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. 2016 Dec;22(6):1261-1269.
doi: 10.1017/S1431927616012502.

State-of-the-Art Three-Dimensional Chemical Characterization of Solid Oxide Fuel Cell Using Focused Ion Beam Time-of-Flight Secondary Ion Mass Spectrometry Tomography

Agnieszka Priebe  1 , Pierre Bleuet  1 , Gael Goret  1 , Jerome Laurencin  1 , Dario Montinaro  2 , Jean-Paul Barnes  1
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State-of-the-Art Three-Dimensional Chemical Characterization of Solid Oxide Fuel Cell Using Focused Ion Beam Time-of-Flight Secondary Ion Mass Spectrometry Tomography

Agnieszka Priebe et al. Microsc Microanal. 2016 Dec.

Abstract

In this paper the potential of time-of-flight secondary ion mass spectroscopy combined with focused ion beam technology to characterize the composition of a solid oxide fuel cell (SOFC) in three-dimension is demonstrated. The very high sensitivity of this method allows even very small amounts of elements/compounds to be detected and localized. Therefore, interlayer diffusion of elements between porous electrodes and presence of pollutants can be analyzed with a spatial resolution of the order of 100 nm. However, proper element recognition and mass interference still remain important issues. Here, we present a complete elemental analysis of the SOFC as well as techniques that help to validate the reliability of obtained results. A discussion on origins of probable artifacts is provided.

Keywords: 3D tomography; FIB; SOFC; TOF-SIMS; chemical structure.

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