Resistive-Based Gas Sensors Using Quantum Dots: A Review

Ali Mirzaei, Zoheir Kordrostami, Mehrdad Shahbaz, Jin Young Kim, Hyoun Woo Kim, Sang Sub Kim

Research output: Contribution to journalReview articlepeer-review

36 Scopus citations

Abstract

Quantum dots (QDs) are used progressively in sensing areas because of their special electrical properties due to their extremely small size. This paper discusses the gas sensing features of QD-based resistive sensors. Different types of pristine, doped, composite, and noble metal decorated QDs are discussed. In particular, the review focus primarily on the sensing mechanisms suggested for these gas sensors. QDs show a high sensing performance at generally low temperatures owing to their extremely small sizes, making them promising materials for the realization of reliable and high-output gas-sensing devices.

Original languageEnglish
Article number4369
JournalSensors
Volume22
Issue number12
DOIs
StatePublished - 1 Jun 2022

Bibliographical note

Publisher Copyright:
© 2022 by the authors. Licensee MDPI, Basel, Switzerland.

Keywords

  • Quantum dots (QDs)
  • gas sensor
  • sensing mechanism
  • toxic gas

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