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High-pressure cell for simultaneous small-angle x-ray scattering and laser light scattering measurements

  • Tadanori Koga
  • , Shuiqin Zhou
  • , Benjamin Chu
  • , John L. Fulton
  • , Shu Yang
  • , Christopher K. Ober
  • , Burak Erman
  • Stony Brook University
  • Pacific Northwest National Laboratory
  • Cornell University
  • Sabanci University

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

A cell for in situ observation of self-assembled nanostructured materials in high-pressure fluids, including supercritical carbon dioxide, has been constructed and tested. The compact cell can be used for simultaneous small-angle x-ray scattering, laser light scattering, visual observation, and some other types of spectroscopic measurements. The light scattering plane is normal to the x-ray scattering plane with the optical axis and the x-ray axis being perpendicular to each other. The scattering is detected at the intersection of the light and x-ray beams, and thus one effectively probes the same scattering volume. Some preliminary experimental results for the micellar self-assembly of a fluorinated block copolymer in supercritical carbon dioxide are presented.

Original languageEnglish
Pages (from-to)2679-2685
Number of pages7
JournalReview of Scientific Instruments
Volume72
Issue number6
DOIs
StatePublished - Jun 2001

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