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231224s2013 xx |||||o 00| ||eng c |
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7 |
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|a 10.1021/la3047609
|2 doi
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|a eng
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1 |
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|a Margraf, Johannes T
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Quantum-dot-sensitized solar cells
|b understanding linker molecules through theory and experiment
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|c 2013
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 30.08.2013
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|a Date Revised 19.02.2013
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a We have investigated the role of linker molecules in quantum-dot-sensitized solar cells (QDSSCs) using density-functional theory (DFT) and experiments. Linkers not only govern the number of attached QDs but also influence charge separation, recombination, and transport. Understanding their behavior is therefore not straightforward. DFT calculations show that mercaptopropionic acid (MPA) and cysteine (Cys) exhibit characteristic binding configurations on TiO(2) surfaces. This information is used to optimize the cell assembly process, yielding Cys-based cells that significantly outperform MPA cells, and reach power conversion efficiencies (PCE) as high as 2.7% under AM 1.5 illumination. Importantly, the structural information from theory also helps understand the cause for this improved performance
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| 650 |
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|a Journal Article
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|a Ruland, Andrés
|e verfasserin
|4 aut
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| 700 |
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|a Sgobba, Vito
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Guldi, Dirk M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Clark, Timothy
|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 29(2013), 7 vom: 19. Feb., Seite 2434-8
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|g volume:29
|g year:2013
|g number:7
|g day:19
|g month:02
|g pages:2434-8
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