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Synthesis and structures of morphology-controlled ZnO nano- and microcrystals

机译：形貌可控的ZnO纳米微晶的合成与结构

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摘要

Zinc oxide flower-like bunches were directly synthesized on indium-doped tin oxide (ITO) glass substrates through a simple chemical bath deposition process. By adjusting precursor concentration, other morphologies ( spindles and rods) were also obtained. All of them are hexagonal and single crystalline in nature and grow along the [ 0001] crystallographic direction. The possible growth mechanisms for these nano- and microcrystals were proposed. It was revealed that both the inherent highly anisotropic structure of ZnO and the precursor concentration play crucial roles in determining final morphologies of the products. In addition, vibrational properties of ZnO crystals with different morphologies were investigated by Raman spectroscopy.
机译：通过简单的化学浴沉积工艺，在掺铟的氧化锡（ITO）玻璃基板上直接合成了氧化锌花状束。通过调整前驱物浓度，还可以获得其他形态（纺锤形和棒形）。它们全都本质上是六方晶的并且是单晶的，并且沿着[0001]晶体学方向生长。提出了这些纳米晶体和微晶的可能生长机理。结果表明，ZnO固有的高度各向异性结构和前驱物浓度在确定产物的最终形态方面都起着至关重要的作用。另外，通过拉曼光谱研究了具有不同形态的ZnO晶体的振动特性。

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