title: Nanofabrication of highly ordered, tunable metallic mesostructures via quasi-hard-templating of lyotropic liquid crystals.
abstract: The synthesis of metal frameworks perforated with nanotunnels is a challenge because metals have high surface energies that favor low surface area structures; traditional liquid-crystal templating techniques cannot achieve the synthetic control required. We report a synthetic strategy to fabricate metal nanomaterials with highly ordered, tunable mesostructures in confined systems based on a new quasi-hard-templating liquid-crystals mechanism. The resulting platinum nanowires exhibit long range two-dimensional hexagonally ordered mesopore structures. In addition, single crystalline hexagonal mesoporous platinum nanowires with dominant {110} facets have been synthesized. Finally, we demonstrate that the mesostructures of metal nanomaterials can be tuned from hexagonal to lamellar mesostructures.
authors.affiliation: School of Chemistry, Monash University, Clayton, VIC3800, Australia.
authors.forename: Xinyi
authors.initials: X
authors.lastname: Zhang
authors.affiliation: Department of Applied Physics and Materials Research Centre, The Hong Kong Polytechnic University, Kowloon, Hong Kong, P.R. China.
authors.forename: Wei
authors.initials: W
authors.lastname: Lu
authors.affiliation: Department of Applied Physics and Materials Research Centre, The Hong Kong Polytechnic University, Kowloon, Hong Kong, P.R. China.
authors.forename: Jiyan
authors.initials: J
authors.lastname: Dai
authors.affiliation: Monash Centre For Electron Microscopy and Department of Materials Engineering, Monash University, Clayton, VIC3800, Australia.
authors.forename: Laure
authors.initials: L
authors.lastname: Bourgeois
authors.affiliation: Department of Chemical Engineering, Monash University, Clayton, VIC3800, Australia.
authors.forename: Jianfeng
authors.initials: J
authors.lastname: Yao
authors.affiliation: Department of Chemical Engineering, Monash University, Clayton, VIC3800, Australia.
authors.forename: Huanting
authors.initials: H
authors.lastname: Wang
authors.affiliation: Micro/Nanophysics Research Laboratory, RMIT University, Melbourne, VIC 3000 (Australia).
authors.forename: James R
authors.initials: JR
authors.lastname: Friend
authors.affiliation: Department of Chemical Engineering, Monash University, Clayton, VIC3800, Australia.
authors.forename: Dongyuan
authors.initials: D
authors.lastname: Zhao
authors.affiliation: School of Chemistry, Monash University, Clayton, VIC3800, Australia.
authors.forename: Douglas R
authors.initials: DR
authors.lastname: MacFarlane