The preparation and characterisation of H1-e palladium films with a regular hexagonal nanostructure formed by electrochemical deposition from lyotropic liquid crystalline phases

Bartlett, P. N.; Gollas, Bernhard; Guérin, Samuel; Marwan, Jan

doi:10.1039/b201845d

Cited by 183 publications

(207 citation statements)

References 41 publications

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“…In principle, the LLC template method is applicable to a wide variety of metals through the electrochemical process because the approach involves just a simple replication of well-ordered LLC. Therefore, several additional examples have been reported for Ni/Co alloys [67], 3-D nanoporous Pt film [68], Co [69], Pd [70] and Rh [71]. In a word, mesostructured metal is typically achieved by reducing a suitable precursor dissolved in the aqueous domain of LLC phase.…”

Section: Aqueous Solution Electrodementioning

confidence: 99%

Lyotropic liquid crystal directed synthesis of nanostructured materials

Wang

Chen

Jiao

2009

Science and Technology of Advanced Materials

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This review introduces and summarizes lyotropic liquid crystal (LLC) directed syntheses of nanostructured materials consisting of porous nanostructures and zero-dimensional (0-D), one-dimensional (1-D) and two-dimensional (2-D) nanostructures. After a brief introduction to the liquid crystals, the LLCs used to prepare mesoporous materials are discussed; in particular, recent advances in controlling mesostructures are summarized. The LLC templates directing the syntheses of nanoparticles, nanorods, nanowires and nanoplates are also presented. Finally, future development in this field is discussed.

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Section: Aqueous Solution Electrodementioning

confidence: 99%

Lyotropic liquid crystal directed synthesis of nanostructured materials

Wang

Chen

Jiao

2009

Science and Technology of Advanced Materials

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“…167 Bartlett and co-workers successfully synthesized mesoporous Pd films by electrochemical deposition of Pd salts in a hexagonal (H I ) LLC made of C 16 EO 8 (octaethylene glycol monohexadecyl ether) and Brij 56 non-ionic surfactants. 168 Until now, a multitude of well-defined mesoporous metals with various compositions, such as Co, Ni, Rh, Sn, and Ge, have been synthesized by chemical or electrochemical deposition of metal ions in LLCs (Figure 14). 169179 Yamauchi et al also reported the synthesis of mesoporous Pt with three types of mesostructures including 2D-hexagonal, lamellar, and cage-type, by changing the composition ratio between the Pt salt and the block copolymers.…”

Section: Lyotropic Liquid Crystalsmentioning

confidence: 99%

Templated Synthesis for Nanoarchitectured Porous Materials

Malgras

Kamachi

et al. 2015

Bulletin of the Chemical Society of Japan

520

233

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“…Bartlett et al also demonstrated that mesoporous palladium films can be converted to the ¢-hydride phase and back to palladium without a change in mesoporosity. 201 High-surface-area mesoporous rhodium films were successfully synthesized using the LLCT method through electrochemical deposition. Moreover, the LLCT method was also applied for the fabrication of various other metals such as Co, Sn, and Ni using chemical or electrochemical reduction of the corresponding metal salts.…”

Section: Semiconductive Materials and Othersmentioning

confidence: 99%

Nanoarchitectonics for Mesoporous Materials

Ariga

Vinu

Yamauchi

et al. 2011

Bulletin of the Chemical Society of Japan

716

411

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Although mesoporous materials have well-defined pore structures, these fine materials can surprisingly be produced by employing a set of conventional and simple procedures such as mixing, heating, filtration, and washing, using low-cost materials. They can be regarded as easy-to-make bulk nanostructured materials. Mesoporous materials have great potential for use in both macroscopic applications and nanotechnology. In this account, we introduce examples of recent developments in mesoporous materials involving innovations in their components and structural designs and concentrating on our own recent progress. These examples include syntheses of mesoporous silica, metal oxides, semiconductive materials, metals, alloys, organic composites, biomaterial composites, carbon, carbon nitride, and boron nitride, as innovative components. As structural innovations for mesoporous materials, various film preparations, pore alignments, and hierarchic structures are described together with their related functions including sensing and controlled release of target molecules. Why Mesoporous Materials? Bulk Quantities and Precise StructuresThere is little doubt that nanotechnology and related technologies are making significant contributions to current research and development which will eventually be felt in our day-to-day lives. Device miniaturization in such products as cellular phones and portable computers has irrevocably changed our lifestyles. Portable devices allow us to work and communicate wherever we are in the world in contrast to the previous situation where machine operation required a human presence. Greater freedom in our work and leisure dispositions should diminish over-concentration of populations in cities and may ultimately reduce energy consumption and waste production.So far, device innovations have been due to development of top-down approaches, especially sophisticated microfabrication techniques. 17 However, those top-down techniques are not useful for materials innovation where chemical processes are used as the operating principle. Rather, so-called bottom-up approaches are expected to create novel functional materials having well-controlled structural features with nanometric precision. Bottom-up approaches rely on self-assembly processes to form selected structures through spontaneous association of atoms, molecules, clusters, and particles. 818 Furthermore, assisted assembly techniques using external influences are provided by LangmuirBlodgett (LB) method 1928 and layer-by-layer (LbL) adsorption 2936 and provide significant contributions for materials' fabrication. According to these concepts, molecular complex formation, 3741 molecular array control, 4252 and microscopic structural design 5361 have been widely investigated leading to generation of a large quantity of scientific knowledge.Ideally, materials should be produced in a series of easy processes to yield bulk quantity without loss of nanometric structural features and some categories of material already satisfy this condition. For exampl...

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The preparation and characterisation of H1-e palladium films with a regular hexagonal nanostructure formed by electrochemical deposition from lyotropic liquid crystalline phases

Cited by 183 publications

References 41 publications

Lyotropic liquid crystal directed synthesis of nanostructured materials

Lyotropic liquid crystal directed synthesis of nanostructured materials

Templated Synthesis for Nanoarchitectured Porous Materials

Nanoarchitectonics for Mesoporous Materials

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