Morphological Phase Diagram of Gadolinium Iodide Encapsulated in Carbon Nanotubes

Nitin M. Batra, Anumol E. Ashokkumar, Jasmin Smajic, Andrey N. Enyashin*, Francis Leonard Deepak, Pedro M.F.J. Costa

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


The melt phase encapsulation of gadolinium iodide (GdI3) in small internal diameter carbon nanotubes (CNTs) 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 monoelemental 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 GdI3 encapsulation in CNTs as a function of the host's internal diameter.

Original languageEnglish (US)
Pages (from-to)24967-24976
Number of pages10
Issue number43
StatePublished - Nov 1 2018

Bibliographical note

Funding Information:
The authors are thankful for the financial support from KAUST (BAS/1/1346-01-01). NMB and JS thank KAUST for graduate scholarships. EA and FLD acknowledge the financial support by the N2020: Nanotechnology based functional solutions (NORTE-45-2015-02). AE acknowledges the support by Act 211 Government of the Russian Federation, contract No. 02.A03.21.0006.

Publisher Copyright:
Copyright © 2018 American Chemical Society.

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Energy(all)
  • Surfaces, Coatings and Films
  • Physical and Theoretical Chemistry


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