X-ray Absorption Improvement of Single Wall Carbon Nanotube through Gadolinium Encapsulation

Alimin,; Narsito, I; Kartini,; Santosa, Sri Juari

doi:10.1088/1757-899x/107/1/012051

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2018

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“…The ion Gd 3+ is a known magnetic resonance imaging (MRI) contrast agent because it is intrinsically paramagnetic. In previous studies, the Gd and Gd 3+ species have been identified inside SWCNTs , and carbon nanohorns . As an example, Gd 3+ clusters decorating the defect sites in CNTs were shown to be 40 times more sensitive than conventional MRI contrast agents .…”

Section: Introductionmentioning

confidence: 97%

Morphological Phase Diagram of Gadolinium Iodide Encapsulated in Carbon Nanotubes

et al. 2018

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The melt phase encapsulation of gadolinium iodide (GdI 3) in small internal diameter carbon nanotubes (CNT) was explored to understand how the tubular structure of the host could chemically stabilize a hygroscopic metal halide. However, given the distribution of diameters in the as-received CNTs, the final sample consisted of mixed encapsulation products. These varied from the mono-elemental iodine chain to the atomic layer deposition of the binary halide. Supported by density functional theory calculations, these observations led to the proposition of a morphological phase diagram for GdI 3 encapsulation in CNTs as a function of the host's internal diameter.

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