Current-Voltage Characteristics of Graphane p-n Junctions

Details Current-Voltage Characteristics of Graphane p-n Junctions Current-Voltage Characteristics of Graphane p-n Junctions

2009-05-18

arxiv.org/abs/0905.2812v2

IEEE Transactions on Electron Devices, vol. 57, no. 1, pp. 209-214 (2010)

Physics

Condensed Matter

Materials Science

Scientific paper

10.1109/TED.2009.2034494

In contrast to graphene which is a gapless semiconductor, graphane, the hydrogenated graphene, is a semiconductor with an energy gap. Together with the two-dimensional geometry, unique transport features of graphene, and possibility of doping graphane, p and n regions can be defined so that 2D p-n junctions become feasible with small reverse currents. This paper introduces a basic analysis to obtain current-voltage characteristics of such a 2D p-n junction based on graphane. As we show, within the approximation of Shockley law of junctions, an ideal I-V charactristic for this p-n junction is to be expected.

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