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Proceedings Paper

MWIR imaging with low cost colloidal quantum dot films
Author(s): Christopher Buurma; Richard E. Pimpinella; Anthony J. Ciani; Jered S. Feldman; Christoph H. Grein; Philippe Guyot-Sionnest
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Paper Abstract

Suspensions of HgTe colloidal quantum dots (CQD) are readily synthesized with infrared energy gaps between 3 and 12 microns. Infrared photodetection using dried films of these CQDs has been demonstrated up to a cutoff wavelength of 12 microns. The synthesis of CQDs and the fabrication of detector devices employ bench-top chemistry techniques, leading to the potential for the easy manufacture of infrared photon detecting imagers at low cost. Recent electrical and optical measurements of these CQD films are discussed. Recent successful prototypes of complete focal plane arrays from CQD films and commercially-available ROICs are also described.

Paper Details

Date Published: 26 September 2016
PDF: 7 pages
Proc. SPIE 9933, Optical Sensing, Imaging, and Photon Counting: Nanostructured Devices and Applications 2016, 993303 (26 September 2016); doi: 10.1117/12.2239986
Show Author Affiliations
Christopher Buurma, Sivananthan Labs. (United States)
Richard E. Pimpinella, Sivananthan Labs. (United States)
Anthony J. Ciani, Sivananthan Labs. (United States)
Jered S. Feldman, Sivananthan Labs. (United States)
Christoph H. Grein, Sivananthan Labs. (United States)
Philippe Guyot-Sionnest, The Univ. of Chicago (United States)

Published in SPIE Proceedings Vol. 9933:
Optical Sensing, Imaging, and Photon Counting: Nanostructured Devices and Applications 2016
Manijeh Razeghi; Dorota S. Temple; Gail J. Brown, Editor(s)

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