光电导性
石墨烯
双层石墨烯
材料科学
富勒烯
化学气相沉积
双层
蒸发
图层(电子)
石墨烯纳米带
电导
光电子学
兴奋剂
纳米技术
凝聚态物理
化学
有机化学
膜
生物化学
物理
热力学
作者
C. Flores,R.Y. Sato-Berrú,D. Mendoza
摘要
The electrical conductance of few layer graphene during thermal evaporation of fullerene C60 as well as the conductance under illumination of this bilayer junction is reported. We obtained few layer graphene films by chemical vapor deposition technique, and then C60 was thermally evaporated on these films. We found an increase in conductance of few layer graphene during the thermal evaporation of C60 and a kind of negative photoconductivity when the bilayer junction was under illumination. We observed that at low light intensities few layer graphene is p-type doped, and we propose that its behavior changes to n-type for high light intensities.
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