2019
DOI: 10.1038/s41586-019-1255-7
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Freestanding crystalline oxide perovskites down to the monolayer limit

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Cited by 481 publications
(412 citation statements)
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“…2D perovskite strontium niobate (Sr 2 Nb 3 O 10 , SNO), exfoliated from Dion–Jacobson layered oxide KSr 2 Nb 3 O 10 or CsSr 2 Nb 3 O 10 , has attracted increasing research interest due to its unique structure and properties . In the family of transition‐metal‐oxide perovskites, a host of novel properties have been discovered owing to strongly interacting d orbital electrons . For instance, previous studies explored the high catalytic performance of H[M 2 Nb 3 O 10 ] (M = Ca, Sr) perovskite family toward hydrogen evolution, in which their unique layered structure provides abundant active sites and promotes reactant migration .…”
mentioning
confidence: 99%
“…2D perovskite strontium niobate (Sr 2 Nb 3 O 10 , SNO), exfoliated from Dion–Jacobson layered oxide KSr 2 Nb 3 O 10 or CsSr 2 Nb 3 O 10 , has attracted increasing research interest due to its unique structure and properties . In the family of transition‐metal‐oxide perovskites, a host of novel properties have been discovered owing to strongly interacting d orbital electrons . For instance, previous studies explored the high catalytic performance of H[M 2 Nb 3 O 10 ] (M = Ca, Sr) perovskite family toward hydrogen evolution, in which their unique layered structure provides abundant active sites and promotes reactant migration .…”
mentioning
confidence: 99%
“…However, most of them are layered materials with van der Waals interaction between adjacent layers, hindering the further development of 2D homojunctions. Recently, 2D nonlayered materials with covalent bonding in 3D directions, as a new member of the 2D family, have attracted enormous attention because of their confined atomic level and especially salient surface chemical states. The surface of 2D nonlayered materials is filled with dangling bonds, which is not the case in layered materials, resulting in a highly chemically active surface, indicating great potential in photocatalysis .…”
Section: Introductionmentioning
confidence: 99%
“…These techniques are highly selective or difficult to generalize to a wide range of perovskite oxides. Recently, Lu et al reported a new way to synthesize high‐quality freestanding perovskite oxides using water‐soluble Sr 3 Al 2 O 6 (SAO) as a sacrificial buffer layer, allowing the synthesis of high‐crystalline‐quality freestanding films, even down to the monolayer limit …”
mentioning
confidence: 99%