• MEENAKSHI

      Articles written in Bulletin of Materials Science

    • A first-principle investigation into effect of B- and BN-doped C$_{60}$ in lowering dehydrogenation of MXH$_4$ (where M $=$ Na, Li and X $=$ Al, B)

      MEENAKSHI DEEPAK AGNIHOTRI KIRAN JEET HITESH SHARMA

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      The present paper reports the effect of B- and BN-doped C$_{60}$ as catalysts for lowering the dehydrogenationenergy inMXH4 clusters (M $=$ Na and Li, X $=$ Al and B) using density functional calculations.MXH4 interacts strongly withB-doped C$_{60}$ and weakly with BN-doped C$_{60}$ in comparison with pure C$_{60}$ with binding energy 0.56–0.80 and 0.05–0.34 eV, respectively. The hydrogen release energy (EHRE) of MXH$_4$ decreases sharply in the range of 38–49% when adsorbed on B-doped C$_{60}$; however, with BN-doped C$_{60}$ the decrease in the EHRE varies in the range of 6–20% as compared with pure MXH$_4$ clusters. The hydrogen release energy of second hydrogen atom in MXH$_4$ decreases sharply in the range of 1.7–41% for BN-doped C$_{60}$ and decreases in the range of 0.2–11.3% for B-doped C$_{60}$ as compared with pure MXH$_4$ clusters. The results can be explained on the basis of charge transfer within MXH$_4$ cluster and with the doped C$_{60}$.

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