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Rapid Conversion of a Au9Ag12 into a AuxAg16-x Nanocluster via Bisphosphine Ligand Engineering |
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| Authors: | Manman Zhou Chunxia Qi Xiaoxun Yan Xiaowu Li Dr Shan Jin Prof Manzhou Zhu |
| Institution: | 1. Department of Chemistry and Centre for, Atomic Engineering of Advanced Materials, Key Laboratory of Structure and Functional Regulation of Hybrid Materials of Ministry of Education, Institutes of Physical Science and Information Technology and Anhui Province Key Laboratory of Chemistry for, Inorganic/Organic Hybrid Functionalized Materials, Anhui University, Hefei, Anhui, 230601 P. R. China
These authors contributed equally to this work.;2. Department of Chemical Engineering, Hefei Normal University, Hefei Lianhua Rd 1688, Hefei, 230601 P. R. China These authors contributed equally to this work.;3. Department of Chemistry and Centre for, Atomic Engineering of Advanced Materials, Key Laboratory of Structure and Functional Regulation of Hybrid Materials of Ministry of Education, Institutes of Physical Science and Information Technology and Anhui Province Key Laboratory of Chemistry for, Inorganic/Organic Hybrid Functionalized Materials, Anhui University, Hefei, Anhui, 230601 P. R. China |
| Abstract: | The AuxAg16-x(SAdm)8(Dppe)2] nanocluster with aggregation-induced emission (AIE) was synthesized from a non-fluorescent Au9Ag12(SAdm)4(Dppm)6Cl6](SbF6)3 nanocluster via a ligand-exchange engineering (Dppe=1,2-Bis(diphenylphosphino)ethane, Dppm=Bis(diphenylphosphino)methane, HSAdm=1-Adamantanethiol). The nanocluster has a Au-doped icosahedral AuxAg13-x core, capped by two Ag(SR)3, one Ag(SR)2 and two Dppe ligands. By changing the achiral Dppe ligand into a chiral dbpb ligand ((2S,3S)-(-)-Bis(diphenylphosphino)butane or (2R,3R)-(+)-2,3-Bis(diphenylphosphino)butane), chiral nanoclusters are obtained. ESI-MS and UV-vis spectroscopy were performed to track the reaction. This work provides guidance for the construction of new clusters by etching clusters with multidentate phosphine ligands. |
| Keywords: | aggregation-induced emission alloy nanocluster bisphosphine ligand engineering restructuring |