Silicon/silicide grown out of nanoporous gold nanoparticles

2013 ◽  
Vol 210 (8) ◽  
pp. 1512-1515 ◽  
Author(s):  
Dong Wang ◽  
Peter Schaaf
Keyword(s):  
Gold Nanoparticles ◽  
Nanoporous Gold

Surface-engineered nanoporous gold nanoparticles for light-triggered drug release

2020 ◽  
Vol 106 ◽  
pp. 109985 ◽  
Author(s):  
Tae Yeon Kang ◽  
Kyeongsoon Park ◽  
Seung Hae Kwon ◽  
Weon-Sik Chae
Keyword(s):  
Gold Nanoparticles ◽  
Drug Release ◽  
Nanoporous Gold ◽  
Triggered Drug Release

Internal and external morphology-dependent plasmonic resonance in monolithic nanoporous gold nanoparticles

RSC Advances ◽  
2014 ◽  
Vol 4 (69) ◽  
pp. 36682-36688 ◽  
Author(s):  
Jianbo Zeng ◽  
Fusheng Zhao ◽  
Ji Qi ◽  
Yifei Li ◽  
Chien-Hung Li ◽  
...  
Keyword(s):  
Gold Nanoparticles ◽  
Nanoporous Gold ◽  
External Morphology ◽  
Plasmonic Resonance ◽  
Porous Network ◽  
Lithographic Patterning

We report morphology-dependent plasmonic resonance in monolithic nanoporous gold nanoparticles with a nanoscale internal porous network produced by the combination of lithographic patterning and dealloying.

scholarly journals Ordered arrays of nanoporous gold nanoparticles

2012 ◽  
Vol 3 ◽  
pp. 651-657 ◽  
Author(s):  
Dong Wang ◽  
Ran Ji ◽  
Arne Albrecht ◽  
Peter Schaaf
Keyword(s):  
Particle Size ◽  
Gold Nanoparticles ◽  
Metal Layer ◽  
Nanoporous Gold ◽  
Alloy Nanoparticles ◽  
Top Down ◽  
Particle Spacing ◽  
Ordered Arrays ◽  
New Type ◽  
Ligament Size

A combination of a “top-down” approach (substrate-conformal imprint lithography) and two “bottom-up” approaches (dewetting and dealloying) enables fabrication of perfectly ordered 2-dimensional arrays of nanoporous gold nanoparticles. The dewetting of Au/Ag bilayers on the periodically prepatterned substrates leads to the interdiffusion of Au and Ag and the formation of an array of Au–Ag alloy nanoparticles. The array of alloy nanoparticles is transformed into an array of nanoporous gold nanoparticles by a following dealloying step. Large areas of this new type of material arrangement can be realized with this technique. In addition, this technique allows for the control of particle size, particle spacing, and ligament size (or pore size) by varying the period of the structure, total metal layer thickness, and the thickness ratio of the as-deposited bilayers.

scholarly journals Chemically controlled interfacial nanoparticle assembly into nanoporous gold films for electrochemical applications

2018 ◽  
Vol 6 (2) ◽  
pp. 556-564 ◽  
Author(s):  
Mikkel U.-B. Christiansen ◽  
Nedjeljko Seselj ◽  
Christian Engelbrekt ◽  
Michal Wagner ◽  
Frederick N. Stappen ◽  
...  
Keyword(s):  
Gold Nanoparticles ◽  
Self Assembly ◽  
Nanoporous Gold ◽  
Nanoparticle Assembly ◽  
Gold Films ◽  
Electrochemical Applications ◽  
Air Interface

Nanoporous gold (NPG) is an effective material for electrocatalysis and can be made by self-assembly of gold nanoparticles at liquid–air interface.

Tunable plasmon resonance of semi-spherical nanoporous gold nanoparticles

2014 ◽  
Vol 1 (3) ◽  
pp. 035018 ◽  
Author(s):  
Pratap K Sahoo ◽  
Dong Wang ◽  
Peter Schaaf
Keyword(s):  
Gold Nanoparticles ◽  
Plasmon Resonance ◽  
Nanoporous Gold
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