Generation and characterization of ultrathin free-flowing liquid sheets

Jake D. Koralek (), Jongjin B. Kim, Petr Brůža, Chandra B. Curry, Zhijiang Chen, Hans A. Bechtel, Amy A. Cordones, Philipp Sperling, Sven Toleikis, Jan F. Kern, Stefan P. Moeller, Siegfried H. Glenzer and Daniel P. DePonte
Additional contact information
Jake D. Koralek: SLAC National Accelerator Laboratory
Jongjin B. Kim: SLAC National Accelerator Laboratory
Petr Brůža: Institute of Physics of the Czech Academy of Sciences
Chandra B. Curry: SLAC National Accelerator Laboratory
Zhijiang Chen: SLAC National Accelerator Laboratory
Hans A. Bechtel: Lawrence Berkeley National Laboratory
Amy A. Cordones: SLAC National Accelerator Laboratory
Philipp Sperling: SLAC National Accelerator Laboratory
Sven Toleikis: Deutsches Elektronen-Synchrotron
Jan F. Kern: SLAC National Accelerator Laboratory
Stefan P. Moeller: SLAC National Accelerator Laboratory
Siegfried H. Glenzer: SLAC National Accelerator Laboratory
Daniel P. DePonte: SLAC National Accelerator Laboratory

Nature Communications, 2018, vol. 9, issue 1, 1-8

Abstract: Abstract The physics and chemistry of liquid solutions play a central role in science, and our understanding of life on Earth. Unfortunately, key tools for interrogating aqueous systems, such as infrared and soft X-ray spectroscopy, cannot readily be applied because of strong absorption in water. Here we use gas-dynamic forces to generate free-flowing, sub-micron, liquid sheets which are two orders of magnitude thinner than anything previously reported. Optical, infrared, and X-ray spectroscopies are used to characterize the sheets, which are found to be tunable in thickness from over 1 μm down to less than 20 nm, which corresponds to fewer than 100 water molecules thick. At this thickness, aqueous sheets can readily transmit photons across the spectrum, leading to potentially transformative applications in infrared, X-ray, electron spectroscopies and beyond. The ultrathin sheets are stable for days in vacuum, and we demonstrate their use at free-electron laser and synchrotron light sources.

Date: 2018
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DOI: 10.1038/s41467-018-03696-w

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