Abstract
By combing laser direct writing and hydrothermal growth, we demonstrate the growth of three-dimensional flowerlike ZnO nanostructures from aqueous solution. Our approach offers synthetic flexibility in controlling film architecture, coating texture and crystallite size. The wettability is studied by measurement of time-dependent contact angles in the as-grown samples. In addition, superior photocatalytic activity of the flowerlike ZnO nanostructures in the degradation of Rhodamine B is investigated as well. The influence factors and formation mechanism of the flowerlike ZnO nanostructures are also analyzed and discussed.
Highlights
In the past decades, ordered nanostructures with controlled surface area and crystal morphologies have attracted great interest because the morphology of most nanostructures can effectively tune their intrinsic chemical and physical properties
The number of pulses delivered to the sample is controlled via an electromechanical shutter, and the laser pulse energy was measured by a pyroelectric detector
It is clear to see that the diameter of the obtained flower was approximately 10 m and the flower consisted of 2D nanosheet
Summary
In the past decades, ordered nanostructures with controlled surface area and crystal morphologies have attracted great interest because the morphology of most nanostructures can effectively tune their intrinsic chemical and physical properties. Abstract — By employing hydrothermal growth, we demonstrate the growth of three-dimensional flowerlike ZnO nanostructures from aqueous solution. Superior photocatalytic activity of the flowerlike ZnO nanostructures in the degradation of Rhodamine B is investigated as well.
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