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Title: Laser-Induced Self-Assembled Nanostructures on Electron-Transparent Substrates

Abstract

Currently, one of the challenges in high-resolution transmission electron microscopy (TEM) studies of nanomaterials is to make contamination-free materials in a simple and time-efficient way. We demonstrate a method that combines nanosecond-pulsed laser dewetting of thin films with a film float-off technique to realize nanostructures (NSs) on electron-transparent substrates in a robust and rapid manner. NSs of metal (Ag) and bimetals (AgCo, AuCo) ranging from 20 to 150 nm are synthesized on thin carbon film deposited on mica substrates. The NS/carbon system is subsequently transferred onto TEM grids by a float-off process resulting from debonding of the carbon from mica due to their contrasting hydrophobic nature. Our process enables the fabrication of different NSs on flexible and electron-transparent substrates.

Authors:
 [1];  [2];  [2];  [3];  [4];  [5];  [6]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Materials Science and Technology Division
  2. Univ. of Tennessee, Knoxville, TN (United States). Dept. of Chemical and Biomolecular Engineering
  3. Univ. of Tennessee, Knoxville, TN (United States). Dept. of Materials Science and Engineering
  4. Univ. of Tennessee, Knoxville, TN (United States). Dept. of Biology
  5. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Materials Science and Technology Division; Univ. of Tennessee, Knoxville, TN (United States). Dept. of Materials Science and Engineering
  6. Univ. of Tennessee, Knoxville, TN (United States). Dept. of Chemical and Biomolecular Engineering and Dept. of Materials Science and Engineering
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
OSTI Identifier:
1362210
DOE Contract Number:  
AC05-00OR22725; W911NF-13-1-0428
Resource Type:
Journal Article
Journal Name:
Particle & Particle Systems Characterization
Additional Journal Information:
Journal Volume: 32; Journal Issue: 4; Journal ID: ISSN 0934-0866
Publisher:
Wiley
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 77 NANOSCIENCE AND NANOTECHNOLOGY

Citation Formats

Sachan, Ritesh, Malasi, Abhinav, Yadavali, Sagar, Griffey, Blake, Dunlap, John, Duscher, Gerd, and Kalyanaraman, Ramki. Laser-Induced Self-Assembled Nanostructures on Electron-Transparent Substrates. United States: N. p., 2014. Web. doi:10.1002/ppsc.201400183.
Sachan, Ritesh, Malasi, Abhinav, Yadavali, Sagar, Griffey, Blake, Dunlap, John, Duscher, Gerd, & Kalyanaraman, Ramki. Laser-Induced Self-Assembled Nanostructures on Electron-Transparent Substrates. United States. doi:10.1002/ppsc.201400183.
Sachan, Ritesh, Malasi, Abhinav, Yadavali, Sagar, Griffey, Blake, Dunlap, John, Duscher, Gerd, and Kalyanaraman, Ramki. Tue . "Laser-Induced Self-Assembled Nanostructures on Electron-Transparent Substrates". United States. doi:10.1002/ppsc.201400183.
@article{osti_1362210,
title = {Laser-Induced Self-Assembled Nanostructures on Electron-Transparent Substrates},
author = {Sachan, Ritesh and Malasi, Abhinav and Yadavali, Sagar and Griffey, Blake and Dunlap, John and Duscher, Gerd and Kalyanaraman, Ramki},
abstractNote = {Currently, one of the challenges in high-resolution transmission electron microscopy (TEM) studies of nanomaterials is to make contamination-free materials in a simple and time-efficient way. We demonstrate a method that combines nanosecond-pulsed laser dewetting of thin films with a film float-off technique to realize nanostructures (NSs) on electron-transparent substrates in a robust and rapid manner. NSs of metal (Ag) and bimetals (AgCo, AuCo) ranging from 20 to 150 nm are synthesized on thin carbon film deposited on mica substrates. The NS/carbon system is subsequently transferred onto TEM grids by a float-off process resulting from debonding of the carbon from mica due to their contrasting hydrophobic nature. Our process enables the fabrication of different NSs on flexible and electron-transparent substrates.},
doi = {10.1002/ppsc.201400183},
journal = {Particle & Particle Systems Characterization},
issn = {0934-0866},
number = 4,
volume = 32,
place = {United States},
year = {2014},
month = {11}
}

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