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Engineering of Nanotips in ZnO Submicrorods and Patterned Arrays

机译：ZnO亚微棒和图案阵列中的纳米尖端工程

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摘要

Unusual nanotips have been selectively achieved in the synthesis of hexagonal-faceted ZnO submicrorods along with two types of its patterned arrays based on a mild precursor-hydrothermolysis reaction. In the synthesis, ethylenediamine (En) with two anchor atoms was introduced not only as a ligand and an alkali medium but also as a crystal-growth modifier for Studying the crystal growth kinetics. It has been demonstrated that as-fabricated arrays are composed of ZnO submicrorods with exotic nanotips; the morphology of the nanotips, as well as the preferred spatial orientation and alignment of the rods, strongly depends on the adopted substrates. The growth mechanisms for die ZnO submicrorods and the patterned arrays have been discussed, respectively, on the basis of the growth model for the polar ZnO crystals.
机译：基于温和的前体-氢热解反应，在合成六边形切面ZnO亚微棒及其两种类型的阵列时，已经选择性地获得了异常的纳米尖端。在合成中，引入具有两个锚定原子的乙二胺（En）不仅作为配体和碱介质，而且作为晶体生长改性剂用于研究晶体生长动力学。已经证明，制成的阵列是由具有奇异纳米尖端的ZnO亚微棒组成的。纳米尖端的形态以及棒的优选空间取向和排列在很大程度上取决于所采用的基质。基于极性ZnO晶体的生长模型，分别讨论了ZnO亚微棒和图案阵列的生长机理。

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