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231224s2011 xx |||||o 00| ||eng c |
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|a 10.1021/la203622u
|2 doi
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|a pubmed24n0708.xml
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|a (DE-627)NLM212458396
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|a (NLM)22022886
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Radziuk, Darya
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Ultrasonic approach for formation of erbium oxide nanoparticles with variable geometries
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|c 2011
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 27.03.2012
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|a Date Revised 21.11.2013
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2011 American Chemical Society
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|a Ultrasound (20 kHz, 29 W·cm(-2)) is employed to form three types of erbium oxide nanoparticles in the presence of multiwalled carbon nanotubes as a template material in water. The nanoparticles are (i) erbium carboxioxide nanoparticles deposited on the external walls of multiwalled carbon nanotubes and Er(2)O(3) in the bulk with (ii) hexagonal and (iii) spherical geometries. Each type of ultrasonically formed nanoparticle reveals Er(3+) photoluminescence from crystal lattice. The main advantage of the erbium carboxioxide nanoparticles on the carbon nanotubes is the electromagnetic emission in the visible region, which is new and not examined up to the present date. On the other hand, the photoluminescence of hexagonal erbium oxide nanoparticles is long-lived (μs) and enables the higher energy transition ((4)S(3/2)-(4)I(15/2)), which is not observed for spherical nanoparticles. Our work is unique because it combines for the first time spectroscopy of Er(3+) electronic transitions in the host crystal lattices of nanoparticles with the geometry established by ultrasound in aqueous solution of carbon nanotubes employed as a template material. The work can be of great interest for "green" chemistry synthesis of photoluminescent nanoparticles in water
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Nanotubes, Carbon
|2 NLM
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|a Oxides
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|a Water
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|a 059QF0KO0R
|2 NLM
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|a erbium oxide
|2 NLM
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|a 12645-29-3
|2 NLM
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|a Erbium
|2 NLM
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|a 77B218D3YE
|2 NLM
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1 |
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|a Skirtach, André
|e verfasserin
|4 aut
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|a Gessner, Andre
|e verfasserin
|4 aut
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| 700 |
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|a Kumke, Michael U
|e verfasserin
|4 aut
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| 700 |
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|a Zhang, Wei
|e verfasserin
|4 aut
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| 700 |
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|a Möhwald, Helmuth
|e verfasserin
|4 aut
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| 700 |
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|a Shchukin, Dmitry
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 27(2011), 23 vom: 06. Dez., Seite 14472-80
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:27
|g year:2011
|g number:23
|g day:06
|g month:12
|g pages:14472-80
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|u http://dx.doi.org/10.1021/la203622u
|3 Volltext
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