Mid-Wavelength Infrared Responsivity of Colloidal Quantum Dot/Organic Hybrid Photodetectors

Shihab Bin Hafiz; Mohammad Mostafa Al Mahfuz; Dong Kyun Ko

doi:10.1149/09701.0109ecst

Mid-Wavelength Infrared Responsivity of Colloidal Quantum Dot/Organic Hybrid Photodetectors

Shihab Bin Hafiz, Mohammad Mostafa Al Mahfuz, Dong Kyun Ko

Electrical and Computer Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

3 Scopus citations

Abstract

Colloidal quantum dot/organic hybrid materials approach offer a path toward engineering solution-processed photodetectors with extended spectral responsivity in the infrared. We demonstrate this approach in the technologically important thermal infrared region of mid-wavelength infrared, utilizing a solution blend of Ag₂Se colloidal quantum dots and [6,6]-phenyl-C₆₁-butyric acid methyl ester (PCBM). We report on the device fabrication and their optical, electrical, and optoelectronic properties. At room temperature, a responsivity of 0.2 mA/W was measured under 5 μm irradiation and 5 V bias. The new hybrid optoelectronic film demonstrated in this study brings the advantage of cost-effectiveness and greater fabrication versatility than the single crystal or epitaxial semiconductors that comprise today's infrared technologies.

Original language	English (US)
Title of host publication	237th ECS Meeting
Subtitle of host publication	Dielectrics for Nanosystems 8: Materials Science, Processing, Reliability, and Manufacturing
Editors	D. Misra, Z. Chen, D.-K. Ko, Y. Obeng, D. Bauza, T. Chikyow
Publisher	IOP Publishing Ltd.
Pages	109-115
Number of pages	7
Edition	1
ISBN (Electronic)	9781607688891
DOIs	https://doi.org/10.1149/09701.0109ecst
State	Published - Apr 1 2020
Event	237th ECS Meeting with the 18th International Meeting on Chemical Sensors, IMCS 2020 - Montreal, Canada Duration: May 10 2020 → May 14 2020

Publication series

Name	ECS Transactions
Number	1
Volume	97
ISSN (Print)	1938-6737
ISSN (Electronic)	1938-5862

Conference

Conference	237th ECS Meeting with the 18th International Meeting on Chemical Sensors, IMCS 2020
Country/Territory	Canada
City	Montreal
Period	5/10/20 → 5/14/20

All Science Journal Classification (ASJC) codes

General Engineering

Access to Document

10.1149/09701.0109ecst

Cite this

Hafiz, S. B., Al Mahfuz, M. M., & Ko, D. K. (2020). Mid-Wavelength Infrared Responsivity of Colloidal Quantum Dot/Organic Hybrid Photodetectors. In D. Misra, Z. Chen, D.-K. Ko, Y. Obeng, D. Bauza, & T. Chikyow (Eds.), 237th ECS Meeting: Dielectrics for Nanosystems 8: Materials Science, Processing, Reliability, and Manufacturing (1 ed., pp. 109-115). (ECS Transactions; Vol. 97, No. 1). IOP Publishing Ltd.. https://doi.org/10.1149/09701.0109ecst

Hafiz, Shihab Bin ; Al Mahfuz, Mohammad Mostafa ; Ko, Dong Kyun. / Mid-Wavelength Infrared Responsivity of Colloidal Quantum Dot/Organic Hybrid Photodetectors. 237th ECS Meeting: Dielectrics for Nanosystems 8: Materials Science, Processing, Reliability, and Manufacturing. editor / D. Misra ; Z. Chen ; D.-K. Ko ; Y. Obeng ; D. Bauza ; T. Chikyow. 1. ed. IOP Publishing Ltd., 2020. pp. 109-115 (ECS Transactions; 1).

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title = "Mid-Wavelength Infrared Responsivity of Colloidal Quantum Dot/Organic Hybrid Photodetectors",

abstract = "Colloidal quantum dot/organic hybrid materials approach offer a path toward engineering solution-processed photodetectors with extended spectral responsivity in the infrared. We demonstrate this approach in the technologically important thermal infrared region of mid-wavelength infrared, utilizing a solution blend of Ag2Se colloidal quantum dots and [6,6]-phenyl-C61-butyric acid methyl ester (PCBM). We report on the device fabrication and their optical, electrical, and optoelectronic properties. At room temperature, a responsivity of 0.2 mA/W was measured under 5 μm irradiation and 5 V bias. The new hybrid optoelectronic film demonstrated in this study brings the advantage of cost-effectiveness and greater fabrication versatility than the single crystal or epitaxial semiconductors that comprise today's infrared technologies.",

author = "Hafiz, {Shihab Bin} and {Al Mahfuz}, {Mohammad Mostafa} and Ko, {Dong Kyun}",

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Hafiz, SB, Al Mahfuz, MM & Ko, DK 2020, Mid-Wavelength Infrared Responsivity of Colloidal Quantum Dot/Organic Hybrid Photodetectors. in D Misra, Z Chen, D-K Ko, Y Obeng, D Bauza & T Chikyow (eds), 237th ECS Meeting: Dielectrics for Nanosystems 8: Materials Science, Processing, Reliability, and Manufacturing. 1 edn, ECS Transactions, no. 1, vol. 97, IOP Publishing Ltd., pp. 109-115, 237th ECS Meeting with the 18th International Meeting on Chemical Sensors, IMCS 2020, Montreal, Canada, 5/10/20. https://doi.org/10.1149/09701.0109ecst

Mid-Wavelength Infrared Responsivity of Colloidal Quantum Dot/Organic Hybrid Photodetectors. / Hafiz, Shihab Bin; Al Mahfuz, Mohammad Mostafa; Ko, Dong Kyun.
237th ECS Meeting: Dielectrics for Nanosystems 8: Materials Science, Processing, Reliability, and Manufacturing. ed. / D. Misra; Z. Chen; D.-K. Ko; Y. Obeng; D. Bauza; T. Chikyow. 1. ed. IOP Publishing Ltd., 2020. p. 109-115 (ECS Transactions; Vol. 97, No. 1).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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N2 - Colloidal quantum dot/organic hybrid materials approach offer a path toward engineering solution-processed photodetectors with extended spectral responsivity in the infrared. We demonstrate this approach in the technologically important thermal infrared region of mid-wavelength infrared, utilizing a solution blend of Ag2Se colloidal quantum dots and [6,6]-phenyl-C61-butyric acid methyl ester (PCBM). We report on the device fabrication and their optical, electrical, and optoelectronic properties. At room temperature, a responsivity of 0.2 mA/W was measured under 5 μm irradiation and 5 V bias. The new hybrid optoelectronic film demonstrated in this study brings the advantage of cost-effectiveness and greater fabrication versatility than the single crystal or epitaxial semiconductors that comprise today's infrared technologies.

AB - Colloidal quantum dot/organic hybrid materials approach offer a path toward engineering solution-processed photodetectors with extended spectral responsivity in the infrared. We demonstrate this approach in the technologically important thermal infrared region of mid-wavelength infrared, utilizing a solution blend of Ag2Se colloidal quantum dots and [6,6]-phenyl-C61-butyric acid methyl ester (PCBM). We report on the device fabrication and their optical, electrical, and optoelectronic properties. At room temperature, a responsivity of 0.2 mA/W was measured under 5 μm irradiation and 5 V bias. The new hybrid optoelectronic film demonstrated in this study brings the advantage of cost-effectiveness and greater fabrication versatility than the single crystal or epitaxial semiconductors that comprise today's infrared technologies.

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Hafiz SB, Al Mahfuz MM, Ko DK. Mid-Wavelength Infrared Responsivity of Colloidal Quantum Dot/Organic Hybrid Photodetectors. In Misra D, Chen Z, Ko DK, Obeng Y, Bauza D, Chikyow T, editors, 237th ECS Meeting: Dielectrics for Nanosystems 8: Materials Science, Processing, Reliability, and Manufacturing. 1 ed. IOP Publishing Ltd. 2020. p. 109-115. (ECS Transactions; 1). doi: 10.1149/09701.0109ecst

Mid-Wavelength Infrared Responsivity of Colloidal Quantum Dot/Organic Hybrid Photodetectors

Abstract

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