2021
DOI: 10.1007/s12274-021-3389-9
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Copper-hydride nanoclusters with enhanced stability by N-heterocyclic carbenes

Abstract: Copper-hydrides have been intensively studied for a long time due to their utilization in a variety of technologically important chemical transformations. Nevertheless, poor stability of the species severely hinders its isolation, storage and operation, which is worse for nano-sized ones. We report here an unprecedented strategy to access to ultrastable copper-hydride nanoclusters (NCs), namely, using bidentate N-heterocyclic carbenes as stabilizing ligands in addition to thiolates. In this work, a simple synt… Show more

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Cited by 42 publications
(41 citation statements)
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“…55–64 Earlier examples include that of Shionoya involving the NHC counterpart of the classical Schmidbauer [C(AuPPh 3 ) 6 ] 2+ cluster and the formation of a [Au 13 (NHC) 9 Cl 3 ] 2+ cluster showing a high emission quantum yield by Crudden, 65 which preceded the characterization and applications of several species. 66–74…”
Section: Introductionmentioning
confidence: 99%
“…55–64 Earlier examples include that of Shionoya involving the NHC counterpart of the classical Schmidbauer [C(AuPPh 3 ) 6 ] 2+ cluster and the formation of a [Au 13 (NHC) 9 Cl 3 ] 2+ cluster showing a high emission quantum yield by Crudden, 65 which preceded the characterization and applications of several species. 66–74…”
Section: Introductionmentioning
confidence: 99%
“…Since the discovery of Stryker's reagent, [HCu-PPh 3 ] 6 , 1 now widely employed to regioselectively hydrogenate αβ-unsaturated carbonyl compounds, several copper hydrides complexes have been synthesized. 2–28 The broad variety of applications for these complexes include 23,24,29–31 hydrogen storage, 5,32–36 catalysis, 28,32,37–45 energy storage, 38,32 and energy conversion, 32,46 to give but a few examples. Within this family of compounds, several coordination modes have been observed for Cu–H hydrides such as adopting a bridge position, face-capping or interstitial positions to help to stabilize the cluster.…”
Section: Introductionmentioning
confidence: 99%
“…[5][6][7][8][9][10][11] Ligand-protected gold nanoclusters having well-dened compositions and structures are of great signicance in terms of the correlation of structures and properties. [12][13][14] During the past decades, great progress has been made in engineering interfaces of metal nanomaterials via single ligand systems, for instance, phosphine, thiol, alkynyl, halide, and N-heterocylic carbene, [15][16][17][18][19][20][21][22] which readily promote the surface reactivity of nanoclusters, thereby helping to achieve high catalysis performance. 23 The pioneering work of ([Au 11 (PPh 3 ) 7 ](SCN) 3 ) can be traced back to Malatesta et al in 1966, but the structure could not be accurately dened at that time.…”
Section: Introductionmentioning
confidence: 99%