Chemically Modulated Graphene Diodes | Zendy

HyeYoung Kim | Zendy; Kangho Lee | Zendy; Niall McEvoy | Zendy; Chanyoung Yim | Zendy; Georg S. Duesberg | Zendy

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Chemically Modulated Graphene Diodes

Author(s) -

HyeYoung Kim,

Kangho Lee,

Niall McEvoy,

Chanyoung Yim,

Georg S. Duesberg

Publication year - 2013

Publication title -

nano letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 4.853

H-Index - 488

eISSN - 1530-6992

pISSN - 1530-6984

DOI - 10.1021/nl400674k

Subject(s) - graphene , diode , materials science , monolayer , silicon , doping , nanotechnology , reliability (semiconductor) , optoelectronics , power (physics) , physics , quantum mechanics

We report the manufacture of novel graphene diode sensors (GDS), which are composed of monolayer graphene on silicon substrates, allowing exposure to liquids and gases. Parameter changes in the diode can be correlated with charge transfer from various adsorbates. The GDS allows for investigation and tuning of extrinsic doping of graphene with great reliability. The demonstrated recovery and long-term stability qualifies the GDS as a new platform for gas, environmental, and biocompatible sensors.

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