Metal-assisted photochemical etching of GaN nanowires: The role of metal distribution

Metal-assisted chemical etching plays a critical role in synthesizing GaN nanowires. In this work, GaN films grown on Si(111) substrates are immersed in CuSO4/HF etchant under UV illumination to fabricate nanowires. These GaN nanowires are much more homogeneous than those synthesized in AgNO3/HF etc...

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Bibliographic Details
Main Authors: Qi Wang, Guodong Yuan, Shuai Zhao, Wenqiang Liu, Zhiqiang Liu, Junxi Wang, Jinmin Li
Format: Article
Language:English
Published: Elsevier 2019-06-01
Series:Electrochemistry Communications
Online Access:http://www.sciencedirect.com/science/article/pii/S1388248119301134