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Improved field emission and photocatalysis properties of cacti-like zinc oxide nanostructures

机译:改善了类似仙人掌的氧化锌纳米结构的场发射和光催化性能

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摘要

ZnO nanostructures comprising highly c-axis oriented cacti-like nanostructures were synthesized via a simple chemical route. Branches emanated from primary microneedles that are tapered in shape with a tip diameter of ~3 nm, and resulted in improved field emission and photocatalysis properties, with a turn-on field of 2.13 V cm~(-1) and a kinetic rate constant of 0.048 min~(-1). These values were found to be improved compared to those for the reported branching nanostructures. Therefore, these nanostructures are promising for display and photocatalysis devices.
机译:通过简单的化学路线合成了包含高度c轴取向的仙人掌样纳米结构的ZnO纳米结构。初级微针发出的分支呈锥形,尖端直径为〜3 nm,并改善了场发射和光催化性能,其开启场为2.13 V cm〜(-1),动力学速率常数为0.048分钟〜(-1)。发现这些值与所报道的分支纳米结构的值相比有所改善。因此,这些纳米结构有望用于显示和光催化装置。

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