ACS Photonics, volume 5, issue 8, pages 3009-3015

300 nm Spectral Resolution in the Mid-Infrared with Robust, High Responsivity Flexible Colloidal Quantum Dot Devices at Room Temperature

Matthew E Cryer ¹

Jonathan E. Halpert ¹

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MacDiarmid Institute for Advanced Materials and Nanotechnology, School of Chemical and Physical Sciences, Victoria University of Wellington, P.O. Box 600, Wellington, New Zealand

Victoria University of Wellington

MacDiarmid Institute for Advanced Materials and Nanotechnology

Publication type: Journal Article

Publication date: 2018-07-18

American Chemical Society (ACS)

Journal: ACS Photonics

SJR: 2.089

CiteScore: 11.9

Impact factor: 6.5

ISSN: 23304022

DOI: 10.1021/acsphotonics.8b00738

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Electronic, Optical and Magnetic Materials

Biotechnology

Atomic and Molecular Physics, and Optics

Electrical and Electronic Engineering

Abstract

HgTe colloidal nanocrystals (NCs) are used as the sensitizing layer with a scalable, all air-processed patterning method to produce flexible room temperature multicolor detectors operating in the mid-infrared (MIR) spectral region. These devices demonstrate a “color” sensitivity down to 300 nm in the MIR (∼10% of scale), with superior responsivities for this class of device, up to 0.9 A/W, and competitive specific detectivity up to 8 × 109 Jones at 200 Hz and 300 K. Furthermore, these devices utilize a cheap and robust substrate material that allows operation after deformation up to 45° without degradation over many cycles. As such, this offers a template for ultra low-cost MIR detectors with a performance that rivals microbolometers, but with better measurement speed and spectral sensitivity. As such, these devices showcase the advantages of using colloidal NCs in MIR applications.

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Cryer M. E., Halpert J. E. 300 nm Spectral Resolution in the Mid-Infrared with Robust, High Responsivity Flexible Colloidal Quantum Dot Devices at Room Temperature // ACS Photonics. 2018. Vol. 5. No. 8. pp. 3009-3015.

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RIS Copy

TY - JOUR

DO - 10.1021/acsphotonics.8b00738

UR - https://doi.org/10.1021/acsphotonics.8b00738

TI - 300 nm Spectral Resolution in the Mid-Infrared with Robust, High Responsivity Flexible Colloidal Quantum Dot Devices at Room Temperature

T2 - ACS Photonics

AU - Cryer, Matthew E

AU - Halpert, Jonathan E.

PY - 2018

DA - 2018/07/18

PB - American Chemical Society (ACS)

SP - 3009-3015

IS - 8

VL - 5

SN - 2330-4022

ER -

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@article{2018_Cryer,

author = {Matthew E Cryer and Jonathan E. Halpert},

title = {300 nm Spectral Resolution in the Mid-Infrared with Robust, High Responsivity Flexible Colloidal Quantum Dot Devices at Room Temperature},

journal = {ACS Photonics},

year = {2018},

volume = {5},

publisher = {American Chemical Society (ACS)},

month = {jul},

url = {https://doi.org/10.1021/acsphotonics.8b00738},

number = {8},

pages = {3009--3015},

doi = {10.1021/acsphotonics.8b00738}

}

MLA

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MLA Copy

Cryer, Matthew E., and Jonathan E. Halpert. “300 nm Spectral Resolution in the Mid-Infrared with Robust, High Responsivity Flexible Colloidal Quantum Dot Devices at Room Temperature.” ACS Photonics, vol. 5, no. 8, Jul. 2018, pp. 3009-3015. https://doi.org/10.1021/acsphotonics.8b00738.

Found error?

Publisher

American Chemical Society (ACS)

Journal

ACS Photonics

SJR

2.089

CiteScore

11.9

Impact factor

6.5

ISSN

23304022 (Print, Electronic)