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Local structure and...
Local structure and near-infrared emission features of neodymium-based amine functionalized organic/inorganic hybrids
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- Goncalves, M. C. (author)
- Universidade de Tras-os-Montes e Alto Douro,University of Trás-os-Montes and Alto Douro
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Silva, N. J. O. (author)
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- Bermudez, V. D. (author)
- Universidade de Tras-os-Montes e Alto Douro,University of Trás-os-Montes and Alto Douro
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Ferreira, R. A. S. (author)
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Carlos, L. D. (author)
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- Dahmouche, K. (author)
- Universidade Estadual Paulista (UNESP),São Paulo State University (UNESP)
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- Santilli, C. V. (author)
- Universidade Estadual Paulista (UNESP),São Paulo State University (UNESP)
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- Ostrovskii, Denis, 1967 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Vilela, I. C. C. (author)
- Universidade de Tras-os-Montes e Alto Douro,University of Trás-os-Montes and Alto Douro
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- Craievich, A. F. (author)
- Universidade de Sao Paulo (USP),University of Sao Paulo (USP)
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(creator_code:org_t)
- 2005-10-07
- 2005
- English.
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In: Journal of Physical Chemistry B. - : American Chemical Society (ACS). - 1520-5207 .- 1520-6106. ; 109:43, s. 20093-20104
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Abstract
Subject headings
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- Nd3+-based organic/inorganic hybrids have potential application in the field of integrated optics. Attractive sol-gel derived di-urea and di-urethane cross-linked poly (oxyethylene) (POE)/siloxane hybrids (di-ureasils and di-urethanesils, respectively) doped with neodymium triflate (Nd(CF3SO3)(3)) were examined by Fourier transform mid-infrared (FT-IR), Raman (FT-Raman), Si-29 magic-angle spinning (MAS) nuclear magnetic resonance (NMR) and photoluminescence spectroscopies, and small-angle X-ray scattering (SAXS). The goals of this work were to determine which cation coordinating site of the host matrix (ether oxygen atoms or carbonyl oxygen atoms) is active in each of the materials analyzed, its influence on the nanostructure of the samples and its relation with the photoluminescence properties. The main conclusion derived from this study is that the hydrogen-bonded associations formed throughout the materials play a major role in the hybrids nanostructure and photoluminescence properties.
Subject headings
- NATURVETENSKAP -- Kemi -- Fysikalisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Physical Chemistry (hsv//eng)
Keyword
- trivalent cations
- polymer electrolytes
- complexes
- nanohybrids
- poly(ethylene oxide)
- organic-inorganic nanocomposites
- eu3+ ions
- energy-transfer
- optical-properties
- metal salts
Publication and Content Type
- art (subject category)
- ref (subject category)
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- By the author/editor
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Goncalves, M. C.
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Silva, N. J. O.
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Bermudez, V. D.
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Ferreira, R. A. ...
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Carlos, L. D.
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Dahmouche, K.
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show more...
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Santilli, C. V.
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Ostrovskii, Deni ...
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Vilela, I. C. C.
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Craievich, A. F.
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
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and Physical Chemist ...
- Articles in the publication
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Journal of Physi ...
- By the university
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Chalmers University of Technology