Open Access
e-Journal of Surface Science and Nanotechnology, volume 17, pages 95-100
Uncooled Mid-wave Infrared Focal Plane Array Using Band Gap Engineered Mercury Cadmium Telluride Quantum Dot Coated Silicon ROIC
Publication type: Journal Article
Publication date: 2019-08-07
Quartile SCImago
Q4
Quartile WOS
—
Impact factor: 0.6
ISSN: 13480391, 13480391
Abstract
The dominant photon detectors and focal plane arrays (FPAs) in the mid-wave infrared (MWIR) range (λ = 3 μm to 5 μm) use single crystal InSb and HgCdTe materials. The cost of these detectors is high, and cooling at approximately 80 K to 120 K is required to reduce the dark current. Colloidal quantum dots (CQDs) can be used to provide the speed and detectivity (D*) of the quantum detectors with lower fabrication costs than those of single crystal epitaxial materials. The aim of this study is to develop a MWIR area array sensor with an HgCdTe-ternary alloyed semiconductor CQD using a commercially available silicon readout integrated circuit (ROIC). First, we synthesized a solution processed HgCdTe CQD responsive in the MWIR range at room temperature and developed a Schottkey junction photodiode array of 10 × 10 pixels based on the same quantum dots (QDs) to produce a HgCdTe-Si interface suitable for a MWIR photodiode at room temperature. After ensuring its functionality, we developed a 320 × 256-pixel focal plane array (FPA) responsive in the MWIR region by hybridization of the HgCdTe CQD layer over a silicon ROIC die with a direct injection input circuit. The FPA was operated using an indigenously developed Field Programmable Gate Array (FPGA)-based drive unit, and different IR targets were imaged to evaluate its use as a low-cost MWIR FPA. NEΔT value of 4 K achieved at room temperature.
Top-30
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2 publications, 16.67%
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Electronics (Switzerland)
1 publication, 8.33%
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Applied Surface Science Advances
1 publication, 8.33%
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ACS Photonics
1 publication, 8.33%
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1 publication, 8.33%
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1 publication, 8.33%
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1 publication, 8.33%
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ACS Applied Nano Materials
1 publication, 8.33%
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Journal of Materials Chemistry C
1 publication, 8.33%
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Russian Chemical Reviews
1 publication, 8.33%
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Citations by publishers
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American Chemical Society (ACS)
7 publications, 58.33%
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Multidisciplinary Digital Publishing Institute (MDPI)
1 publication, 8.33%
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Elsevier
1 publication, 8.33%
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Royal Society of Chemistry (RSC)
1 publication, 8.33%
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Autonomous Non-profit Organization Editorial Board of the journal Uspekhi Khimii
1 publication, 8.33%
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- We do not take into account publications without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Chatterjee A. et al. Uncooled Mid-wave Infrared Focal Plane Array Using Band Gap Engineered Mercury Cadmium Telluride Quantum Dot Coated Silicon ROIC // e-Journal of Surface Science and Nanotechnology. 2019. Vol. 17. pp. 95-100.
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Chatterjee A., Pendyala N. B., Jagtap A., Rao K. S. R. K. Uncooled Mid-wave Infrared Focal Plane Array Using Band Gap Engineered Mercury Cadmium Telluride Quantum Dot Coated Silicon ROIC // e-Journal of Surface Science and Nanotechnology. 2019. Vol. 17. pp. 95-100.
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TY - JOUR
DO - 10.1380/ejssnt.2019.95
UR - https://doi.org/10.1380/ejssnt.2019.95
TI - Uncooled Mid-wave Infrared Focal Plane Array Using Band Gap Engineered Mercury Cadmium Telluride Quantum Dot Coated Silicon ROIC
T2 - e-Journal of Surface Science and Nanotechnology
AU - Chatterjee, Abhijit
AU - Pendyala, Naresh Babu
AU - Jagtap, Amardeep
AU - Rao, K. S. R. Koteswara
PY - 2019
DA - 2019/08/07 00:00:00
PB - The Japan Society of Vacuum and Surface Science
SP - 95-100
VL - 17
SN - 1348-0391
SN - 1348-0391
ER -
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@article{2019_Chatterjee,
author = {Abhijit Chatterjee and Naresh Babu Pendyala and Amardeep Jagtap and K. S. R. Koteswara Rao},
title = {Uncooled Mid-wave Infrared Focal Plane Array Using Band Gap Engineered Mercury Cadmium Telluride Quantum Dot Coated Silicon ROIC},
journal = {e-Journal of Surface Science and Nanotechnology},
year = {2019},
volume = {17},
publisher = {The Japan Society of Vacuum and Surface Science},
month = {aug},
url = {https://doi.org/10.1380/ejssnt.2019.95},
pages = {95--100},
doi = {10.1380/ejssnt.2019.95}
}