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Seedless synthesis of layered ZnO nanowall networks on Al substrate for white light electroluminescence.
|Title||Seedless synthesis of layered ZnO nanowall networks on Al substrate for white light electroluminescence.|
|Publication Type||Journal Article|
|Year of Publication||2013|
|Authors||Huang H, Wang H, Li B, Mo X, Long H, Li Y, Zhang H, Carroll DL, Fang G|
|Date Published||2013 Aug 9|
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.