A route to metalloligands consolidated silver nanoclusters by grafting thiacalix[4]arene onto polyoxovanadates.

ABSTRACT: Metalloligands provide a potent strategy for manipulating the surface metal arrangements of metal nanoclusters, but their synthesis and subsequent installation onto metal nanoclusters remains a significant challenge. Herein, two atomically precise silver nanoclusters {Ag₁₄[(TC4A)₆(V₉O₁₆)](CyS)₃} (Ag14) and {Ag₄₃S[(TC4A)₂(V₄O₉)]₃(CyS)₉(PhCOO)₃Cl₃(SO₄)₄(DMF)₃·6DMF} (Ag43) are synthesized by controlling reaction temperature (H₄TC4A = p-tert-butylthiacalix[4]arene). Interestingly, the 3D scaffold-like [(TC4A)₆(V₉O₁₆)]^11- metalloligand in Ag14 and 1D arcuate [(TC4A)₂(V₄O₉)]^6- metalloligand in Ag43 exhibit a dual role that is the internal polyoxovanadates as anion template and the surface TC4A^4- as the passivating agent. Furthermore, the thermal-induced structure transformation between Ag14 and Ag43 is achieved based on the temperature-dependent assembly process. Ag14 shows superior photothermal conversion performance than Ag43 in solid state indicating its potential for remote laser ignition. Here, we show the potential of two thiacalix[4]arene modified polyoxovanadates metalloligands in the assembly of metal nanoclusters and provide a cornerstone for the remote laser ignition applications of silver nanoclusters.

SUBMITTER: Wang Z 

PROVIDER: S-EPMC10471715 | biostudies-literature | 2023 Aug

REPOSITORIES: biostudies-literature