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|a (NLM)15924466
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Vuorinen, Tommi
|e verfasserin
|4 aut
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|a Photoinduced electron transfer in Langmuir-Blodgett monolayers of porphyrin-fullerene dyads
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|c 2005
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|2 rdacarrier
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|a Date Completed 28.07.2006
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|a Date Revised 31.05.2005
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a A series of electron donor-acceptor (DA) dyads, composed of a porphyrin donor and a fullerene acceptor covalently linked with two molecular chains, were used to fabricate solid molecular films with the Langmuir-Blodgett (LB) technique. By means of the LB technique, the DA molecules can be oriented perpendicular to the plane of the substrate. In DHD6ee and its zinc derivative hydrophilic groups are attached to the phenyl moieties in the porphyrin end of the molecule; while in the other three dyads, TBD6a, TBD6hp, and TBD4hp, the hydrophilic groups are in the fullerene end of the molecule. This makes it possible to alternate the orientation of the molecules in two opposite directions with respect to the air-water interface and to fabricate molecular assemblies in which the direction of the primary photoinduced vectorial electron transfer can be controlled both by the deposition direction of the LB monolayer and by the selection of the used DA molecule. This was proved by the time-resolved Maxwell displacement charge measurements. The spectroscopic properties of the DA films were studied with the steady-state absorption and fluorescence methods. In addition, the time correlated single photon counting technique was used to determine the fluorescence properties of the dyad films
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|a Journal Article
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|a Kaunisto, Kimmo
|e verfasserin
|4 aut
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|a Tkachenko, Nikolai V
|e verfasserin
|4 aut
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|a Efimov, Alexander
|e verfasserin
|4 aut
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|a Lemmetyinen, Helge
|e verfasserin
|4 aut
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|a Alekseev, Alexander S
|e verfasserin
|4 aut
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|a Hosomizu, Kohei
|e verfasserin
|4 aut
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|a Imahori, Hiroshi
|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 21(2005), 12 vom: 07. Juni, Seite 5383-90
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:21
|g year:2005
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