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Metal nanoclusters (NCs), consisted of a few to a hundred atoms, are booming now as the innovative advanced materials from phosphors, catalysts to photosensitizers, because their ultrasmall size induced discrete electronic structure and low coordinated surface atoms [1-2]However, their ultrasmall size usually faciliates to induce aggregation and/or oxidation both in storage and further employment.Also, they still suffer the fact of low performance need to be improved.