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231224s2011 xx |||||o 00| ||eng c |
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|a 10.1021/la203104v
|2 doi
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|a pubmed24n0707.xml
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|a (NLM)21999751
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|a DE-627
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|e rakwb
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|a eng
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|a Katono, Masataka
|e verfasserin
|4 aut
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|a D-π-A dye system containing cyano-benzoic acid as anchoring group for dye-sensitized solar cells
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|c 2011
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|a Text
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|2 rdacontent
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|a ƒaComputermedien
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|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 19.11.2015
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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 A D-π-A dye (KM-1) incorporating cyano-benzoic acid as a new acceptor/anchoring group has been synthesized for dye-sensitized solar cells (DSCs) with a high molar extinction coefficient of 66,700 M(-1) cm(-1) at 437 nm. Theoretical calculations show that the hydrogen bond between -CN and surface hydroxyl leads to the most stable configuration on the surface of TiO(2). In addition, the adsorption of the dye on TiO(2) follows a Brunauer-Emmett-Teller (BET) isotherm. Multilayer adsorption of KM-1 on TiO(2) seems to take place particularly at higher dye concentrations. DSC device using KM-1 reached a maximum incident photon-to-current conversion efficiency (IPCE) of 84%, with a solar to electric power conversion efficiency (PCE) of 3.3% at AM1.5 G illumination (100 mW cm(-2)). This new type of anchoring group paves a way to design new dyes that combine good visible light harvesting with strong binding to the metal oxide surface
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Coloring Agents
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|a Cyanides
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|a titanium dioxide
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|a 15FIX9V2JP
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|a Benzoic Acid
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|a 8SKN0B0MIM
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|a Titanium
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|a D1JT611TNE
|2 NLM
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|a Bessho, Takeru
|e verfasserin
|4 aut
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|a Meng, Sheng
|e verfasserin
|4 aut
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|a Humphry-Baker, Robin
|e verfasserin
|4 aut
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|a Rothenberger, Guido
|e verfasserin
|4 aut
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|a Zakeeruddin, Shaik M
|e verfasserin
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|a Kaxiras, Efthimios
|e verfasserin
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|a Grätzel, Michael
|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), 23 vom: 06. Dez., Seite 14248-52
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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|g volume:27
|g year:2011
|g number:23
|g day:06
|g month:12
|g pages:14248-52
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|u http://dx.doi.org/10.1021/la203104v
|3 Volltext
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