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Related Experiment Video

Updated: Jul 16, 2026

Synthesis, Characterization, and Functionalization of Hybrid Au/CdS and Au/ZnS Core/Shell Nanoparticles
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Published on: March 2, 2016

Multidentate Triazole Coordination Unlocks Color-Tunable Plasmonic Gold Nanoparticle Films to Achieve High Catalytic

Tuo Li1, Jiehui Cao1, Zipeng Deng1

  • 1Flexible Circuit Laboratory, School of Materials Science & Engineering, Shanghai University, Shanghai, China.

Small Methods
|July 15, 2026
PubMed
Summary

We developed a ligand-engineering strategy to control gold nanoparticle (AuNP) assembly into functional films. This method enables tunable colors and enhances catalytic activity for applications in catalysis and optoelectronics.

Keywords:
2‐nitrophenolcatalysisgold nanoparticleshybrid filmhydrazine grouplocalized surface plasmontriazole

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Last Updated: Jul 16, 2026

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In Situ Synthesis of Gold Nanoparticles without Aggregation in the Interlayer Space of Layered Titanate Transparent Films

Published on: January 17, 2017

Area of Science:

  • Materials Science
  • Nanotechnology
  • Chemical Engineering

Background:

  • Gold nanoparticles (AuNPs) show potential in catalysis and optoelectronics.
  • Aggregation and poor processability limit practical applications of AuNPs.

Purpose of the Study:

  • To engineer ligand-based strategies for controlling AuNP assembly into functional hybrid films.
  • To establish a structure-property framework linking ligand multifunctionality to thin-film performance.

Main Methods:

  • Utilized a solution compounding-vacuum filtration-thermal curing route.
  • Employed four structurally related 1,2,4-triazole multidentate molecules with varying coordination complexity.
  • Analyzed film properties using X-ray photoelectron spectroscopy (XPS), X-ray diffraction (XRD), and scanning electron microscopy (SEM).

Main Results:

  • Ligand structure dictates AuNP assembly, interparticle plasmonic coupling, and color.
  • Achieved ligand-programmed color tuning from wine-red to gray-brown.
  • The C2H6N6S-modified film exhibited superior catalytic activity for 2-nitrophenol reduction (complete conversion in 14 min) and stability (95% after nine cycles).

Conclusions:

  • Multidentate ligand coordination (C2H6N6S) promotes dense packing, electronic modulation, and structural stability in AuNP films.
  • Demonstrated a rational design principle for engineering AuNP-based hybrid materials.
  • Established a link between ligand design and thin-film performance for catalysis and optoelectronics.