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Facile growth of high transmittance ZnO micro-rod clusters on indium tin oxide by a wet-chemical synthesis method
Composites and Advanced Materials ( IF 2.4 ) Pub Date : 2021-09-07 , DOI: 10.1177/26349833211038954
S Morkoç Karadeniz 1
Affiliation  

A simple wet-chemical synthesis method was developed to fabricate Zinc oxide micro-rod clusters. The synthesis process involved the rapid dilution of a zinc-bearing alkaline solution at 150°C in a convection oven on indium tin oxide (ITO) substrates. The synthesis was carried out by immersing an unseeded ITO substrate in a mixture of zinc nitrate hexahydrate (Zn(NO3)2·6H2O) and hexamethylenetetramine ((CH2)6N4) aqueous solution. The obtained sample was annealed at 400°C for 2 h. The structural, morphological and optical properties of the synthesized ZnO microstructures were investigated by X-ray diffraction, scanning electron microscopy and ultraviolet-visible spectroscopy, respectively. The ZnO rod clusters are hexagonal phase of the wurtzite structure. The crystal grain sizes of the films were found to be 72.6, 84.3 and 66.3 nm for the (100), (002) and (101) crystal planes, respectively. The optical bandgap of the ZnO was determined to be 3.147 eV.



中文翻译:

湿化学合成法在氧化铟锡上快速生长高透光率 ZnO 微棒团簇

开发了一种简单的湿化学合成方法来制造氧化锌微棒簇。合成过程包括在对流炉中在 150°C 下在氧化铟锡 (ITO) 基板上快速稀释含锌碱性溶液。通过将未接种的 ITO 基板浸入六水合硝酸锌 (Zn(NO 3 ) 2 ·6H 2 O) 和六亚甲基四胺 ((CH 2 ) 6 N 4) 水溶液。所得样品在 400°C 下退火 2 小时。分别通过 X 射线衍射、扫描电子显微镜和紫外-可见光谱研究了合成的 ZnO 微结构的结构、形态和光学性能。ZnO 棒簇是纤锌矿结构的六方相。发现薄膜的晶粒尺寸分别为(100)、(002)和(101)晶面的 72.6、84.3 和 66.3 nm。ZnO 的光学带隙确定为 3.147 eV。

更新日期:2021-09-07
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