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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201908311
|2 doi
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|a pubmed24n1030.xml
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|a (DE-627)NLM309134862
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|a (NLM)32329148
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Zhou, Yongjian
|e verfasserin
|4 aut
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| 245 |
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|a Stacking-Order-Driven Optical Properties and Carrier Dynamics in ReS2
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|c 2020
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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
|b cr
|2 rdacarrier
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a Two distinct stacking orders in ReS2 are identified without ambiguity and their influence on vibrational, optical properties and carrier dynamics are investigated. With atomic resolution scanning transmission electron microscopy (STEM), two stacking orders are determined as AA stacking with negligible displacement across layers, and AB stacking with about a one-unit cell displacement along the a axis. First-principles calculations confirm that these two stacking orders correspond to two local energy minima. Raman spectra inform a consistent difference of modes I & III, about 13 cm-1 for AA stacking, and 20 cm-1 for AB stacking, making a simple tool for determining the stacking orders in ReS2 . Polarized photoluminescence (PL) reveals that AB stacking possesses blueshifted PL peak positions, and broader peak widths, compared with AA stacking, indicating stronger interlayer interaction. Transient transmission measured with femtosecond pump-probe spectroscopy suggests exciton dynamics being more anisotropic in AB stacking, where excited state absorption related to Exc. III mode disappears when probe polarization aligns perpendicular to b axis. The findings underscore the stacking-order driven optical properties and carrier dynamics of ReS2 , mediate many seemingly contradictory results in the literature, and open up an opportunity to engineer electronic devices with new functionalities by manipulating the stacking order
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|a Journal Article
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|a 2D materials
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|a ReS2
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|a carrier dynamics first-principles calculations
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|a optical properties
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|a pump-probe
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|a Maity, Nikhilesh
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Rai, Amritesh
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Juneja, Rinkle
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Meng, Xianghai
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Roy, Anupam
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Yanyao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xu, Xiaochuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lin, Jung-Fu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Banerjee, Sanjay K
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Singh, Abhishek K
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Yaguo
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 32(2020), 22 vom: 01. Juni, Seite e1908311
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:32
|g year:2020
|g number:22
|g day:01
|g month:06
|g pages:e1908311
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| 856 |
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|u http://dx.doi.org/10.1002/adma.201908311
|3 Volltext
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