Detail publikačního výsledku

Cerium Oxide-Tungsten Oxide Core-Shell Nanowire-Based Microsensors Sensitive to Acetone

TOMIC, M.; ŠETKA, M.; CHMELA, O.; GRACIA, I.; FIGUERAS, E.; CANÉ, C.; VALLEJOS VARGAS, S.

Originální název

Cerium Oxide-Tungsten Oxide Core-Shell Nanowire-Based Microsensors Sensitive to Acetone

Anglický název

Cerium Oxide-Tungsten Oxide Core-Shell Nanowire-Based Microsensors Sensitive to Acetone

Druh

Článek WoS

Originální abstrakt

Gas sensitive cerium oxide-tungsten oxide core-shell nanowires are synthesized and integrated directly into micromachined platforms via aerosol assisted chemical vapor deposition. Tests to various volatile organic compounds (acetone, ethanol, and toluene) involved in early disease diagnosis demonstrate enhanced sensitivity to acetone for the core-shell structures in contrast to the non-modified materials (i.e., only tungsten oxide or cerium oxide). This is attributed to the high density of oxygen vacancy defects at the shell, as well as the formation of heterojunctions at the core-shell interface, which provide the modified nanowires with ‘extra’ chemical and electronic sensitization as compared to the non-modified materials.

Anglický abstrakt

Gas sensitive cerium oxide-tungsten oxide core-shell nanowires are synthesized and integrated directly into micromachined platforms via aerosol assisted chemical vapor deposition. Tests to various volatile organic compounds (acetone, ethanol, and toluene) involved in early disease diagnosis demonstrate enhanced sensitivity to acetone for the core-shell structures in contrast to the non-modified materials (i.e., only tungsten oxide or cerium oxide). This is attributed to the high density of oxygen vacancy defects at the shell, as well as the formation of heterojunctions at the core-shell interface, which provide the modified nanowires with ‘extra’ chemical and electronic sensitization as compared to the non-modified materials.

Klíčová slova

gas sensors; volatile organic compounds (VOCs); acetone; metal oxides; heterojunctions

Klíčová slova v angličtině

gas sensors; volatile organic compounds (VOCs); acetone; metal oxides; heterojunctions

Autoři

TOMIC, M.; ŠETKA, M.; CHMELA, O.; GRACIA, I.; FIGUERAS, E.; CANÉ, C.; VALLEJOS VARGAS, S.

Rok RIV

2019

Vydáno

23.11.2018

Nakladatel

MDPI AG

ISSN

2079-6374

Periodikum

Biosensors-Basel

Svazek

8

Číslo

4

Stát

Švýcarská konfederace

Strany od

1

Strany do

12

Strany počet

12

URL

http://www.mdpi.com/2079-6374/8/4/116

BibTex

@article{BUT151383,
  author="TOMIC, M. and ŠETKA, M. and CHMELA, O. and GRACIA, I. and FIGUERAS, E. and CANÉ, C. and VALLEJOS VARGAS, S.",
  title="Cerium Oxide-Tungsten Oxide Core-Shell Nanowire-Based Microsensors Sensitive to Acetone",
  journal="Biosensors-Basel",
  year="2018",
  volume="8",
  number="4",
  pages="1--12",
  doi="10.3390/bios8040116",
  url="http://www.mdpi.com/2079-6374/8/4/116"
}

Dokumenty

biosensors-08-00116-v2