Overgrowth of rhodium on gold nanorods

Ruth Chantry; Wilai Siriwatcharapiboon; Sarah Horswell; AJ Logsdail; Roy Johnston; Zi Li

doi:10.1021/jp212432g

Overgrowth of rhodium on gold nanorods

Ruth Chantry, Wilai Siriwatcharapiboon, Sarah Horswell, AJ Logsdail, Roy Johnston, Zi Li

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Abstract

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.

Original language	English
Pages (from-to)	10312-10317
Number of pages	6
Journal	Journal of Physical Chemistry C
Volume	116
Issue number	18
Early online date	16 Apr 2012
DOIs	https://doi.org/10.1021/jp212432g
Publication status	Published - 10 May 2012

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10.1021/jp212432g

Li_Overgrowth_rhodium_JPCC_2012
© 2012 American Chemical Society ACS Author Choice Eligibility for repository : checked 26/02/2014
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Towards an Atomic-scale understanding of the 3D Structures of size-selected Clusters on Surfaces
Li, Z. (Principal Investigator), Johnston, R. (Co-Investigator) & Palmer, R. (Co-Investigator)
Engineering & Physical Science Research Council
1/02/10 → 17/01/14
Project: Research Councils
Structures and Stabilities of Nanoscale Bimetallic Clusters
Li, Z. (Principal Investigator)
Engineering & Physical Science Research Council
7/06/06 → 6/12/09
Project: Research Councils

Cite this

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title = "Overgrowth of rhodium on gold nanorods",

abstract = "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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AU - Chantry, Ruth

AU - Siriwatcharapiboon, Wilai

AU - Horswell, Sarah

AU - Logsdail, AJ

AU - Johnston, Roy

AU - Li, Zi

PY - 2012/5/10

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N2 - 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.

AB - 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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Overgrowth of rhodium on gold nanorods

Abstract

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Projects

Towards an Atomic-scale understanding of the 3D Structures of size-selected Clusters on Surfaces

Structures and Stabilities of Nanoscale Bimetallic Clusters

Cite this