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240426s2024 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.4c00528
|2 doi
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|a eng
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|a Curti, Leonardo
|e verfasserin
|4 aut
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|a Chiroptical Properties of Semiconducting Nanoplatelets Functionalized by Tartrate Derivatives
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 04.06.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Inducing chirality in semiconductor nanoparticles is a recent trend motivated by the possible applications in circularly polarized light emission, spintronics, or stereoselective synthesis. However, the previous reports on CdSe nanoplatelets (NPLs) exclusively rely on cysteine or its derivatives as chiral ligands to induce optical activity. Here, we show a strong induction of chirality with derivatives of tartaric acid obtained by a single-step synthesis. The ligand exchange procedure in organic solvent was optimized for five-monolayer (5 ML) NPLs but can also be performed on 4, 3, and 2 ML. We show that the features of the CD spectra change with structural modification of the ligands and that these chiral ligands interact mainly with the first light-hole (lh1) band rather than the first heavy-hole (hh1) band, contrary to cysteine. This result suggests that chiroptical properties could be used to probe CdSe nanoplatelets' surface ligands
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|a Journal Article
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|a Landaburu, Guillaume
|e verfasserin
|4 aut
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|a Abécassis, Benjamin
|e verfasserin
|4 aut
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|a Fleury, Benoit
|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 40(2024), 22 vom: 04. Juni, Seite 11481-11490
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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|g volume:40
|g year:2024
|g number:22
|g day:04
|g month:06
|g pages:11481-11490
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|u http://dx.doi.org/10.1021/acs.langmuir.4c00528
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