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Solvothermal synthesis of NaGdYF4:Yb,Er UCNPs with different structual, morphological and optical properties

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2021
Dinic_CYSC-2020.pdf (295.0Kb)
Authors
Dinić, Ivana
Vuković, Marina
Nikolić, Marko G.
Mančić, Lidija
Conference object (Published version)
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Abstract
Up-Converting NanoParticles (UCNPs) with biocompatible surface and unique optical properties, low phonon energy (350 cm-1) and high chemical stability attract a great interest as potential biomarkers or drug delivery systems. The hydro/solvo thermal method, as one of the most economical method which do not include the use of toxic precursors, was applied here for the synthesis of NaY0.65Gd0.15F4:Yb,Er nanoparticles at 200oC. Chitosan is used as surfactant and structural directing agent. In addition, different processing parameters (precursor concentration, solvent type, and synthesis time) were applied to investigate their influence on the structural, morphological, and optical properties of UCNP. The XRD analysis showed that with a smaller surplus of fluoride ions the formation of Y0.65Gd0.15F4:Yb,Er orthorhombic phase occurs, while the increase of fluoride content or reaction time leads to NaY0.65Gd0.15F4:Yb,Er cubic phase formation. Along with it, the changes of UCNPs morphology fro...m spindle to spherical shape is detected. All samples emit intense green emission due to the (2H11/2, 4S3/2) → 4I15/2 electronic transitions, after been excited with infrared light (λ=978 nm).

Keywords:
up-converting nanoparticles / solvothermal synthesis / morphology / optical properties / chitosan
Source:
Programme and book of abstracts / 14th ECerS Conference for Young Scientists in Ceramics (CYSC-2021), October 20-23, 2021, Novi Sad, 2021, 121-121
Publisher:
  • Novi Sad : Faculty of Technology
Funding / projects:
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200175 (Institute of Technical Sciences of SASA, Belgrade) (RS-200175)

ISBN: 978-86-6253-136-0

[ Google Scholar ]
Handle
https://hdl.handle.net/21.15107/rcub_dais_12396
URI
https://dais.sanu.ac.rs/123456789/12396
Collections
  • ИТН САНУ - Општа колекција / ITS SASA - General collection
Institution/Community
Институт техничких наука САНУ / Institute of Technical Sciences of SASA
TY  - CONF
AU  - Dinić, Ivana
AU  - Vuković, Marina
AU  - Nikolić, Marko G.
AU  - Mančić, Lidija
PY  - 2021
UR  - https://dais.sanu.ac.rs/123456789/12396
AB  - Up-Converting NanoParticles (UCNPs) with biocompatible surface and unique optical properties, low phonon energy (350 cm-1) and high chemical stability attract a great interest as potential biomarkers or drug delivery systems. The hydro/solvo thermal method, as one of the most economical method which do not include the use of toxic precursors, was applied here for the synthesis of NaY0.65Gd0.15F4:Yb,Er nanoparticles at 200oC. Chitosan is used as surfactant and structural directing agent. In addition, different processing parameters (precursor concentration, solvent type, and synthesis time) were applied to investigate their influence on the structural, morphological, and optical properties of UCNP. The XRD analysis showed that with a smaller surplus of fluoride ions the formation of Y0.65Gd0.15F4:Yb,Er orthorhombic phase occurs, while the increase of fluoride content or reaction time leads to NaY0.65Gd0.15F4:Yb,Er cubic phase formation. Along with it, the changes of UCNPs morphology from spindle to spherical shape is detected. All samples emit intense green emission due to the (2H11/2, 4S3/2) → 4I15/2 electronic transitions, after been excited with infrared light (λ=978 nm).
PB  - Novi Sad : Faculty of Technology
C3  - Programme and book of abstracts / 14th ECerS Conference for Young Scientists in Ceramics (CYSC-2021), October 20-23, 2021, Novi Sad
T1  - Solvothermal synthesis of NaGdYF4:Yb,Er UCNPs with different structual, morphological and optical properties
SP  - 121
EP  - 121
UR  - https://hdl.handle.net/21.15107/rcub_dais_12396
ER  - 
@conference{
author = "Dinić, Ivana and Vuković, Marina and Nikolić, Marko G. and Mančić, Lidija",
year = "2021",
abstract = "Up-Converting NanoParticles (UCNPs) with biocompatible surface and unique optical properties, low phonon energy (350 cm-1) and high chemical stability attract a great interest as potential biomarkers or drug delivery systems. The hydro/solvo thermal method, as one of the most economical method which do not include the use of toxic precursors, was applied here for the synthesis of NaY0.65Gd0.15F4:Yb,Er nanoparticles at 200oC. Chitosan is used as surfactant and structural directing agent. In addition, different processing parameters (precursor concentration, solvent type, and synthesis time) were applied to investigate their influence on the structural, morphological, and optical properties of UCNP. The XRD analysis showed that with a smaller surplus of fluoride ions the formation of Y0.65Gd0.15F4:Yb,Er orthorhombic phase occurs, while the increase of fluoride content or reaction time leads to NaY0.65Gd0.15F4:Yb,Er cubic phase formation. Along with it, the changes of UCNPs morphology from spindle to spherical shape is detected. All samples emit intense green emission due to the (2H11/2, 4S3/2) → 4I15/2 electronic transitions, after been excited with infrared light (λ=978 nm).",
publisher = "Novi Sad : Faculty of Technology",
journal = "Programme and book of abstracts / 14th ECerS Conference for Young Scientists in Ceramics (CYSC-2021), October 20-23, 2021, Novi Sad",
title = "Solvothermal synthesis of NaGdYF4:Yb,Er UCNPs with different structual, morphological and optical properties",
pages = "121-121",
url = "https://hdl.handle.net/21.15107/rcub_dais_12396"
}
Dinić, I., Vuković, M., Nikolić, M. G.,& Mančić, L.. (2021). Solvothermal synthesis of NaGdYF4:Yb,Er UCNPs with different structual, morphological and optical properties. in Programme and book of abstracts / 14th ECerS Conference for Young Scientists in Ceramics (CYSC-2021), October 20-23, 2021, Novi Sad
Novi Sad : Faculty of Technology., 121-121.
https://hdl.handle.net/21.15107/rcub_dais_12396
Dinić I, Vuković M, Nikolić MG, Mančić L. Solvothermal synthesis of NaGdYF4:Yb,Er UCNPs with different structual, morphological and optical properties. in Programme and book of abstracts / 14th ECerS Conference for Young Scientists in Ceramics (CYSC-2021), October 20-23, 2021, Novi Sad. 2021;:121-121.
https://hdl.handle.net/21.15107/rcub_dais_12396 .
Dinić, Ivana, Vuković, Marina, Nikolić, Marko G., Mančić, Lidija, "Solvothermal synthesis of NaGdYF4:Yb,Er UCNPs with different structual, morphological and optical properties" in Programme and book of abstracts / 14th ECerS Conference for Young Scientists in Ceramics (CYSC-2021), October 20-23, 2021, Novi Sad (2021):121-121,
https://hdl.handle.net/21.15107/rcub_dais_12396 .

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