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Title: Gold Nanoparticle Monolayers with Tunable Optical and Electrical Properties

Journal Article · · Langmuir
 [1];  [2];  [2];  [2];  [1]
  1. Florida State Univ., Tallahassee, FL (United States); Florida A & M University, Tallahassee, FL (United States)
  2. Florida State Univ., Tallahassee, FL (United States)

In this work, centimeter-scale gold nanoparticle (Au NP) monolayer films have been fabricated using a water/organic solvent self-assembly strategy. A recently developed approach, drain to deposit, is demonstrated to be most effective in transferring the Au NP films from the water/organic solvent interface to various solid substrates while maintaining their integrity. The interparticle spacing was tuned from 1.4 to 3.1 nm using alkylamine ligands of different lengths. The ordering of the films increased with increasing ligand length. The surface plasmon resonance and the in-plane electrical conductivity of the Au NP films both exhibit an exponential dependence on the interparticle spacing. These findings show great potential in scaling up the manufacturing of high-performance optical and electronic devices based on two-dimensional metallic nanoparticle superlattices.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States). Advanced Photon Source (APS)
Sponsoring Organization:
National Science Foundation (NSF); State of Florida; USDOE
Grant/Contract Number:
DMR-1308613; AC02-06CH11357
OSTI ID:
1249258
Journal Information:
Langmuir, Vol. 32, Issue 16; ISSN 0743-7463
Publisher:
American Chemical SocietyCopyright Statement
Country of Publication:
United States
Language:
ENGLISH
Citation Metrics:
Cited by: 54 works
Citation information provided by
Web of Science

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Scaling Laws for Polymer Chains Grafted onto Nanoparticles journal February 2018
Probing Electrolyte Solvents at Solid/Liquid Interface Using Gap-Mode Surface-Enhanced Raman Spectroscopy journal January 2019
Sensitive and Reliable SERS Substrates Based on Hierarchical Nanoparticle Arrays Fabricated by Confined Spheroidization journal July 2019
Conforming nanoparticle sheets to surfaces with Gaussian curvature journal January 2018
Convective combined interfacial assembly of surfactantless ordered Au nanoparticles and SERS performance journal April 2019
Improving SERS hot spots for on-site pesticide detection by combining silver nanoparticles with nanowires journal January 2018
Gold nanoparticle layer: a versatile nanostructured platform for biomedical applications journal January 2018
Conforming nanoparticle sheets to surfaces with Gaussian curvature text January 2018
Preparation of Gold Nanocomposites with Tunable Charge and Hydrophobicity via the Application of Polymer/Surfactant Complexation journal December 2017
Gold Nanoparticle Monolayers from Sequential Interfacial Ligand Exchange and Migration in a Three-Phase System journal October 2016

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