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Fluorescent efficiency of various visible quantum dots (QDs) has been incessantly improved to meet industrially high standard mainly through the advance in core/shell heterostructural design, however, their stability against degradable environments appears still lacking. The most viable strategy to cope with this issue was to exploit chemically inert oxide phases to passivate QD surface in the form...
We calculated the geometrical and electronic structures of graphene with different vacancy densities and configurations. Vacancy was varied in graphene from mono- to tri-vacancy and configured to zigzag and armchair lattice directions. While di-vacancy in graphene led to a gap in the electronic structure, mono- and tri-vacancies shifted the Fermi level below the valence band maximum irrespective of...
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