期刊
CRYSTENGCOMM
卷 23, 期 5, 页码 1272-1280出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0ce01779e
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资金
- National Research Foundation of Korea (NRF) - Korean Government [MEST] [2016R1A5A1009405, 2019K1A3A1A25000268, 2017R1D1A3B03035719]
- National Research Foundation of Korea [2017R1D1A3B03035719, 2019K1A3A1A25000268] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Systematic supramolecular isomerism was observed between metallacyclodimeric species and sinusoidal 1D coordination polymers, with the transformation achieved through successive anion exchange. The study also discussed the differences in photophysical properties between the two structures on solvent adsorption.
Systematic supramolecular isomerism between metallacyclodimeric species and sinusoidal 1D coordination polymers was observed. Slow diffusion of AgX (X- = NO3-, BF4-, ClO4-, and PF6-) with 1,3-bis(dimethyl(pyridin-4-yl)silyl)propane afforded 28-membered metallacyclodimers [AgL](2)(X)(2) with argentophilic, electrostatic, and pi-pi interactions that are very sensitive to the bite size of each anion in the crystalline state. Successive anion exchange of [Ag(L)](2)(NO3)(2) with X- (X- = BF4-, ClO4-, and PF6-) crystallized in situ, resulting in a systematic supramolecular isomerization to sinusoidal 1D coordination polymers in mother liquor. In the following pages, the different photophysical properties between the metallacyclodimeric species and the sinusoidal 1D coordination polymers on some solvent adsorption are discussed based on the photoluminescence (PL) spectra.
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