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Enhancing the hydrogen storage capacity of Pd-functionalized multi-walled carbon nanotubes

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2012

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Singh, Priyanka
Kulkarni, Mukta V.
Gokhale, Suresh P.
Kulkarni, Chandrashekhar V.

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https://doi.org/10.1016/j.apsusc.2011.11.075
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Applied Surface Science. Elsevier. 2012, 258(8), pp. 3405-3409. ISSN 0169-4332. eISSN 1873-5584. Available under: doi: 10.1016/j.apsusc.2011.11.075

Zusammenfassung

We demonstrate that the hydrogen storage capacity of multi-walled carbon nanotubes can be enhanced by polyvinylpyrrolidone functionalization. The polyvinylpyrrolidone acts as a stabilizing agent for Pd-nanoparticles, reduces their size and facilitates their uniform and enhanced loading onto multi-walled carbon nanotubes. According to sorption studies, the polyvinylpyrrolidone capping and consequent nanostructural modification enables 2.3 times more hydrogen adsorption than mere Pd-functionalization of multi-walled carbon nanotubes. Corresponding morphological changes before and after polyvinylpyrrolidone capping, characterized using Raman Spectroscopy, X-ray diffraction, TEM and thermal analysis techniques, are also presented. The results contribute towards increasing the efficiency of hydrogen based sustainable energy sources.

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540 Chemie

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Hydrogen based energy sources, Hydrogen storage capacity, Multiwalled carbon nanotubes, Pd functionalization, PVP capping

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ISO 690SINGH, Priyanka, Mukta V. KULKARNI, Suresh P. GOKHALE, Samir CHIKKALI, Chandrashekhar V. KULKARNI, 2012. Enhancing the hydrogen storage capacity of Pd-functionalized multi-walled carbon nanotubes. In: Applied Surface Science. Elsevier. 2012, 258(8), pp. 3405-3409. ISSN 0169-4332. eISSN 1873-5584. Available under: doi: 10.1016/j.apsusc.2011.11.075
BibTex
@article{Singh2012-02Enhan-49242,
  year={2012},
  doi={10.1016/j.apsusc.2011.11.075},
  title={Enhancing the hydrogen storage capacity of Pd-functionalized multi-walled carbon nanotubes},
  number={8},
  volume={258},
  issn={0169-4332},
  journal={Applied Surface Science},
  pages={3405--3409},
  author={Singh, Priyanka and Kulkarni, Mukta V. and Gokhale, Suresh P. and Chikkali, Samir and Kulkarni, Chandrashekhar V.}
}
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