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Band Structure Modulation of Graphene Materials via Weak Interactions

Yafei Li  Zhongfang Chen  
【摘要】:正Pristine graphene is gapless semiconductor and lacks the necessary band gap to turn off the electric current completely,which would disqualify graphene to serve as a transistor or other microelectronics devices.A considerable band gap can be opened for graphene by hydrogenation or fluorination,however,the band gaps of hydrogenated and fluorinated graphene are usually too large

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