title: Post-synthesis dispersion of metal nanoparticles by poly(amidoamine) dendrimers: size-selective inclusion, water solubilization, and improved catalytic performance.
abstract: Intermetallic Pt(3)Ti nanoparticles are solubilized in water by using a generation-five, hydroxyl-terminated, poly(amidoamine) dendrimer, G5OH, as a post-synthesis surfactant. Pt(3)Ti nanoparticles, encapsulated in G5OH and dispersed over the electrode surface, exhibited a superior catalytic activity toward the electro-reduction reaction of oxygen compared to as-prepared, highly agglomerated nanoparticles.
authors.affiliation: Research Unit for Environmental Remediation Materials, National Institute for Materials Science, 1-2-1 Sengen, Tsukuba, Ibaraki, 305-0047, Japan. SARAVANAN.Govindachetty@nims.go.jp
authors.forename: Govindachetty
authors.initials: G
authors.lastname: Saravanan
authors.forename: Toru
authors.initials: T
authors.lastname: Hara
authors.forename: Hideki
authors.initials: H
authors.lastname: Yoshikawa
authors.forename: Yoshiyuki
authors.initials: Y
authors.lastname: Yamashita
authors.forename: Shigenori
authors.initials: S
authors.lastname: Ueda
authors.forename: Keisuke
authors.initials: K
authors.lastname: Kobayashi
authors.forename: Hideki
authors.initials: H
authors.lastname: Abe