Lead Sulphide Colloidal Quantum Dots for Sensing Applications

A. De Iacovo, C. Venettacci, S. Bruno, L. Colace

Abstract

Colloidal Quantum Dots (CQD) have been widely studied for their peculiar optical characteristics such as enhanced optical absorption and tunable absorption spectrum. Many different photodetectors have been proposed but overall performance is still poor from the point of view of the bandwidth and noise performance. Here we propose the employment of a PbS QD photoconductor as an ultra-high sensitivity fire detector, exploiting the outstanding device responsivity at low optical powers. Moreover, we demonstrate the outstanding flexibility of CQD based devices, employing our detectors also as simple pollution gas sensors for NO2 detection.

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Paper Citation


in Harvard Style

De Iacovo A., Venettacci C., Bruno S. and Colace L. (2019). Lead Sulphide Colloidal Quantum Dots for Sensing Applications.In Proceedings of the 7th International Conference on Photonics, Optics and Laser Technology - Volume 1: PHOTOPTICS, ISBN 978-989-758-364-3, pages 235-240. DOI: 10.5220/0007444002350240


in Bibtex Style

@conference{photoptics19,
author={A. De Iacovo and C. Venettacci and S. Bruno and L. Colace},
title={Lead Sulphide Colloidal Quantum Dots for Sensing Applications},
booktitle={Proceedings of the 7th International Conference on Photonics, Optics and Laser Technology - Volume 1: PHOTOPTICS,},
year={2019},
pages={235-240},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0007444002350240},
isbn={978-989-758-364-3},
}


in EndNote Style

TY - CONF

JO - Proceedings of the 7th International Conference on Photonics, Optics and Laser Technology - Volume 1: PHOTOPTICS,
TI - Lead Sulphide Colloidal Quantum Dots for Sensing Applications
SN - 978-989-758-364-3
AU - De Iacovo A.
AU - Venettacci C.
AU - Bruno S.
AU - Colace L.
PY - 2019
SP - 235
EP - 240
DO - 10.5220/0007444002350240