On‐Chip Chemiresistive Sensor Array for On‐Road NO x Monitoring with Quantification

Abstract: The adverse effects of air pollution on respiratory health make air quality monitoring with high spatial and temporal resolutions essential especially in cities. Despite considerable interest and efforts, the application of various types of sensors is considered immature owing to insufficient sensitivity and cross‐interference under ambient conditions. Here, a fully integrated chemiresistive sensor array (CSA) with parts‐per‐trillion sensitivity is demonstrated with its application for on‐road NO x monitoring. An analytical model is suggested to describe the kinetics of the sensor responses and quantify molecular binding affinities. Finally, the full characterization of the system is connected to implement on‐road measurements on NO x vapor with quantification as its ultimate field application. The obtained results suggest that the CSA shows potential as an essential unit to realize an air‐quality monitoring network with high spatial and temporal resolutions.

Location
Deutsche Nationalbibliothek Frankfurt am Main
Extent
Online-Ressource
Language
Englisch

Bibliographic citation
On‐Chip Chemiresistive Sensor Array for On‐Road NO x Monitoring with Quantification ; volume:7 ; number:22 ; year:2020 ; extent:9
Advanced science ; 7, Heft 22 (2020) (gesamt 9)

Creator
Moon, Hi Gyu
Jung, Youngmo
Shin, Beomju
Song, Young Geun
Kim, Jae Hun
Lee, Taikjin
Lee, Seok
Jun, Seong Chan
Kaner, Richard B.
Kang, Chong‐Yun
Kim, Chulki

DOI
10.1002/advs.202002014
URN
urn:nbn:de:101:1-2022052707094894687584
Rights
Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
Last update
15.08.2025, 7:32 AM CEST

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Associated

  • Moon, Hi Gyu
  • Jung, Youngmo
  • Shin, Beomju
  • Song, Young Geun
  • Kim, Jae Hun
  • Lee, Taikjin
  • Lee, Seok
  • Jun, Seong Chan
  • Kaner, Richard B.
  • Kang, Chong‐Yun
  • Kim, Chulki

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