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Fabrication of Periodic Gold Nanocup Arrays Using Colloidal Lithography

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Published on: September 2, 2017

Colloidal Gold Nanocups with Orientation-Dependent Plasmonic Properties.

Ruibin Jiang^1,2, Feng Qin¹, Yejing Liu³

¹Department of Physics, The Chinese University of Hong Kong, Shatin, Hong Kong, SAR China.

Advanced Materials (Deerfield Beach, Fla.)

|May 12, 2016

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Synthesized colloidal gold nanocups exhibit strong magnetic plasmon resonance. Their orientation-dependent optical properties and light-coupling capabilities offer new possibilities for plasmonic applications.

Area of Science:

Nanotechnology
Materials Science
Plasmonics

Background:

Colloidal nanoparticles offer tunable optical properties.
Controlling nanoparticle morphology is crucial for advanced applications.
Plasmonic nanostructures are key for light manipulation.

Purpose of the Study:

To synthesize novel colloidal gold nanocups.
To investigate their magnetic plasmon resonance.
To explore their orientation-dependent optical behavior and light-coupling capabilities.

Main Methods:

Single-vertex-initiated gold deposition on lead sulfide (PbS) nanooctahedrons.
Selective dissolution of the PbS core to form nanocups.
Characterization of plasmonic properties and light-matter interactions.

Keywords:

PbS nanocrystals gold nanocups heteronanostructures plasmon resonance surface-enhanced Raman scattering

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Last Updated: Mar 21, 2026

Fabrication of Periodic Gold Nanocup Arrays Using Colloidal Lithography

Fabrication of Periodic Gold Nanocup Arrays Using Colloidal Lithography

Published on: September 2, 2017

Colloidal Synthesis of Nanopatch Antennas for Applications in Plasmonics and Nanophotonics

Colloidal Synthesis of Nanopatch Antennas for Applications in Plasmonics and Nanophotonics

Published on: May 28, 2016

Synthesis, Characterization, and Functionalization of Hybrid Au/CdS and Au/ZnS Core/Shell Nanoparticles

Synthesis, Characterization, and Functionalization of Hybrid Au/CdS and Au/ZnS Core/Shell Nanoparticles

Published on: March 2, 2016

Main Results:

Successfully synthesized gold nanocups with strong magnetic plasmon resonance.
Observed significant orientation-dependent plasmonic properties on flat substrates.
Demonstrated effective coupling of s-polarized light into the nanocup-substrate interface.

Conclusions:

The synthesized gold nanocups possess unique plasmonic characteristics.
Their tunable optical properties and light-coupling abilities are promising for nanophotonics.
This work provides a new route for designing advanced plasmonic nanomaterials.