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覆盖下的化学:通过反应性间来调金属-石墨烯相互作用

Peter Sutter1, Jerzy T Sadowski, Eli A Sutter

  • 1Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, New York 11973, USA. psutter@bnl.gov

Journal of the American Chemical Society
|June 10, 2010
PubMed
概括

在石墨烯下进行的受控氧干改变了石墨烯-金属接口. 这一过程将石墨烯与基板脱,恢复其内在的电子特性,并为设备应用提供新的界面化学.

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The contact of metal and semiconductor can lead to the formation of a junction with either Schottky or Ohmic behavior.
Schottky Barriers
Schottky barriers arise when a metal with a work function (Φm) contacts a semiconductor with a different work function (Φs). Initially, electrons transfer until the Fermi levels of the metal and semiconductor align at equilibrium. For instance, if Φm > Φs, the semiconductor Fermi level is higher than the metal's before contact. The semiconductor's...