Abstract
High-resolution nondestructive chemical analysis of both bulk and surface of application-ready carbon nanomaterials is needed to connect the material properties to the observed performance. This is needed to enable application-specific tailoring of carbon nanomaterials. However, detailed studies of effects of oxidizing treatments on the chemical composition and structural integrity of carbon and on the metal seed materials are rare. We show here a hybrid X-ray-based study retrieving this hard-to-access chemical and structural information of application-ready ferrocene-grown single-walled carbon nanotubes and their nitric acid- and oxygen plasma-treated versions. We have executed photoelectron, absorption, and X-ray emission spectroscopy (XES) measurements in the soft X-ray regime providing chemical and structural information with high energy resolution and throughput. We observed that the nitric acid treatment did not significantly alter the chemical state of the carbon matrix, whereas the oxygen plasma t...
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