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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.8b00155
|2 doi
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|a pubmed25n0936.xml
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|a (NLM)29424540
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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 Bezen, Lior
|e verfasserin
|4 aut
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| 245 |
1 |
0 |
|a Chiral Molecule-Enhanced Extinction Ratios of Quantum Dots Coupled to Random Plasmonic Structures
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| 264 |
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|c 2018
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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| 500 |
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|a Date Completed 15.05.2018
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|a Date Revised 15.05.2018
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Devices based on self-assembled hybrid colloidal quantum dots (CQDs) coupled with specific organic linker molecules are a promising way to simply realize room-temperature, spectrally tunable light detectors. Nevertheless, this type of devices usually has low quantum efficiency. Plasmonics has been shown as an efficient tool in guiding and confining light at nanoscale dimensions. As plasmonic modes exhibit highly confined fields, they locally increase light-matter interactions and consequently enhance the performance of CQD-based photodetectors. Recent publications presented experimental results of large extinction enhancement from a monolayer of CQDs coupled to random gold nanoislands using a monolayer of organic alkyl linkers. We report here that a twofold larger extinction enhancement in the visible spectrum is observed when a monolayer of helical chiral molecules connects the CQDs to the gold structure instead of a monolayer of achiral linkers. We also show that this effect provides insight into the chirality of the molecules within the monolayer. In future work, we plan to evaluate the potential of these results to be used in the construction of a more efficient and sensitive photon detector based on surface QDs, as well as to supply a simple way to map the chirality of a single chiral monolayer
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|a Journal Article
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|a Research Support, U.S. Gov't, Non-P.H.S.
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| 650 |
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|a Research Support, Non-U.S. Gov't
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| 700 |
1 |
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|a Yochelis, Shira
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jayarathna, Dilhara
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Bhunia, Dinesh
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Achim, Catalina
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Paltiel, Yossi
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1985
|g 34(2018), 9 vom: 06. März, Seite 3076-3081
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:34
|g year:2018
|g number:9
|g day:06
|g month:03
|g pages:3076-3081
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|u http://dx.doi.org/10.1021/acs.langmuir.8b00155
|3 Volltext
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