Revealing the Effect of Synthesis Conditions on the Structural, Optical, and Antibacterial Properties of Cerium Oxide Nanoparticles

Cerium oxide nanoparticles were prepared by a precipitation method using Ce(IV) sulphate as precursor dispersed in glycerol with varying synthesis parameters such as temperature or precipitating agent. The structural and morphological characteristics of the obtained nanoparticles were investigated b...
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Autor*in:	Nicusor Fifere [verfasserIn] Anton Airinei [verfasserIn] Marius Dobromir [verfasserIn] Liviu Sacarescu [verfasserIn] Simona I. Dunca [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2021

Schlagwörter:	cerium oxide nanoparticles modified precipitation method lattice parameters XPS antibacterial activity optical properties

Übergeordnetes Werk:	In: Nanomaterials - MDPI AG, 2012, 11(2021), 10, p 2596
Übergeordnetes Werk:	volume:11 ; year:2021 ; number:10, p 2596

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/nano11102596

Katalog-ID:	DOAJ04842403X

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520			\|a Cerium oxide nanoparticles were prepared by a precipitation method using Ce(IV) sulphate as precursor dispersed in glycerol with varying synthesis parameters such as temperature or precipitating agent. The structural and morphological characteristics of the obtained nanoparticles were investigated by X-ray diffraction, transmission electron microscopy, and diffuse reflectance spectroscopy. The crystallite size of the nanoparticles varied between 13 and 17 nm. The presence of Ce<sup<3+</sup< and Ce<sup<4+</sup< was proved by XPS data in the CeO<sub<2</sub< samples and the conservation of the fluorite structure was evinced by X-ray diffractograms with a contraction of the lattice parameter, regardless of the size of the nanoparticle. From diffuse reflectance spectra, two band gap energy values for the direct transition were observed. Depending on the synthesis condition, the red shift of gap energy and the blue shift of Urbach energy with increasing content of Ce<sup<3+</sup< were ascertained. The antibacterial tests revealed that the cerium oxide nanoparticles show good antimicrobial activity towards the common pathogens <i<Escherichia coli</i< and <i<Staphylococcus aureus</i<.
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allfieldsSound	10.3390/nano11102596 doi (DE-627)DOAJ04842403X (DE-599)DOAJ3bda5866888d4e64994355c480865d7e DE-627 ger DE-627 rakwb eng QD1-999 Nicusor Fifere verfasserin aut Revealing the Effect of Synthesis Conditions on the Structural, Optical, and Antibacterial Properties of Cerium Oxide Nanoparticles 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Cerium oxide nanoparticles were prepared by a precipitation method using Ce(IV) sulphate as precursor dispersed in glycerol with varying synthesis parameters such as temperature or precipitating agent. The structural and morphological characteristics of the obtained nanoparticles were investigated by X-ray diffraction, transmission electron microscopy, and diffuse reflectance spectroscopy. The crystallite size of the nanoparticles varied between 13 and 17 nm. The presence of Ce<sup<3+</sup< and Ce<sup<4+</sup< was proved by XPS data in the CeO<sub<2</sub< samples and the conservation of the fluorite structure was evinced by X-ray diffractograms with a contraction of the lattice parameter, regardless of the size of the nanoparticle. From diffuse reflectance spectra, two band gap energy values for the direct transition were observed. Depending on the synthesis condition, the red shift of gap energy and the blue shift of Urbach energy with increasing content of Ce<sup<3+</sup< were ascertained. The antibacterial tests revealed that the cerium oxide nanoparticles show good antimicrobial activity towards the common pathogens <i<Escherichia coli</i< and <i<Staphylococcus aureus</i<. cerium oxide nanoparticles modified precipitation method lattice parameters XPS antibacterial activity optical properties Chemistry Anton Airinei verfasserin aut Marius Dobromir verfasserin aut Liviu Sacarescu verfasserin aut Simona I. Dunca verfasserin aut In Nanomaterials MDPI AG, 2012 11(2021), 10, p 2596 (DE-627)718627199 (DE-600)2662255-5 20794991 nnns volume:11 year:2021 number:10, p 2596 https://doi.org/10.3390/nano11102596 kostenfrei https://doaj.org/article/3bda5866888d4e64994355c480865d7e kostenfrei https://www.mdpi.com/2079-4991/11/10/2596 kostenfrei https://doaj.org/toc/2079-4991 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2119 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2021 10, p 2596
language	English
source	In Nanomaterials 11(2021), 10, p 2596 volume:11 year:2021 number:10, p 2596
sourceStr	In Nanomaterials 11(2021), 10, p 2596 volume:11 year:2021 number:10, p 2596
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	cerium oxide nanoparticles modified precipitation method lattice parameters XPS antibacterial activity optical properties Chemistry
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container_title	Nanomaterials
authorswithroles_txt_mv	Nicusor Fifere @@aut@@ Anton Airinei @@aut@@ Marius Dobromir @@aut@@ Liviu Sacarescu @@aut@@ Simona I. Dunca @@aut@@
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callnumber-first	Q - Science
author	Nicusor Fifere
spellingShingle	Nicusor Fifere misc QD1-999 misc cerium oxide nanoparticles misc modified precipitation method misc lattice parameters misc XPS misc antibacterial activity misc optical properties misc Chemistry Revealing the Effect of Synthesis Conditions on the Structural, Optical, and Antibacterial Properties of Cerium Oxide Nanoparticles
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topic_title	QD1-999 Revealing the Effect of Synthesis Conditions on the Structural, Optical, and Antibacterial Properties of Cerium Oxide Nanoparticles cerium oxide nanoparticles modified precipitation method lattice parameters XPS antibacterial activity optical properties
topic	misc QD1-999 misc cerium oxide nanoparticles misc modified precipitation method misc lattice parameters misc XPS misc antibacterial activity misc optical properties misc Chemistry
topic_unstemmed	misc QD1-999 misc cerium oxide nanoparticles misc modified precipitation method misc lattice parameters misc XPS misc antibacterial activity misc optical properties misc Chemistry
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title	Revealing the Effect of Synthesis Conditions on the Structural, Optical, and Antibacterial Properties of Cerium Oxide Nanoparticles
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title_full	Revealing the Effect of Synthesis Conditions on the Structural, Optical, and Antibacterial Properties of Cerium Oxide Nanoparticles
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title_sort	revealing the effect of synthesis conditions on the structural, optical, and antibacterial properties of cerium oxide nanoparticles
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title_auth	Revealing the Effect of Synthesis Conditions on the Structural, Optical, and Antibacterial Properties of Cerium Oxide Nanoparticles
abstract	Cerium oxide nanoparticles were prepared by a precipitation method using Ce(IV) sulphate as precursor dispersed in glycerol with varying synthesis parameters such as temperature or precipitating agent. The structural and morphological characteristics of the obtained nanoparticles were investigated by X-ray diffraction, transmission electron microscopy, and diffuse reflectance spectroscopy. The crystallite size of the nanoparticles varied between 13 and 17 nm. The presence of Ce<sup<3+</sup< and Ce<sup<4+</sup< was proved by XPS data in the CeO<sub<2</sub< samples and the conservation of the fluorite structure was evinced by X-ray diffractograms with a contraction of the lattice parameter, regardless of the size of the nanoparticle. From diffuse reflectance spectra, two band gap energy values for the direct transition were observed. Depending on the synthesis condition, the red shift of gap energy and the blue shift of Urbach energy with increasing content of Ce<sup<3+</sup< were ascertained. The antibacterial tests revealed that the cerium oxide nanoparticles show good antimicrobial activity towards the common pathogens <i<Escherichia coli</i< and <i<Staphylococcus aureus</i<.
abstractGer	Cerium oxide nanoparticles were prepared by a precipitation method using Ce(IV) sulphate as precursor dispersed in glycerol with varying synthesis parameters such as temperature or precipitating agent. The structural and morphological characteristics of the obtained nanoparticles were investigated by X-ray diffraction, transmission electron microscopy, and diffuse reflectance spectroscopy. The crystallite size of the nanoparticles varied between 13 and 17 nm. The presence of Ce<sup<3+</sup< and Ce<sup<4+</sup< was proved by XPS data in the CeO<sub<2</sub< samples and the conservation of the fluorite structure was evinced by X-ray diffractograms with a contraction of the lattice parameter, regardless of the size of the nanoparticle. From diffuse reflectance spectra, two band gap energy values for the direct transition were observed. Depending on the synthesis condition, the red shift of gap energy and the blue shift of Urbach energy with increasing content of Ce<sup<3+</sup< were ascertained. The antibacterial tests revealed that the cerium oxide nanoparticles show good antimicrobial activity towards the common pathogens <i<Escherichia coli</i< and <i<Staphylococcus aureus</i<.
abstract_unstemmed	Cerium oxide nanoparticles were prepared by a precipitation method using Ce(IV) sulphate as precursor dispersed in glycerol with varying synthesis parameters such as temperature or precipitating agent. The structural and morphological characteristics of the obtained nanoparticles were investigated by X-ray diffraction, transmission electron microscopy, and diffuse reflectance spectroscopy. The crystallite size of the nanoparticles varied between 13 and 17 nm. The presence of Ce<sup<3+</sup< and Ce<sup<4+</sup< was proved by XPS data in the CeO<sub<2</sub< samples and the conservation of the fluorite structure was evinced by X-ray diffractograms with a contraction of the lattice parameter, regardless of the size of the nanoparticle. From diffuse reflectance spectra, two band gap energy values for the direct transition were observed. Depending on the synthesis condition, the red shift of gap energy and the blue shift of Urbach energy with increasing content of Ce<sup<3+</sup< were ascertained. The antibacterial tests revealed that the cerium oxide nanoparticles show good antimicrobial activity towards the common pathogens <i<Escherichia coli</i< and <i<Staphylococcus aureus</i<.
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title_short	Revealing the Effect of Synthesis Conditions on the Structural, Optical, and Antibacterial Properties of Cerium Oxide Nanoparticles
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Revealing the Effect of Synthesis Conditions on the Structural, Optical, and Antibacterial Properties of Cerium Oxide Nanoparticles

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