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231224s2011 xx |||||o 00| ||eng c |
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|a 10.1021/la203258r
|2 doi
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|a eng
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| 100 |
1 |
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|a Ezhov, Alexander A
|e verfasserin
|4 aut
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| 245 |
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|a Liquid-crystalline polymer composites with CdS nanorods
|b structure and optical properties
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|c 2011
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 16.02.2012
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|a Date Revised 25.10.2011
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a We report on the structure, uniaxial orientation, and photoluminescent properties of CdS nanorods that form stable nanocomposites with smectic C hydrogen-bonded polymers from the family of poly(4-(n-acryloyloxyalkoxy)benzoic acids. TEM analysis of microtomed films of nanocomposites reveals that CdS nanorods form small domains that are homogeneously distributed in the LC polymer matrix. They undergo long-range orientation with the formation of one-dimensional aggregates of rods when the composite films are uniaxially deformed. The Stokes photoluminescence was observed from CdS NRs/LC polymer composites with emission peak located almost at the same wavelength as that of NRs solution in heptane. An anti-Stokes photoluminescence (ASPL) in polymer nanocomposites was found under the excitation below the nanoparticles ground state. The mechanism of ASPL was interpreted in terms of thermally populated states that are involved in the excitation process. These nanocomposites represent an unusual material in which the optical properties of anisotropic semiconductor nanostructures can be controlled by mechanical deformation of liquid-crystalline matrix
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|a Journal Article
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1 |
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|a Shandryuk, Georgii A
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Bondarenko, Galina N
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Merekalov, Alexey S
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Abramchuk, Sergey S
|e verfasserin
|4 aut
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1 |
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|a Shatalova, Alina M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Manna, Pramit
|e verfasserin
|4 aut
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|a Zubarev, Eugene R
|e verfasserin
|4 aut
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| 700 |
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|a Talroze, Raisa V
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 27(2011), 21 vom: 01. Nov., Seite 13353-60
|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:21
|g day:01
|g month:11
|g pages:13353-60
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|u http://dx.doi.org/10.1021/la203258r
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