Gate Modulation of Graphene-ZnO Nanowire Schottky Diode.
Gate Modulation of Graphene-ZnO Nanowire Schottky Diode.
复制标题
石墨烯-ZnO纳米线肖特基二极管的栅极调制
DOI:
10.1038/srep10125
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发表时间:
2015-05-06
影响因子:
4.6
通讯作者:
Liao ZM
中科院分区:
文献类型:
--
作者:
Liu R;You XC;Fu XW;Lin F;Meng J;Yu DP;Liao ZM
Graphene-semiconductor interface is important for the applications in electronic and optoelectronic devices. Here we report the modulation of the electric transport properties of graphene/ZnO nanowire Schottky diode by gate voltage (Vg). The ideality factor of the graphene/ZnO nanowire Schottky diode is ~1.7 and the Schottky barrier height is ~0.28 eV without external Vg. The Schottky barrier height is sensitive to Vgdue to the variation of Fermi level of graphene. The barrier height increases quickly with sweeping Vgtowards the negative value, while decreases slowly towards the positive Vg. Our results are helpful to understand the fundamental mechanism of the electric transport in graphene-semiconductor Schottky diode.
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