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Updated: Feb 24, 2026

A Technique to Functionalize and Self-assemble Macroscopic Nanoparticle-ligand Monolayer Films onto Template-free Substrates

A Technique to Functionalize and Self-assemble Macroscopic Nanoparticle-ligand Monolayer Films onto Template-free Substrates

Published on: May 9, 2014

Self-assembly based plasmonic nanoparticle array coupling with hexagonal boron nitride nanosheets.

Wei Gao¹, Yan Zhao, Hong Yin

¹State Key Lab of Superhard Materials, Jilin University, Qianjin Street 2699, Changchun, 130012, P. R. China. hyin@jlu.edu.cn.

|August 24, 2017

Summary

This summary is machine-generated.

This study details fabricating hexagonal boron nitride nanosheet (BNNS)/gold nanoparticle (Au NP) composites. The research explores plasmon resonance and charge transfer at the metal/BNNS interface, crucial for nanodevice development.

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Last Updated: Feb 24, 2026

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Published on: July 9, 2015

Area of Science:

Materials Science
Nanotechnology
Physical Chemistry

Background:

Hexagonal boron nitride nanosheets (BNNS) and plasmonic nanoparticles (NPs) are key components for advanced nanodevices.
Understanding the interface between metals and BNNS is critical for optimizing plasmaron-based applications.

Purpose of the Study:

To develop a scalable method for fabricating BNNS/Au NP nanocomposites.
To investigate the physical interactions, including coupling, work function, charge transfer, and surface-enhanced Raman scattering (SERS), at the metal/BNNS interface.
To elucidate the mechanisms behind Raman enhancement in these hybrid systems.

Main Methods:

Utilized diblock copolymer-based nanoparticle arrays for controlled gold nanoparticle (Au NP) synthesis.
Fabricated large-scale BNNS/Au NP nanocomposites by directly bonding Au NP arrays to BNNS.
Employed surface-enhanced Raman scattering (SERS) to probe BNNS phonon modes and analyze interface interactions.

Main Results:

Demonstrated that local surface plasmon resonance (LSPR) of Au NPs below BNNS enhances Raman signals via an electromagnetic mechanism.
Showcased that charge transfer at the metal/BNNS interface contributes significantly to chemical enhancement in encapsulated systems.
Revealed the dependence of plasmon resonance and charge-based interactions on the specific metal/BNNS interface configuration.

Conclusions:

This work presents the first study on the evolution of plasmon resonance and charge interactions at the metal/BNNS interface.
The findings provide fundamental insights for advancing BNNS-based plasmonics, optoelectronics, and electronics.
The developed fabrication method offers a scalable approach for creating functional BNNS/metal nanocomposites.