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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201800097
|2 doi
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|a eng
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|a Georgieva, Zheni N
|e verfasserin
|4 aut
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|a Imprinting Chirality onto the Electronic States of Colloidal Perovskite Nanoplatelets
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|c 2018
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|a Text
|b txt
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 01.08.2018
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|a Date Revised 01.10.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a The direct synthesis of chiroptical organic-inorganic methylammonium lead bromide perovskite nanoplatelets that are passivated by R- or S-phenylethylammonium ligands is reported. The circular dichroism spectra can be divided into two components: (1) a region associated with a charge transfer transition between the ligand and the nanoplatelet, 300-350 nm, and (2) a region corresponding to the excitonic absorption maximum of the perovskite, 400-450 nm. The temperature- and concentration-dependent circular dichroism spectra indicate that the chiro-optical response arises from chiral imprinting by the ligand on the electronic states of the quantum-confined perovskite rather than chiral ligand-induced stereoselective aggregation
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|a Journal Article
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|a chiral colloidal perovskite nanoplatelets
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|a circular dichroism
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|a quantum confinement
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1 |
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|a Bloom, Brian P
|e verfasserin
|4 aut
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1 |
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|a Ghosh, Supriya
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Waldeck, David H
|e verfasserin
|4 aut
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 30(2018), 23 vom: 26. Juni, Seite e1800097
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|g volume:30
|g year:2018
|g number:23
|g day:26
|g month:06
|g pages:e1800097
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|u http://dx.doi.org/10.1002/adma.201800097
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