Seedless synthesis of layered ZnO nanowall networks on Al substrate for white light electroluminescence.

TitleSeedless synthesis of layered ZnO nanowall networks on Al substrate for white light electroluminescence.
Publication TypeJournal Article
Year of Publication2013
AuthorsHuang H, Wang H, Li B, Mo X, Long H, Li Y, Zhang H, Carroll DL, Fang G
JournalNanotechnology
Volume24
Issue31
Pagination315203
Date Published2013 Aug 9
Abstract

In this paper, layered ZnO nanowall networks were directly grown on Al substrates using a hydrothermal method without predepositing seed layers. The individual ZnO nanowalls with a thickness of several nanometers and a size of several hundred nanometers were (002) surface dominated, in which the preferential growth direction of ZnO was suppressed. White electroluminescence devices were fabricated based on Au/polymethylmethacrylate/ZnO-nanowall (metal-insulator-semiconductor) structures. The chromaticity coordinate of the electroluminescence spectrum for the optimal device was calculated as (0.27, 0.34), which is close to (0.33, 0.33) of standard white light.

DOI10.1088/0957-4484/24/31/315203
Alternate JournalNanotechnology