Mesoporous Pt/Ru Alloy from the Hexagonal Lyotropic Liquid Crystalline Phase of a Nonionic Surfactant

Attard, George S.; Leclerc, Stéphane A.A.; Maniguet, Stephanie; Russell, Andrea E.; Nandhakumar, Iris; Bartlett, Philip N.

doi:10.1021/cm000850d

Cited by 133 publications

(99 citation statements)

References 15 publications

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“…Moreover, Attard's group prepared a variety of nanostructured materials through this LC template method, including mesoporous tin films [59], mesoporous Ni/Ni oxide [60], nanostructured Pd/Pt films [61], nanostructured Pt films [62] and mesoporous Pt/Ru alloy [63]. It is proved that electrodeposition of metals from the H 1 hexagonal phase of nonionic LLC phases can produce films containing regular arrays of uniform pores whose dimensions are determined by those of the micelles in the 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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“…By controlling the bath conditions, the composition of the metal framework can be varied. [90] The composition of the Pt-Ni alloys thus can be varied even though the standard potentials of Pt and Ni are so different. The resulting mesoporous Pt-Ni alloys are small particles less than 100 nm in size and exhibit specific surface areas of up to 40 m 2 g -1 .…”

Section: Metalsmentioning

confidence: 99%

Beyond Silica: Nonoxidic Mesostructured Materials

2007

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Recent advances in the design and synthesis of mesostructured and mesoporous materials with nonoxide frameworks are reviewed. Chalcogenides comprise the most important class, and all possible pore arrangements known for silica can be achieved in these materials. The special molecular chemistry that leads to organized nonoxidic mesostructures that have a variety of compositions, pore sizes, and semiconductor bandgaps is presented. Also reviewed are recent developments in mesoporous elements, such as metals and germanium. The goal in research on mesoporous semiconductors is to create materials scaffolds with new physical phenomena that derive from the combined characteristics of long‐range porosity and electronic and optical properties.

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“…Work has been directed toward the synthesis of nanoparticles (nanowires) of the metals, such as palladium [20][21][22][23][24][25][26][27][28][29][30][31][32][33], platinum [8,20,[34][35][36][37][38][39][40], ruthenium [41][42][43][44][45][46][47], gold [48][49][50][51], silver [36,52], within the channels of mesoporous silicates, mainly, MCM-41. The metals were introduced into the support either directly during the mesoporous silicate synthesis, or by post-synthesis treatment.…”

Section: Introductionmentioning

confidence: 99%