Journal of Siberian Federal University. Mathematics & Physics / Theoretical Investigation of Electronic and Geometric Structure of Me30B60 {Me=Ti,Sc} Noncarbon Fullerenes and Hydrogen Adsorption on their Surface

Full text (.pdf)
Issue
Journal of Siberian Federal University. Mathematics & Physics. 2011 4 (2)
Authors
Popov, Zakhar I.; Kuzubov, Alexander A.; Fedorov, Alexander S.
Contact information
Popov, Zakhar I. :; Kuzubov, Alexander A. :; Fedorov, Alexander S. : e-mail:
Keywords
hydrogen energy; adsorption; noncarbon fullerenes; diborides; ab-initio calculations
Abstract

Electronic and geometric structure of Me30B60 {Me=Ti,Sc} noncarbon fullerenes is investigated by DFT calculations. The hydrogen adsorption values on the fullerene surfaces are calculated. It is shown that every metal atom in the fullerene can hold up to 2 hydrogen molecules. At that the value of the hydrogen adsorption energy is contained inside desirable interval 0.2-0.4 eV/(molecule H2) and the total amount of the hydrogen correspond to 5.4-5.6%(mass.). It is established that Sc30B60 fullerenes form the molecular crystal, but Ti30B60 fullerenes form the covalent crystal structures.

Pages
168-174
Paper at repository of SibFU
https://elib.sfu-kras.ru/handle/2311/2289