Detail publikace

Partially Oxidized Ti3C2Tx MXenes for Fast and Selective Detection of Organic Vapors at Part-per-Million Concentrations

Pazniak, H. Plugin, IA. Loes, MJ. Inerbaev, TM. Burmistrov, IN. Gorshenkov, M. Polcak, J. Varezhnikov, AS. Sommer, M. Kuznetsov, DV. Bruns, M. Fedorov, FS. Vorobeva, NS. Sinitskii, A. Sysoev, VV.

Originální název

Partially Oxidized Ti3C2Tx MXenes for Fast and Selective Detection of Organic Vapors at Part-per-Million Concentrations

Typ

článek v časopise ve Web of Science, Jimp

Jazyk

angličtina

Originální abstrakt

MXenes, two-dimensional transition metal carbides or nitrides, have recently shown great promise for gas sensing applications. We demonstrate that the sensitivity of intrinsically metallic Ti3C2Tx MXene can be considerably improved via its partial oxidation in air at 350 degrees C. The annealed films of MXene sheets remain electrically conductive, while their decoration with semiconducting TiO2, considerably improves their chemiresistive response to organic analytes at low-ppm concentrations in dry air, which was used to emulate practical sensing environments. We demonstrate that partially oxidized MXene has a faster and a qualitatively different sensor response to volatile analytes compared to pristine Ti3C2Tx We fabricated multisensor arrays of partially oxidized Ti3C2Tx MXene devices and demonstrate that in addition to their high sensitivity they enable a selective recognition of analytes of nearly the same chemical nature, such as low molecular weight alcohols. We investigated the oxidation behavior of Ti3C2Tx in air in a wide temperature range and discuss the mechanism of sensor response of partially oxidized MXene films, which is qualitatively different from that of pristine Ti3C2Tx.

Klíčová slova

MXene; titanium carbide; gas sensor; multisensor array; chemiresistive response; titanium dioxide; work function

Autoři

Pazniak, H.; Plugin, IA.; Loes, MJ.; Inerbaev, TM.; Burmistrov, IN.; Gorshenkov, M.; Polcak, J.; Varezhnikov, AS.; Sommer, M.; Kuznetsov, DV.; Bruns, M.; Fedorov, FS.; Vorobeva, NS.; Sinitskii, A.; Sysoev, VV.

Vydáno

20. 3. 2020

Nakladatel

AMER CHEMICAL SOC

Místo

WASHINGTON

ISSN

2574-0970

Periodikum

ACS Applied Nano Materials

Ročník

3

Číslo

4

Stát

Spojené státy americké

Strany od

3195

Strany do

3204

Strany počet

10

URL

https://pubs.acs.org/doi/full/10.1021/acsanm.9b02223

BibTex

@article{BUT167373,
  author="Pazniak, H. and Plugin, IA. and Loes, MJ. and Inerbaev, TM. and Burmistrov, IN. and Gorshenkov, M. and Polcak, J. and Varezhnikov, AS. and Sommer, M. and Kuznetsov, DV. and Bruns, M. and Fedorov, FS. and Vorobeva, NS. and Sinitskii, A. and Sysoev, VV.",
  title="Partially Oxidized Ti3C2Tx MXenes for Fast and Selective Detection of Organic Vapors at Part-per-Million Concentrations",
  journal="ACS Applied Nano Materials",
  year="2020",
  volume="3",
  number="4",
  pages="3195--3204",
  doi="10.1021/acsanm.9b02223",
  issn="2574-0970",
  url="https://pubs.acs.org/doi/full/10.1021/acsanm.9b02223"
}