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Effects of Sn doping on the growth morphology and electrical properties of ZnO nanowires

机译:Sn掺杂对ZnO纳米线生长形态和电性能的影响

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This study examines the effects of doping ZnO nanowires (NWs) with Sn on the growth morphology and electrical properties. ZnO NWs with various Sn contents (1-3 at.%) were synthesized using the vapor-liquid-solid method. Scanning electron and transmission electron microscopy analyses showed that all of the Sn-doped NWs grew in a bamboo-like morphology, in which stacking faults enriched with Sn were periodically inserted. We fabricated a hybrid film of InZnO sol-gel and Sn-doped ZnO NW networks to characterize the effects of Sn doping on the electrical properties of the NWs. With increasing doping density, the carrier concentration increases significantly while the mobility decreases greatly. The resistivity remains scattered, which suggests that Sn doping in ZnO is not an effective method for the enhancement of conductivity, since Sn does not readily incorporate into the ZnO structure.
机译:这项研究检查了掺杂Sn的ZnO纳米线(NWs)对生长形态和电性能的影响。使用汽-液-固法合成了具有不同Sn含量(1-3 at。%)的ZnO NW。扫描电子显微镜和透射电子显微镜分析表明,所有掺Sn的NW都以竹子状生长,周期性地插入富集Sn的堆垛层错。我们制作了一个InZnO溶胶-凝胶和Sn掺杂的ZnO NW网络的混合膜,以表征Sn掺杂对NWs电性能的影响。随着掺杂密度的增加,载流子浓度显着增加,而迁移率大大降低。电阻率仍然分散,这表明在ZnO中掺杂Sn并不是提高导电率的有效方法,因为Sn不容易掺入ZnO结构中。

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