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나노물질 및 화학반응 연구단
나노물질 및 화학반응 연구단
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Monodisperse pattern nanoalloying for synergistic intermetallic catalysis

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Title
Monodisperse pattern nanoalloying for synergistic intermetallic catalysis
Author(s)
Jeong Ho Mun; Yun Hee Chang; Shin D.O.; Jong Moon Yoon; Dong Sung Choi; Lee K.M.; Ju Young Kim; Seung Keun Cha; Jeong Yong Lee; Jeong J.R.; Yong-Hyun Kim; Sang Ouk Kim
Publication Date
2013-11
Journal
NANO LETTERS, v.13, no.11, pp.5720 - 5726
Publisher
AMER CHEMICAL SOC
Abstract
Nanoscale alloys attract enormous research attentions in catalysis, magnetics, plasmonics and so on. Along with multicomponent synergy, quantum confinement and extreme large surface area of nanoalloys offer novel material properties, precisely and broadly tunable with chemical composition and nanoscale dimension. Despite substantial progress of nanoalloy synthesis, the randomized positional arrangement and dimensional/compositional inhomogeneity of nanoalloys remain significant technological challenges for advanced applications. Here we present a generalized route to synthesize single-crystalline intermetallic nanoalloy arrays with dimensional and compositional uniformity via self-assembly. Specific electrostatic association of multiple ionic metal complexes within self-assembled nanodomains of block copolymers generated patterned monodisperse bimetallic/trimetallic nanoalloy arrays consisting of various elements, including Au, Co, Fe, Pd, and Pt. The precise controllability of size, composition, and intermetallic crystalline structure of nanoalloys facilitated tailored synergistic properties, such as accelerated catalytic growth of vertical carbon nanotubes from Fe-Co nanoalloy arrays. © 2013 American Chemical Society.
URI
https://pr.ibs.re.kr/handle/8788114/1213
ISSN
1530-6984
Appears in Collections:
Center for Nanomaterials and Chemical Reactions(나노물질 및 화학반응 연구단) > Journal Papers (저널논문)
Files in This Item:
39_IBS CA1301-2_Nanoletters_online_Monodisperse Pattern Nanoalloying for Synergistic Intermetallic.pdfDownload

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