Title :
Microstructures and photoluminescence properties of three-dimensional multi-layered ZnO flowers by surfactant-free hydrothermal method
Author :
Lingling, Xu ; Hong, Gao ; Zeming, Li ; Wei, Lv ; Jia, Liu ; Xitian, Zhang
Author_Institution :
Dept. of Phys., Harbin Normal Univ., Harbin, China
Abstract :
Three-dimensional multi-layered ZnO flowers were fabricated on Zn foils by surfactant-free hydrothermal method. Using urea mediated solution, the quantities and sizes of ZnO petals can be turned by the urea concentration. The growth mechanism of etching-deposition was proposed. Room temperature photoluminescence spectra of hierarchical ZnO were studied.
Keywords :
II-VI semiconductors; crystal growth from solution; crystal microstructure; etching; photoluminescence; wide band gap semiconductors; zinc compounds; 3D multilayered flowers; Zn foils; ZnO; etching deposition; hydrothermal method; microstructures; petal quantities; petal sizes; photoluminescence spectra; temperature 293 K to 298 K; urea concentration; urea mediated solution; Annealing; Epitaxial growth; Etching; Microstructure; Morphology; Photoluminescence; Physics; Scanning electron microscopy; Semiconductor nanostructures; Zinc oxide;
Conference_Titel :
Nanoelectronics Conference (INEC), 2010 3rd International
Conference_Location :
Hong Kong
Print_ISBN :
978-1-4244-3543-2
Electronic_ISBN :
978-1-4244-3544-9
DOI :
10.1109/INEC.2010.5425106
