Polymer manipulation and nanofabrication in real time using transmission electron microscopy

R. Malcolm Brown, Zack Barnes, Chie Sawatari, Tetsuo Kondo

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Here we present time-resolved in situ transmission electron microscopy (TEM) observations and real-time manipulation of nematic ordered cellulose and ultradrawn polyethylene films. Drawn films of these two polymers exhibited a unique response to the low-dose electron beam. Electron beam damage was minimal based on retention of an organized electron diffraction pattern. Increased electron dosage appeared to melt the polymer with subsequent movement and attraction toward preferred electron concentrations within the beam. This discovery allowed the preferential, directed manipulation of polymer chain aggregates in two dimensions. These findings provide a basis for a new technique to manipulate and simultaneously observe dynamic assembly at the molecular level of structures using TEM.

Original languageEnglish
Pages (from-to)70-76
Number of pages7
JournalBiomacromolecules
Volume8
Issue number1
DOIs
Publication statusPublished - Jan 1 2007

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Biomaterials
  • Polymers and Plastics
  • Materials Chemistry

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