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

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

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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 languageEnglish (US)
Title of host publication237th ECS Meeting
Subtitle of host publicationDielectrics for Nanosystems 8: Materials Science, Processing, Reliability, and Manufacturing
EditorsD. Misra, Z. Chen, D.-K. Ko, Y. Obeng, D. Bauza, T. Chikyow
PublisherInstitute of Physics Publishing
Pages109-115
Number of pages7
Edition1
ISBN (Electronic)9781607685395
DOIs
StatePublished - Apr 1 2020
Event237th ECS Meeting with the 18th International Meeting on Chemical Sensors, IMCS 2020 - Montreal, Canada
Duration: May 10 2020May 14 2020

Publication series

NameECS Transactions
Number1
Volume97
ISSN (Print)1938-6737
ISSN (Electronic)1938-5862

Conference

Conference237th ECS Meeting with the 18th International Meeting on Chemical Sensors, IMCS 2020
CountryCanada
CityMontreal
Period5/10/205/14/20

All Science Journal Classification (ASJC) codes

  • Engineering(all)

Fingerprint Dive into the research topics of 'Mid-Wavelength Infrared Responsivity of Colloidal Quantum Dot/Organic Hybrid Photodetectors'. Together they form a unique fingerprint.

Cite this