Journal
DALTON TRANSACTIONS
Volume 51, Issue 44, Pages 16784-16789Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d2dt03128k
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Funding
- National Natural Science Foundation of China
- [21735003]
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A new iodoargentate complex with semiconducting properties was successfully synthesized, showing excellent ion exchange behavior and promising photocatalytic activity in degrading dyes. The enhanced photocatalytic activity is attributed to the hole structure in the anions of iodoargentates.
We synthesized a new iodoargentate [Co(2,2'-bipy)(3)]Ag(3)l(6) (1) (2,2'-bipy = 2,2'-bipyridine) via the reaction of Agl, KI, 2,2'-bipy and Co (NO3)(2) in dimethylformamide (DMF) solvent at room temperature. The [Co(2,2'-bipy)(3)](3+) complex cation directs the formation of the 0 D cluster [Ag(3)l(6)](3-) anion that features an irregular double-level gear wheel with a maximum diameter of 5.512 angstrom. The iodoargentate possesses the characteristics of semiconductors with a band gap of 2.03 eV. It exhibits excellent ion-exchange behavior for adsorbing crystal violet (CV) and methylene blue (MB), and it can function as a promising photocatalyst for degrading rhodamine B (RhB). The improved photocatalytic activity can be ascribed to the hole structure in the anions of iodoargentates.
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