Nanostructure Formation on ZnSe Crystal Surface by Electrochemical Etching

Ihor Bohdanov, Yana Suchikova, Сергій Ковачов, Alma K. Dauletbekova, Abay B. Usseinov, Anatoli I. Popov

2021

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DOI 10.1109/nap51885.2021.9568629
Data confidence 70 medium
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Abstract

The article describes a simple method for nanostructuring the surface of monocrystalline zinc selenide. It is shown that the traditional electrochemical etching of n-ZnSe (111) samples in a concentrated solution of nitric acid leads to the appearance of massive etching pits and small pores on the surface. The dynamics of the process and stages of crystal dissolution has been studied. It is assumed that the porous zinc selenide obtained in this way can be used in optoelectronic structures, as well as as buffer layers for growing zinc oxide.