Overgrowth of Rhodium on Gold Nanorods | Zendy

Ruth L. Chantry | Zendy; Wilai Siriwatcharapiboon | Zendy; Sarah L. Horswell | Zendy; Andrew J. Logsdail | Zendy; Roy L. Johnston | Zendy; Z. Y. Li | Zendy

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Overgrowth of Rhodium on Gold Nanorods

Author(s) -

Ruth L. Chantry,

Wilai Siriwatcharapiboon,

Sarah L. Horswell,

Andrew J. Logsdail,

Roy L. Johnston,

Z. Y. Li

Publication year - 2012

Publication title -

the journal of physical chemistry c

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.401

H-Index - 289

eISSN - 1932-7455

pISSN - 1932-7447

DOI - 10.1021/jp212432g

Subject(s) - rhodium , overlayer , nanorod , spectroscopy , deposition (geology) , transmission electron microscopy , metal , scanning electron microscope , colloidal gold , chemistry , materials science , absorption spectroscopy , morphology (biology) , nanotechnology , chemical engineering , nanoparticle , optics , catalysis , metallurgy , organic chemistry , physics , paleontology , engineering , quantum mechanics , sediment , composite material , genetics , biology

This study focuses on the deposition and growth mode of rhodium (Rh) on gold (Au) seed nanorods (NRs). Using a combination of scanning transmission electron microscopy imaging, energy-dispersive X-ray spectroscopy, and UV-visible absorption spectroscopy, we show that Rh deposition results in an uneven overlayer morphology on the Au NR seeds, with a tendency for Rh deposition to occur preferentially on the Au NR ends. The results suggest that complex and kinetically driven metal-metal interactions take place in this system.

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