Author: Kaifeng Wu

0000000001299346

AUTHOR

Kaifeng Wu

Photo-Induced Cluster-to-Cluster Transformation of [Au37–xAgx(PPh3)13Cl10]3+ into [Au25–yAgy(PPh3)10Cl8]+: Fragmentation of a Trimer of 8-Electron Superatoms by Light

We present the photoinduced size/structure transformation of [Au37-xAgx(PPh3)13Cl10]3+ (M37) into [Au25-yAgy(PPh3)10Cl8]+ (M25) cluster. Single-crystal X-ray diffraction revealed that M37 has a tri-icosahedron M36 metal core assembled via the fusion of three Au7Ag6 icosahedrons in a cyclic fashion and that the M36 core is further protected by phosphine and chloride ligands. The M37 cluster is found to be highly sensitive toward ambient light, and the M37 → M25 transition is observed with 530 nm irradiation, monitored by time-dependent UV-vis spectroscopy, electrospray ionization mass spectrometry (ESI-MS), and femtosecond transient absorption spectroscopy. Linear-response time-dependent DFT…

research product

CCDC 2093430: Experimental Crystal Structure Determination

Related Article: Zhaoxian Qin, Junhui Wang, Sachil Sharma, Sami Malola, Kaifeng Wu, Hannu Häkkinen, Gao Li|2021|J.Phys.Chem.Lett.|12|10920|doi:10.1021/acs.jpclett.1c02863

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