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首页> 外文会议>Porous Semiconductors: A Symposium Held in Memory of Vitali Parkhutik and Volker Lethmann >A Three Pulse Electrochemical Regime as a Fabrication Platform for Nano-Structured Multifunctional Silicon Based Materials and Their Primary Prototypes
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A Three Pulse Electrochemical Regime as a Fabrication Platform for Nano-Structured Multifunctional Silicon Based Materials and Their Primary Prototypes

机译：三脉冲电化学体系作为纳米结构多功能硅基材料及其主要原型的制造平台

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摘要

Nano-Silicon is an extremely versatile material that can be structured at the level of its porosity, multi-film thicknesses or size of particles. Science's keen interest in these new nanomaterials is motivated by new fascinating properties and their tunability. Different forms of nano-Si primary prototypes can be made using a novel cyclic three-pulse electrochemical regime presented in this work. It consists of three pulses of different intensity: a working pulse when layer with determined thickness and porosity is formed; a cut pulse that introduces an embedded pre-partition between the layers; and an etch stop pulse when electrolyte is refreshed. An easy control by electrical means of overall morphology opens the possibility for large variations of nano-structuring in the obtained material. In-situ deposition of some metals simultaneously with layers formation through variation of the electrolyte composition and some parameters of the electrical regime is attainable as well.
机译：纳米硅是一种用途极为广泛的材料，可以在其孔隙率，多层膜厚度或颗粒大小的水平上进行结构化。科学界对这些新型纳米材料的浓厚兴趣是由其新颖的引人入胜的性能及其可调性引起的。可以使用这项工作中提出的新型循环三脉冲电化学机制来制成不同形式的纳米硅初级原型。它由三个不同强度的脉冲组成：形成具有确定的厚度和孔隙率的层时的工作脉冲；切割脉冲，在各层之间引入嵌入式预分区；刷新电解液时的蚀刻停止脉冲。通过电学手段容易地控制总体形态，为获得的材料中纳米结构的巨大变化提供了可能性。通过改变电解质组成和一些电学参数，还可以实现一些金属的原位沉积，同时形成层。

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