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Pregled bibliografske jedinice broj: 1251259

Sensing capabilities of ultrathin BaTiO3 nanostructures toward carbon oxides based on optical signals


Lukačević, Igor
Sensing capabilities of ultrathin BaTiO3 nanostructures toward carbon oxides based on optical signals // Booklet of posters with abstracts / Seriani, Nicola (ur.).
Trst: ICTP, 2023. str. 66-66 (poster, međunarodna recenzija, sažetak, znanstveni)


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Naslov
Sensing capabilities of ultrathin BaTiO3 nanostructures toward carbon oxides based on optical signals

Autori
Lukačević, Igor

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
Booklet of posters with abstracts / Seriani, Nicola - Trst : ICTP, 2023, 66-66

Skup
21th International Workshop on Computational Physics and Materials Science: Total Energy and Force Methods

Mjesto i datum
Trst, Italija, 11.01.2023. - 13.01.2023

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
carbon oxide gases ; gas sensors ; BaTiO3 nanostructures ; density functional theory ; optical signals

Sažetak
Due to the large presence of carbon oxide gases in both our environment and industry, there is an ongoing search for simple and efficient gas sensors. As a response to the current challenges toward lower limits of detection, in this work we propose a detection of optical signals from ultrathin BaTiO3 nanostructures as the basis for carbon oxides sensing. Based on density functional theory, we simulate the sensitivity of electrical and optical properties of the ultrathin BaTiO3 nanostructure with respect to different adsorption sites on the (001)-BaTiO3 surface. Significant changes in the optical activity, including absorption, reflection and EELS spectra, are detected. Supercell model study showed that optical signals follow a monotonous trend with respect to the molecule concentration. The changes are explained via charge transfer between the (001)-BaTiO3 surface and the adsorbed gas molecules. An insight into the physical and chemical nature of the processes at the nano-scale improves our understanding of the sensing mechanism. At the same time, the obtained results might pave a way to new easy-to-use but robust sensor designs.

Izvorni jezik
Engleski

Znanstvena područja
Fizika, Kemija



POVEZANOST RADA


Projekti:
HRZZ-IP-2018-01-5246 - Nanokompoziti s perovskitima za fotovoltaike, fotokatalizu i senzoriku (NanoPeroPhotoSens) (Gajović, Andreja, HRZZ - 2018-01) ( CroRIS)
HRZZ-DOK-2021-02-2147 - Nanokompoziti s perovskitima za fotovoltaike, fotokatalizu i senzoriku (NanoPeroPhotoSens) (Lukačević, Igor, HRZZ ) ( CroRIS)
-- - Niskodimenzionalni nanomaterijali - svojstva i primjene (Lukačević, Igor) ( CroRIS)

Ustanove:
Sveučilište u Osijeku - Odjel za fiziku

Profili:

Avatar Url Igor Lukacevic (autor)

Avatar Url Maja Varga Pajtler (autor)

Avatar Url Matko Muzevic (autor)

Avatar Url Ivan Kovač (autor)

Poveznice na cjeloviti tekst rada:

Pristup cjelovitom tekstu rada indico.ictp.it

Citiraj ovu publikaciju:

Lukačević, Igor
Sensing capabilities of ultrathin BaTiO3 nanostructures toward carbon oxides based on optical signals // Booklet of posters with abstracts / Seriani, Nicola (ur.).
Trst: ICTP, 2023. str. 66-66 (poster, međunarodna recenzija, sažetak, znanstveni)
Lukačević, I. (2023) Sensing capabilities of ultrathin BaTiO3 nanostructures toward carbon oxides based on optical signals. U: Seriani, N. (ur.)Booklet of posters with abstracts.
@article{article, author = {Luka\v{c}evi\'{c}, Igor}, editor = {Seriani, N.}, year = {2023}, pages = {66-66}, keywords = {carbon oxide gases, gas sensors, BaTiO3 nanostructures, density functional theory, optical signals}, title = {Sensing capabilities of ultrathin BaTiO3 nanostructures toward carbon oxides based on optical signals}, keyword = {carbon oxide gases, gas sensors, BaTiO3 nanostructures, density functional theory, optical signals}, publisher = {ICTP}, publisherplace = {Trst, Italija} }
@article{article, author = {Luka\v{c}evi\'{c}, Igor}, editor = {Seriani, N.}, year = {2023}, pages = {66-66}, keywords = {carbon oxide gases, gas sensors, BaTiO3 nanostructures, density functional theory, optical signals}, title = {Sensing capabilities of ultrathin BaTiO3 nanostructures toward carbon oxides based on optical signals}, keyword = {carbon oxide gases, gas sensors, BaTiO3 nanostructures, density functional theory, optical signals}, publisher = {ICTP}, publisherplace = {Trst, Italija} }




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