Paper Title:
Formation of Nanoporous Gold by Chemical Dealloying of an AlAu Intermetallic Compound
  Abstract

Here, we report the synthesis of nanoporous gold (NPG) with a uniform structure by chemical dealloying of an AlAu intermetallic compound under free corrosion conditions. The length scales of ligaments/channels in NPG can be tuned by changing the dealloying solution. We verify that Cl- can accelerate the surface diffusion of Au atoms and induce the coarsening of ligaments/channels in NPG. In addition, a metastable intermediate Al2Au5 phase appears during the dealloying of AlAu.

  Info
Periodical
Advanced Materials Research (Volumes 236-238)
Edited by
Zhong Cao, Yinghe He, Lixian Sun and Xueqiang Cao
Pages
2092-2096
DOI
10.4028/www.scientific.net/AMR.236-238.2092
Citation
J. K. Lin, Z. H. Zhang, "Formation of Nanoporous Gold by Chemical Dealloying of an AlAu Intermetallic Compound", Advanced Materials Research, Vols. 236-238, pp. 2092-2096, 2011
Online since
May 2011
Export
Price
$32.00
Share

In order to see related information, you need to Login.

In order to see related information, you need to Login.

Authors: Walter Kenji Yoshito, Nildemar A.M. Ferreira, Ana Carolina S. Coutinho Rumbao, Dolores Ribeiro Ricci Lazar, Valter Ussui
Abstract:Titania ceramics have many applications due to its surface properties and, recently, its nanostructured compounds, prepared by hydrothermal...
788
Authors: Qing Jun Chen, Lin Li Hu, Xian Liang Zhou, Xiao Zhen Hua, Ying Jun Yang
Surface Engineering/Coatings
Abstract:The purpose of this study is to investigate the electrochemical properties of...
65
Authors: Ze Liu, Jian Min Zeng, Hai Hong Zhan
Chapter 8: Material Processing Technology
Abstract:High-entropy alloy of NiCoCrFeMnCuC were made by vacuum non-consumable arc furnace in the present work. The crystal structure of...
1816
Authors: Biao Tang, Min Zhou, Rui Zhou, Peng Fei Bai, Guo Fu Zhou
Chapter 2: Materials in Mechanical Engineering
Abstract:A nanoporous copper (NPC) sample with well-ordered porosity of 20 nm was fabricated by an electrochemical dealloying single-phase Cu0.4Mn0.6...
662