Abstract
Pt nanoparticles were introduced on the surface of ZnO nanowires using a chemically drivenself-assembly method. Through this controllable method, Pt-nanoparticle-functionalizedZnO nanowires (Pt NPs–ZnO NWs) with uniform particle dispersion, tunable Pt particlesizes, and narrow particle size distribution were obtained. Changes in the morphology ofthe decorative preparation were observed as the amount of linker reagent and theconcentration of Pt nanoparticle solution were altered. The as-prepared Pt NPs–ZnONWs with optimal morphology showed excellent gas sensing and photocatalyticperformance. Tuning of the functionalities of photocatalytic and gas sensors can beobtained by tailoring the morphology of Pt NP–ZnO NW composite materials.
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