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ZnO nanorods with different morphologies and their field emission properties

机译:不同形态的ZnO纳米棒及其场发射特性

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ZnO nanorods with different morphologies were grown by changing the temperature of the process using the thermal vapor deposition method without a catalyst. The X-ray diffraction pattern of these nanorods showed a single-crystalline wurtzite structure and a c-axis orientation. The turn-on fields of the pencil-like and normal ZnO nanorods were 1.7 V/μm and 2.2 V/μm at a current density of 0.1 μA/cm~2, and the emission current density from the ZnO nanorods reached 1 mA/cm~2 at bias fields of 5.1 V/μm and 7.5 V/μm, respectively. The results indicated that ZnO nanorods could give sufficient brightness as a field emitter in a flat panel display.
机译:使用无催化剂的热气相沉积方法通过改变过程的温度来生长具有不同形态的ZnO纳米棒。这些纳米棒的X射线衍射图显示单晶纤锌矿结构和c轴取向。铅笔状和普通ZnO纳米棒在0.1μA/ cm〜2的电流密度下的开启电场分别为1.7 V /μm和2.2 V /μm,并且ZnO纳米棒的发射电流密度达到1 mA / cm偏置电场分别为5.1 V /μm和7.5 V /μm时〜2。结果表明,ZnO纳米棒可以作为平板显示器中的场发射器提供足够的亮度。

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