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Synthesis of core-shell NaYF4:Yb,Tm@TiO2-Acac micro- and nano-sized particles for efficient photocatalysis

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2021
Physical-chemistry-2021-SMarkovic-Proceedings.pdf (362.9Kb)
Authors
Marković, Smilja
Machado, T. M.
Dinić, Ivana
Veselinović, Ljiljana
Janković Častvan, Ivona
Marinković, Bojan A.
Mančić, Lidija
Conference object (Published version)
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Abstract
Micro- and nano-sized core-shell particles for efficient photocatalysis were successfully synthesized by a two step wet-chemical route. The core composed of up-converting (UC) NaYF4:Yb,Tm phase was prepared through EDTA assisted hydrothermal process, while the shell of anatase TiO2 –Acetylacetone (TiO2-Acac) charge-transfer complex was formed via a sol-gel method. During coating, the effect of polyvinylpyrrolidone (PVP) addition on the core and shell coupling was investigated. Two forms of core structures were obtained: hexagonal microprisms of beta-NaYF4:Yb,Tm and alpha-NaYF4:Yb,Tm nanospheres, both coated with TiO2-Acac nanocrystals.
Keywords:
core-shell particles / photocatalysis / up-converting particles
Source:
Physical Chemistry 2021 : proceedings. Vol. 2 / 15th International Conference on Fundamental and Applied Aspects of Physical Chemistry, September 20-24, 2021, Belgrade, Serbia, 2021
Publisher:
  • Belgrade : Society of Physical Chemists of Serbia
Funding / projects:
  • Science Fund of the Republic of Serbia, DIJASPORA Programme, #6421090
  • COSH-PHOTO
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200175 (Institute of Technical Sciences of SASA, Belgrade) (RS-200175)
  • CNPq for Research Productivity Grant
  • CAPES post-doctoral scholarship, PNPD-88882.315335/2019-01

ISBN: 978-86-82475-39-2

[ Google Scholar ]
Handle
https://hdl.handle.net/21.15107/rcub_dais_12989
URI
https://dais.sanu.ac.rs/123456789/12989
Collections
  • ИТН САНУ - Општа колекција / ITS SASA - General collection
Institution/Community
Институт техничких наука САНУ / Institute of Technical Sciences of SASA
TY  - CONF
AU  - Marković, Smilja
AU  - Machado, T. M.
AU  - Dinić, Ivana
AU  - Veselinović, Ljiljana
AU  - Janković Častvan, Ivona
AU  - Marinković, Bojan A.
AU  - Mančić, Lidija
PY  - 2021
UR  - https://dais.sanu.ac.rs/123456789/12989
AB  - Micro- and nano-sized core-shell particles for efficient photocatalysis were successfully synthesized by a two step wet-chemical route. The core composed of up-converting (UC) NaYF4:Yb,Tm phase was prepared through EDTA assisted hydrothermal process, while the shell of anatase TiO2 –Acetylacetone (TiO2-Acac) charge-transfer complex was formed via a sol-gel method. During coating, the effect of polyvinylpyrrolidone (PVP) addition on the core and shell coupling was investigated. Two forms of core structures were obtained: hexagonal microprisms of beta-NaYF4:Yb,Tm and alpha-NaYF4:Yb,Tm nanospheres, both coated with TiO2-Acac nanocrystals.
PB  - Belgrade : Society of Physical Chemists of Serbia
C3  - Physical Chemistry 2021 : proceedings. Vol. 2 / 15th International Conference on Fundamental and Applied Aspects of Physical Chemistry, September 20-24, 2021, Belgrade, Serbia
T1  - Synthesis of core-shell NaYF4:Yb,Tm@TiO2-Acac micro- and nano-sized particles for efficient photocatalysis
UR  - https://hdl.handle.net/21.15107/rcub_dais_12989
ER  - 
@conference{
author = "Marković, Smilja and Machado, T. M. and Dinić, Ivana and Veselinović, Ljiljana and Janković Častvan, Ivona and Marinković, Bojan A. and Mančić, Lidija",
year = "2021",
abstract = "Micro- and nano-sized core-shell particles for efficient photocatalysis were successfully synthesized by a two step wet-chemical route. The core composed of up-converting (UC) NaYF4:Yb,Tm phase was prepared through EDTA assisted hydrothermal process, while the shell of anatase TiO2 –Acetylacetone (TiO2-Acac) charge-transfer complex was formed via a sol-gel method. During coating, the effect of polyvinylpyrrolidone (PVP) addition on the core and shell coupling was investigated. Two forms of core structures were obtained: hexagonal microprisms of beta-NaYF4:Yb,Tm and alpha-NaYF4:Yb,Tm nanospheres, both coated with TiO2-Acac nanocrystals.",
publisher = "Belgrade : Society of Physical Chemists of Serbia",
journal = "Physical Chemistry 2021 : proceedings. Vol. 2 / 15th International Conference on Fundamental and Applied Aspects of Physical Chemistry, September 20-24, 2021, Belgrade, Serbia",
title = "Synthesis of core-shell NaYF4:Yb,Tm@TiO2-Acac micro- and nano-sized particles for efficient photocatalysis",
url = "https://hdl.handle.net/21.15107/rcub_dais_12989"
}
Marković, S., Machado, T. M., Dinić, I., Veselinović, L., Janković Častvan, I., Marinković, B. A.,& Mančić, L.. (2021). Synthesis of core-shell NaYF4:Yb,Tm@TiO2-Acac micro- and nano-sized particles for efficient photocatalysis. in Physical Chemistry 2021 : proceedings. Vol. 2 / 15th International Conference on Fundamental and Applied Aspects of Physical Chemistry, September 20-24, 2021, Belgrade, Serbia
Belgrade : Society of Physical Chemists of Serbia..
https://hdl.handle.net/21.15107/rcub_dais_12989
Marković S, Machado TM, Dinić I, Veselinović L, Janković Častvan I, Marinković BA, Mančić L. Synthesis of core-shell NaYF4:Yb,Tm@TiO2-Acac micro- and nano-sized particles for efficient photocatalysis. in Physical Chemistry 2021 : proceedings. Vol. 2 / 15th International Conference on Fundamental and Applied Aspects of Physical Chemistry, September 20-24, 2021, Belgrade, Serbia. 2021;.
https://hdl.handle.net/21.15107/rcub_dais_12989 .
Marković, Smilja, Machado, T. M., Dinić, Ivana, Veselinović, Ljiljana, Janković Častvan, Ivona, Marinković, Bojan A., Mančić, Lidija, "Synthesis of core-shell NaYF4:Yb,Tm@TiO2-Acac micro- and nano-sized particles for efficient photocatalysis" in Physical Chemistry 2021 : proceedings. Vol. 2 / 15th International Conference on Fundamental and Applied Aspects of Physical Chemistry, September 20-24, 2021, Belgrade, Serbia (2021),
https://hdl.handle.net/21.15107/rcub_dais_12989 .

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