Facile fabrication of nanoparticles in the nanospace of ultrathin TiO 2-gel films: Composition, morphology and catalytic activity

Junhui He; Toyoki Kunitake

doi:10.1557/proc-794-t3.6

Facile fabrication of nanoparticles in the nanospace of ultrathin TiO ₂-gel films: Composition, morphology and catalytic activity

Junhui He
, Toyoki Kunitake

Research output: Contribution to journal › Conference article › peer-review

Abstract

In this article, we present in-situ synthesis of nanoparticles of various compositions and morphologies in the nanospace of ultrathin TiO₂-gel films using low temperature H₂ and O₂ plasmas as reductant and oxidant, respectively. Parameters that influence the formation of nanoparticles were investigated and discussed. Reversible chemical transformation was found to give monodisperse nanoparticles. Catalytic activities of Pd monometallic and Ag-core/Pd-shell bimetallic nanoparticles were tested for hydrogenation of methyl acrylate. The much enhanced catalytic activity is attributed mainly to a large ratio of the surface Pd atoms.

Original language	English
Pages (from-to)	23-28
Number of pages	6
Journal	Materials Research Society Symposium - Proceedings
Volume	794
DOIs	https://doi.org/10.1557/proc-794-t3.6
Publication status	Published - 2003
Externally published	Yes
Event	Self-Organized Processes in Semiconductor Heteroepitaxy - Boston, MA, United States Duration: Dec 1 2003 → Dec 5 2003

All Science Journal Classification (ASJC) codes

General Materials Science
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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title = "Facile fabrication of nanoparticles in the nanospace of ultrathin TiO 2-gel films: Composition, morphology and catalytic activity",

abstract = "In this article, we present in-situ synthesis of nanoparticles of various compositions and morphologies in the nanospace of ultrathin TiO2-gel films using low temperature H2 and O2 plasmas as reductant and oxidant, respectively. Parameters that influence the formation of nanoparticles were investigated and discussed. Reversible chemical transformation was found to give monodisperse nanoparticles. Catalytic activities of Pd monometallic and Ag-core/Pd-shell bimetallic nanoparticles were tested for hydrogenation of methyl acrylate. The much enhanced catalytic activity is attributed mainly to a large ratio of the surface Pd atoms.",

author = "Junhui He and Toyoki Kunitake",

year = "2003",

doi = "10.1557/proc-794-t3.6",

language = "English",

volume = "794",

pages = "23--28",

journal = "Materials Research Society Symposium - Proceedings",

issn = "0272-9172",

publisher = "Materials Research Society",

note = "Self-Organized Processes in Semiconductor Heteroepitaxy ; Conference date: 01-12-2003 Through 05-12-2003",

}

TY - JOUR

T1 - Facile fabrication of nanoparticles in the nanospace of ultrathin TiO 2-gel films

T2 - Self-Organized Processes in Semiconductor Heteroepitaxy

AU - He, Junhui

AU - Kunitake, Toyoki

PY - 2003

Y1 - 2003

N2 - In this article, we present in-situ synthesis of nanoparticles of various compositions and morphologies in the nanospace of ultrathin TiO2-gel films using low temperature H2 and O2 plasmas as reductant and oxidant, respectively. Parameters that influence the formation of nanoparticles were investigated and discussed. Reversible chemical transformation was found to give monodisperse nanoparticles. Catalytic activities of Pd monometallic and Ag-core/Pd-shell bimetallic nanoparticles were tested for hydrogenation of methyl acrylate. The much enhanced catalytic activity is attributed mainly to a large ratio of the surface Pd atoms.

AB - In this article, we present in-situ synthesis of nanoparticles of various compositions and morphologies in the nanospace of ultrathin TiO2-gel films using low temperature H2 and O2 plasmas as reductant and oxidant, respectively. Parameters that influence the formation of nanoparticles were investigated and discussed. Reversible chemical transformation was found to give monodisperse nanoparticles. Catalytic activities of Pd monometallic and Ag-core/Pd-shell bimetallic nanoparticles were tested for hydrogenation of methyl acrylate. The much enhanced catalytic activity is attributed mainly to a large ratio of the surface Pd atoms.

UR - https://www.scopus.com/pages/publications/2942653029

UR - https://www.scopus.com/pages/publications/2942653029#tab=citedBy

U2 - 10.1557/proc-794-t3.6

DO - 10.1557/proc-794-t3.6

M3 - Conference article

AN - SCOPUS:2942653029

SN - 0272-9172

VL - 794

SP - 23

EP - 28

JO - Materials Research Society Symposium - Proceedings

JF - Materials Research Society Symposium - Proceedings

Y2 - 1 December 2003 through 5 December 2003

ER -

Facile fabrication of nanoparticles in the nanospace of ultrathin TiO ₂-gel films: Composition, morphology and catalytic activity

Abstract

All Science Journal Classification (ASJC) codes

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