Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Search research articles

Related Experiment Video

Updated: May 19, 2026

Large Area Substrate-Based Nanofabrication of Controllable and Customizable Gold Nanoparticles Via Capped Dewetting

Large Area Substrate-Based Nanofabrication of Controllable and Customizable Gold Nanoparticles Via Capped Dewetting

Published on: February 26, 2019

Wettability control by laser texturing process generating localized gold nanoparticles on polymeric thin films.

F Spano¹, A Castellano, A Massaro

¹Italian Institute of Technology IIT, Center of Bio-Molecular Nanotechnologies, Arnesano, 73100, Italy.

Journal of Nanoscience and Nanotechnology

|August 22, 2012

Summary

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Genotyping of European Toxoplasma gondii strains by a new high-resolution next-generation sequencing-based method.

European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology·2023

Same author

Ab Initio Phase Diagram of Gold in Extreme Conditions.

Physical review letters·2023

Same author

Observation of Single-Top-Quark Production in Association with a Photon Using the ATLAS Detector.

Physical review letters·2023

Same author

Observation of the γγ→ττ Process in Pb+Pb Collisions and Constraints on the τ-Lepton Anomalous Magnetic Moment with the ATLAS Detector.

Physical review letters·2023

Same author

Strong Constraints on Jet Quenching in Centrality-Dependent p+Pb Collisions at 5.02 TeV from ATLAS.

Physical review letters·2023

Same author

Search for Heavy Neutral Leptons in Decays of W Bosons Using a Dilepton Displaced Vertex in sqrt[s]=13 TeV pp Collisions with the ATLAS Detector.

Physical review letters·2023

Researchers developed a new laser texturing method to control surface wettability. UV laser irradiation creates and patterns gold nanoparticles on chitosan films, tuning their size and density for specific surface properties.

Area of Science:

Materials Science
Nanotechnology
Surface Chemistry

Background:

Controlling surface properties is crucial for material applications.
Laser-based methods offer precise surface modification capabilities.
Chitosan films are versatile polymeric materials with potential for surface functionalization.

Purpose of the Study:

To introduce a novel UV laser texturing approach for surface property control.
To investigate the photolytic creation and patterning of gold nanoparticles on chitosan films.
To establish the relationship between gold nanoparticle characteristics and surface wettability.

Main Methods:

Immersion of chitosan films in chloroauric acid salt solution.
UV laser irradiation for photolytic gold nanoparticle formation and patterning.

More Related Videos

Fabrication of Periodic Gold Nanocup Arrays Using Colloidal Lithography

Fabrication of Periodic Gold Nanocup Arrays Using Colloidal Lithography

Published on: September 2, 2017

Microfabrication of Nanoporous Gold Patterns for Cell-material Interaction Studies

Microfabrication of Nanoporous Gold Patterns for Cell-material Interaction Studies

Published on: July 15, 2013

Related Experiment Videos

Last Updated: May 19, 2026

Large Area Substrate-Based Nanofabrication of Controllable and Customizable Gold Nanoparticles Via Capped Dewetting

Large Area Substrate-Based Nanofabrication of Controllable and Customizable Gold Nanoparticles Via Capped Dewetting

Published on: February 26, 2019

Fabrication of Periodic Gold Nanocup Arrays Using Colloidal Lithography

Fabrication of Periodic Gold Nanocup Arrays Using Colloidal Lithography

Published on: September 2, 2017

Microfabrication of Nanoporous Gold Patterns for Cell-material Interaction Studies

Microfabrication of Nanoporous Gold Patterns for Cell-material Interaction Studies

Published on: July 15, 2013

Atomic Force Microscopy (AFM) and Scanning Electron Microscopy (SEM) for surface characterization.

Contact angle measurements to assess surface wettability.

Main Results:

Successful creation of localized gold nanoparticle patterns on chitosan surfaces via UV laser irradiation.
Demonstrated tunability of gold nanoparticle size (nanoscale) and density.
Established a correlation between gold nanoparticle size and surface wettability.
Identified laser intensity, irradiation time, and film thickness as key factors influencing nanoparticle formation.

Conclusions:

UV laser texturing provides an effective method for precise control over surface wettability of chitosan films.
The photolytic process enables tailored design of nanoscale gold features for specific surface functionalities.
This technique offers a pathway for developing advanced materials with tunable surface properties.