Metallic impurities in graphenes prepared from graphite can dramatically influence their properties

• Main Authors: Ambrosi, Adriano, Chee, Sze Yin, Khezri, Bahareh, Webster, Richard David, Sofer, Zdeněk, Pumera, Martin
• Other Authors: School of Physical and Mathematical Sciences
• Format: Article
• Language: English
• Published: 2013
• Online Access: https://hdl.handle.net/10356/98468; http://hdl.handle.net/10220/12492
• Institution: Nanyang Technological University

All at C? Graphenes prepared by the top-down exfoliation of graphite are shown to contain metallic impurities (see scheme, metal impurities shown as black dots). These impurities may dominate their properties and can have a negative influence on their potential applications.