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X‐ray design constraints for in situ electrochemical cells: importance of window material, electrolyte and X‐ray wavelength
Author(s) -
Nahlé A. H.,
Walsh F. C.,
Brennan C.,
Roberts K. J.
Publication year - 1999
Publication title -
journal of applied crystallography
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.429
H-Index - 162
ISSN - 1600-5767
DOI - 10.1107/s0021889898011662
Subject(s) - kapton , materials science , electrolyte , electrochemical window , wavelength , window (computing) , electrochemical cell , absorption (acoustics) , polycarbonate , electrochemistry , intensity (physics) , optics , polyimide , polyamide , electrode , x ray , composite material , optoelectronics , layer (electronics) , chemistry , physics , ionic conductivity , computer science , operating system
The need to calculate X‐ray absorption losses through window materials and electrolytes in electrochemical cells used for in situ X‐ray studies is highlighted. Calculations of the loss of beam intensity through Mylar windows of various thicknesses and at different wavelengths are carried out. Other window materials, such as polyethylene, polyimide (Kapton), polymethylmethacrylate (Perspex), polycarbonate (Lexan) and polyamide (Kevlar), are considered. Linear absorption coefficients and loss of intensity through different thicknesses of these materials at the Cu K α wavelength are considered. Calculations of loss of intensity for a typical experimental case involving a Mylar cell window and a 1.029 M H 2 SO 4 electrolyte are presented.