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A light scattering peak of ZnO rods is presented at 543.2 nm. The

radiation peaks of ZnO nanospines correspond to 496.6 nm and

630.6 nm due to the breaking of the symmetry of the ZnO rods.

The radiation peaks of sea-urchin shaped ZnO was observed and

confirmed by utilizing the dipole approximation. Sea-urchin

shaped ZnO can tune and then filter different frequencies of light

by utilizing incident light to illuminate at the different positions of

sea-urchin shaped ZnO which works like a nanolight filter device

and has potential applications in photonic computers, bio-light

emission device, and solar cells.

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