards the fabrication of imaging sensors was proved very challenging due to the costly complex growth processes as well as due to inherent spatial non-uniformity issues. Dramatic progress has been made recently in the field of epitaxially grown quantum dots that offer significant advantages of controlled growth as well as normal incidence sensitivity and dramatically lower dark current densities. The main disadvantage of this new approach however lies on the high cost and complexity method of molecular beam epitaxy required to grow the quantum dots as well as the incompatibility with monolithic integration to silicon (CMOS) read-out circuitry. The advent of colloidal quantum dots has been established during the last decade, where the quantum dots can be synthesized in solution phase. Following the bottom-up approach, fabrication of thin films can then take place using room-temperature, low-cost, well-established techniques such as spraycasting and spincoating enabling large-scale manufacturing directly integrated onto CMOS platforms. In this proposal we combine the unique physical properties of quantum dots with the most desired chemical and processing properties of solution-processed materials to develop initially an infrared photodetector and subsequently an infrared imaging array system with high sensitivity and cost that is estimated to be two orders of magnitude lower than current approaches.

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