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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202301506
|2 doi
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|a pubmed24n1187.xml
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|a (DE-627)NLM356204243
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|a (NLM)37116867
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Ji, Dali
|e verfasserin
|4 aut
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| 245 |
1 |
0 |
|a Angstrom-Confined Electrochemical Synthesis of Sub-Unit-Cell Non-Van Der Waals 2D Metal Oxides
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1 |
|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 27.07.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2023 The Authors. Advanced Materials published by Wiley-VCH GmbH.
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|a Bottom-up electrochemical synthesis of atomically thin materials is desirable yet challenging, especially for non-van der Waals (non-vdW) materials. Thicknesses below a few nanometers have not been reported yet, posing the question how thin can non-vdW materials be electrochemically synthesized. This is important as materials with (sub-)unit-cell thickness often show remarkably different properties compared to their bulk form or thin films of several nanometers thickness. Here, a straightforward electrochemical method utilizing the angstrom-confinement of laminar reduced graphene oxide (rGO) nanochannels is introduced to obtain a centimeter-scale network of atomically thin (<4.3 Å) 2D-transition metal oxides (2D-TMO). The angstrom-confinement provides a thickness limitation, forcing sub-unit-cell growth of 2D-TMO with oxygen and metal vacancies. It is showcased that Cr2 O3 , a material without significant catalytic activity for the oxygen evolution reaction (OER) in bulk form, can be activated as a high-performing catalyst if synthesized in the 2D sub-unit-cell form. This method displays the high activity of sub-unit-cell form while retaining the stability of bulk form, promising to yield unexplored fundamental science and applications. It is shown that while retaining the advantages of bottom-up electrochemical synthesis, like simplicity, high yield, and mild conditions, the thickness of TMO can be limited to sub-unit-cell dimensions
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|a Journal Article
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|a 2D transition metal oxides
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4 |
|a angstrom-confined electrochemistry
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4 |
|a atomically thin non-van der Waals materials
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4 |
|a graphene oxide
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| 650 |
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4 |
|a oxygen evolution reaction
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| 700 |
1 |
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|a Lee, Yunah
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Nishina, Yuta
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kamiya, Kazuhide
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Daiyan, Rahman
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chu, Dewei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wen, Xinyue
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yoshimura, Masamichi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kumar, Priyank
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Andreeva, Daria V
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Novoselov, Kostya S
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lee, Gwan-Hyoung
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Joshi, Rakesh
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Foller, Tobias
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 35(2023), 30 vom: 29. Juli, Seite e2301506
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
1 |
8 |
|g volume:35
|g year:2023
|g number:30
|g day:29
|g month:07
|g pages:e2301506
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| 856 |
4 |
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|u http://dx.doi.org/10.1002/adma.202301506
|3 Volltext
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|a GBV_USEFLAG_A
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|a SYSFLAG_A
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|a GBV_NLM
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|a GBV_ILN_350
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|a AR
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| 952 |
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|d 35
|j 2023
|e 30
|b 29
|c 07
|h e2301506
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