Title :
Low temperature growth of crystalline AlQ3 nanowires from amorphous nanoparticles
Author :
Cho, C.-P. ; Perng, T.P.
Author_Institution :
Dept. of Mater. Sci. & Eng., National Tsing Hua Univ., Hsinchu, Taiwan
Abstract :
A new method to form 1D nanostructure of tris-(8-hydroxyquinoline) aluminum (AlQ3) has been demonstrated. This method is a one-step heating process at low temperatures to transform AlQ3 amorphous nanoparticles into crystalline nanowires. AlQ3 exhibits a highly electroluminescent efficiency and an anisotropic crystallographic nature. Appropriate heating provides a suitable condition for the molecules easily adopting a favorable configuration for the 1D growth. From the XRD analysis, α phase of AlQ3 is formed after heating. Higher intensity of photoluminescence (PL) and a blue shift after heating are also illustrated.
Keywords :
X-ray diffraction; aluminium compounds; amorphous state; electroluminescence; heat treatment; nanoparticles; nanowires; organometallic compounds; photoluminescence; spectral line shift; α phase; 1D nanostructure; XRD analysis; amorphous nanoparticles; anisotropic crystallographic nature; blue shift; crystalline AlQ3 nanowires; electroluminescent efficiency; low temperature growth; one-step heating process; photoluminescence; Aluminum; Amorphous materials; Anisotropic magnetoresistance; Crystallization; Crystallography; Electroluminescence; Heating; Nanoparticles; Nanowires; Temperature;
Conference_Titel :
Nanotechnology, 2005. 5th IEEE Conference on
Print_ISBN :
0-7803-9199-3
DOI :
10.1109/NANO.2005.1500832
