Enhancement of energy storage capacity of Mg functionalized silicene and silicane under external strain

T. Hussain, S. Chakraborty, A. De Sarkar, B. Johansson, R. Ahuja

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

The electronic structure, stability, and hydrogen storage capacity of strain induced Mg functionalized silicene (SiMg) and silicane (SiHMg) monolayers have been studied by means of van der Waals induced first principles calculations. A drastic increase in the binding energy of Mg adatoms on both the monolayers under the biaxial symmetric strain of 10% ensures the uniform distribution of dopants over the substrates. A significant positive charge on each Mg accumulates a maximum of six H2 molecules with H2 storage capacity of 8.10% and 7.95% in case of SiMg and SiHMg, respectively. The average adsorption energy for H2 molecules has been found ideal for practical H2 storage materials. © 2014 AIP Publishing LLC.
Original languageEnglish
Article number123903
JournalApplied Physics Letters
Volume105
Issue number12
DOIs
Publication statusPublished - 22 Sep 2014
Externally publishedYes

Fingerprint Dive into the research topics of 'Enhancement of energy storage capacity of Mg functionalized silicene and silicane under external strain'. Together they form a unique fingerprint.

  • Cite this