Abstract
A fast and facile method has been developed to synthesise flower-like ZnO nanostructures at room temperature without using any capping agent. ZnO nanoflowers could be easily prepared by adding ethanol to the precursor solution having higher concentration of hydroxide ions. The amount of ethanol plays an important role in the formation of ZnO nanoflowers. The products were characterized by field emission scanning electron microscopy (FESEM), X-ray diffraction (XRD) and transmission electron microscopy (TEM). The room-temperature photoluminescence (PL) spectrum of the sample consists of near-band edge emission at ∼385nm as well as a strong and broad green–yellow emission band due to the presence of defect states in the sample. A reasonable growth mechanism is also proposed for the formation of flower-like ZnO nanostructures.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
