One-pot,ligand-free,room-temperature synthesis of Au/Pd/ZnO nanoclusters with ultra-low noble metal loading and synergistically improved photocatalytic performances |
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| Authors: | Yunwei Wei Malik Zeeshan Shahid Shujuan Lyu Weiying Sun Shuqiang Lyu |
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| Affiliation: | Shandong Key Laboratory of Biophysics, Institute of Biophysics, Dezhou University, Dezhou 253023 Shandong P. R. China.; School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022 Shandong P. R. China ; School of Mechanical Engineering, Chungbuk National University, Cheongju Chungbuk 28644 Repulic of Korea |
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| Abstract: | Au/Pd/ZnO nanoclusters with ultra-low noble metal loadings were prepared by a one-step and ligand-free method at room temperature. HRTEM, ICP-MS, XPS, and elemental mapping analysis confirmed that the obtained Au/Pd/ZnO nanoclusters were composed of ZnO nanoclusters decorated with well-dispersed AuPd nanoparticles. Au/Pd/ZnO nanoclusters exhibited higher photocatalytic activity compared with those of pristine ZnO, Au/ZnO and Pd/ZnO. Moreover, the high catalytic activity of Au/Pd/ZnO nanoclusters could be maintained even after 5 cycles of photocatalytic reaction. A mechanism for the enhanced photocatalytic performance was also suggested, which was in light of the synergistic effects of the SPR effect from Au and the improved photogenerated charge carrier separation from Pd.Au/Pd/ZnO nanoclusters with ultra-low noble metal loadings were prepared by a one-step and ligand-free method at room temperature. The obtained Au/Pd/ZnO nanoclusters were composed of ZnO nanoclusters decorated with well-dispersed AuPd NPs with ultra-low noble metal loading. |
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