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Influence of synthesis parameters on composition and morphology of electrodeposited Zn-Sb thin films

机译:合成参数对电沉积Zn-SB薄膜组成和形态的影响

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The influence of bath concentration, electrodeposition potential, and hydrodynamic conditions in the electrolytic cell on the morphology, chemical composition, and crystal structure of synthesized Zn, Sb, and Zn-Sb thin films was demonstrated based on FE-SEM, EDS, XRD, and Raman measurements. It was found that an increase in the working electrode potential leads to the formation of thin films with a higher atomic percentage (at.%) of zinc. Contrary, increasing SbCl3 concentration in the citrate bath and application of electrolyte stirring, lead to the preferential electrodeposition of thin films containing a higher content of antimony. From the point of view of thermoelectric applications, the most promising material was that containing the ZnSb crystal phase with the ZniSb atomic ratio of 1. The best results for electrodeposition of Zn-Sb thin films were observed at -1.5V vs. Ag/AgCl (3 M KCl) in the citrate bath containing 0.045 M ZnCl2 and 0.045 M SbCl3 in the absence of electrolyte stirring. As a result, an amorphous ZnSb thin film with the Zn/Sb atomic ratio of 1.03 was obtained. The sample with a composition very close to stoichiometric ZnSb was annealed in an inert atmosphere in order to transform it into a crystalline thin film. (C) 2020 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
机译:基于Fe-SEM,EDS,XRD,证明了浴浓度,电解细胞中的电解细胞中的电解细胞中的电解细胞中的电解细胞中的电解细胞中的晶体结构和晶体结构的影响。和拉曼测量。发现工作电极电位的增加导致形成具有更高原子百分比(at。%)锌的薄膜。相反,增加柠檬酸盐浴中的SbCl 3浓度和电解质搅拌的施加,导致含有更高含量的锑膜的优先电沉积。从热电应用的角度来看,最有希望的材料是含有ZnISB原子比的ZnSB晶相。在-1.5V与Ag / AgCl中观察到Zn-Sb薄膜电沉积的最佳效果。 (3米KCl)在没有电解质搅拌的情况下含有0.045m ZnCl2和0.045M SBCl3的柠檬酸盐。结果,获得具有Zn / Sb原子比为1.03的无定形ZnSB薄膜。用非常接近化学计量ZnSB的组合物的样品在惰性气氛中退火,以将其转化为结晶薄膜。 (c)2020朝鲜工业与工程化学学会。 elsevier b.v出版。保留所有权利。

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