Synthesis of Hexagonal Nickel Hydroxide Nanosheets by Exfoliation of Layered Nickel Hydroxide Intercalated with Dodecyl Sulfate Ions

Ida, Shintaro; Shiga, Daisuke; Koinuma, Michio; Matsumoto, Yasumichi

doi:10.1021/ja804397n

Cited by 221 publications

(196 citation statements)

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“…1a. First, well-dispersed SL-Ni(OH) 2 nanosheets in formamide were prepared by exfoliation of layered Ni(OH) 2 intercalated with dodecyl sulfate (DS) ions 33 . The single-layered nature of the exfoliated SL-Ni(OH) 2 nanosheets was confirmed by the corresponding atomic force microscopy (AFM) measurement (Supplementary Fig.…”

Section: Resultsmentioning

confidence: 99%

“…Finally, the mixture was subjected to solvothermal treatment in a 20-ml Teflon-lined autoclave at 120°C for 4 h to obtain the Pt NWs/SL-Ni(OH) 2 hybrids. In this synthesis, formamide acts as both the solvent for dispersing SL-Ni(OH) 2 nanosheets and the reducing agent for generation of Pt NWs 33,45 . Figure 1b,c presents the typical transmission electron microscopy (TEM) images of as-synthesized products.…”

Section: Resultsmentioning

confidence: 99%

“…Synthesis of single-layered Ni(OH) 2 (SL-Ni(OH) 2 ). Preparation of SL-Ni(OH) 2 formamide dispersion was based on the reported method with slight modification 33 . First of all, layered Ni(OH) 2 intercalated with DS was synthesized by precipitation of an aqueous solution of Ni 2 þ and SDS through hexamethylenetetramine (HMT) hydrolysis.…”

Section: Discussionmentioning

confidence: 99%

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Ultrathin platinum nanowires grown on single-layered nickel hydroxide with high hydrogen evolution activity

et al. 2015

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Design and synthesis of effective electrocatalysts for hydrogen evolution reaction in alkaline environments is critical to reduce energy losses in alkaline water electrolysis. Here we report a hybrid nanomaterial comprising of one-dimensional ultrathin platinum nanowires grown on two-dimensional single-layered nickel hydroxide. Judicious surface chemistry to generate the fully exfoliated nickel hydroxide single layers is explored to be the key for controllable growth of ultrathin platinum nanowires with diameters of about 1.8 nm. Impressively, this hybrid nanomaterial exhibits superior electrocatalytic activity for hydrogen evolution reaction in alkaline solution, which outperforms currently reported catalysts, and the obviously improved catalytic stability. We believe that this work may lead towards the development of singlelayered metal hydroxide-based hybrid materials for applications in catalysis and energy conversion.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

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Ultrathin platinum nanowires grown on single-layered nickel hydroxide with high hydrogen evolution activity

et al. 2015

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“…Nanosheets prepared by exfoliation of layered materials are single crystals with a thicknesses on the order of molecular sizes [1][2][3][4][5][6][7][8][9]. For example, oxide [1][2][3][4][5], hydroxide [6][7][8] and grapheme nanosheets [9] have been investigated for various potential applications, including fillers, cosmetics, ultraviolet OPEN ACCESS protection films and high-speed transistors.…”

Section: Introductionmentioning

confidence: 99%

“…For example, oxide [1][2][3][4][5], hydroxide [6][7][8] and grapheme nanosheets [9] have been investigated for various potential applications, including fillers, cosmetics, ultraviolet OPEN ACCESS protection films and high-speed transistors. We have been focusing on the photocatalytic property of nanosheets.…”

Section: Introductionmentioning

confidence: 99%

Preparation and Photocatalytic Properties of Sr2−xBaxTa3O10−yNz Nanosheets

et al. 2013

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Sr 2−x Ba x Ta 3 O 10−y N z (x = 0.0, 0.5, 1.0) nanosheets were prepared by exfoliating layered perovskite compounds (CsSr 2−x Ba x Ta 3 O 10−y N z ). The Sr 1.5 Ba 0.5 Ta 3 O 9.7 N 0.2 nanosheet showed the highest photocatalytic activity for H 2 production from the water/methanol system among the Sr 2−x Ba x Ta 3 O 9.7 N 0.2 nanosheets prepared. In addition, Rh-loaded Sr 1.5 Ba 0.5 Ta 3 O 9.6 N 0.3 nanosheet showed the photocatalytic activity for oxygen and hydrogen production from water. The ratio of hydrogen to oxygen evolved was around two. These results indicate that the Rh-loaded Sr 1.5 Ba 0.5 Ta 3 O 9.6 N 0.3 nanosheet is a potential catalyst for photocatalytic water splitting.

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Layered Materials: Oxides and Hydroxides

Ida

2017

Handbook of Solid State Chemistry

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Layered compounds exhibit various properties based on their layered structures. The most typical chemical property is the intercalation reaction, which most layered oxides and hydroxides possess and which is important for the charge–discharge of secondary batteries and the preparation of new layered compounds. Layered materials have been a focus in the fields of superconductors, ferromagnetics, thermoelectrics, cosmetics, and photocatalytic materials, where investigations have been conducted for a wide range of applications. Therefore, although it is not possible to introduce all of the layered oxides and hydroxides here, their fundamental properties and reactions are often dependent on the transition metal elements in the layered structure. In this chapter, the fundamental structures and properties of layered perovskite oxides, layered oxides (cobalt, manganese, copper, titanium, niobium), and layered double hydroxides are described. In addition, exfoliation of the layered structures and the formation of layered structures using nanosheets are introduced.

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Synthesis of Hexagonal Nickel Hydroxide Nanosheets by Exfoliation of Layered Nickel Hydroxide Intercalated with Dodecyl Sulfate Ions

Cited by 221 publications

References 17 publications

Ultrathin platinum nanowires grown on single-layered nickel hydroxide with high hydrogen evolution activity

Ultrathin platinum nanowires grown on single-layered nickel hydroxide with high hydrogen evolution activity

Preparation and Photocatalytic Properties of Sr2−xBaxTa3O10−yNz Nanosheets

Layered Materials: Oxides and Hydroxides

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