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Size-tailored ZnO submicrometer spheres are synthesized based on bottom-up laser processing. A heating–melting–evaporating mechanism is responsible for the formation of submicrometer-scale spherical particles. The size-related optical extinction and selective aniline trapping on ZnO submicrometer spheres indicate that they are potential candidates for optical and gas-sensing applications.
Wang et al. (Thu,) studied this question.