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Pregled bibliografske jedinice broj: 1228075

Sensing capabilities of ultra-thin BaTiO3 based on optical signals


Lukačević, Igor
Sensing capabilities of ultra-thin BaTiO3 based on optical signals // 2nd International Conference on Functional Material and Applied Physics (FMAP-2022) - Book of Abstracts / Sonvane, Yogesh (ur.).
Surat, 2022. str. 12-12 (plenarno, nije recenziran, sažetak, znanstveni)


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Naslov
Sensing capabilities of ultra-thin BaTiO3 based on optical signals

Autori
Lukačević, Igor

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

Izvornik
2nd International Conference on Functional Material and Applied Physics (FMAP-2022) - Book of Abstracts / Sonvane, Yogesh - Surat, 2022, 12-12

Skup
2nd International Conference on Functional Material and Applied Physics (FMAP 2022)

Mjesto i datum
Online, 14.10.2022. - 15.10.2022

Vrsta sudjelovanja
Plenarno

Vrsta recenzije
Nije recenziran

Ključne riječi
senzori ; perovskiti ; optička svojstva ; teorija funkcionala gustoće
(sensors ; perovskites ; optical properties ; density functional theory)

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 Matko Muzevic (autor)

Avatar Url Maja Varga Pajtler (autor)


Citiraj ovu publikaciju:

Lukačević, Igor
Sensing capabilities of ultra-thin BaTiO3 based on optical signals // 2nd International Conference on Functional Material and Applied Physics (FMAP-2022) - Book of Abstracts / Sonvane, Yogesh (ur.).
Surat, 2022. str. 12-12 (plenarno, nije recenziran, sažetak, znanstveni)
Lukačević, I. (2022) Sensing capabilities of ultra-thin BaTiO3 based on optical signals. U: Sonvane, Y. (ur.)2nd International Conference on Functional Material and Applied Physics (FMAP-2022) - Book of Abstracts.
@article{article, author = {Luka\v{c}evi\'{c}, Igor}, editor = {Sonvane, Y.}, year = {2022}, pages = {12-12}, keywords = {senzori, perovskiti, opti\v{c}ka svojstva, teorija funkcionala gusto\'{c}e}, title = {Sensing capabilities of ultra-thin BaTiO3 based on optical signals}, keyword = {senzori, perovskiti, opti\v{c}ka svojstva, teorija funkcionala gusto\'{c}e}, publisherplace = {online} }
@article{article, author = {Luka\v{c}evi\'{c}, Igor}, editor = {Sonvane, Y.}, year = {2022}, pages = {12-12}, keywords = {sensors, perovskites, optical properties, density functional theory}, title = {Sensing capabilities of ultra-thin BaTiO3 based on optical signals}, keyword = {sensors, perovskites, optical properties, density functional theory}, publisherplace = {online} }




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