Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume 27, Issue 16, Pages 5298-5306Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.202005166
Keywords
coordination polymers; electron transfer; energy transfer; explosives; sensing
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Funding
- MINECO [CTQ2016-78557-R, MAT2016-78465-R]
- MICINN of Spain [PID2019-104125RB-I00, PID2019-107675RB-I00]
- CONICYT+PAI+CONVOCATORIA NACIONAL SUBVENCIN A INSTALACIN EN LA ACADEMIA CONVOCATORIA ANO 2018 + [PAI77180024]
- ANID through FONDECYT [11200264]
- high-performance computing system of PIDi-UTEM [SCC-PIDi-UTEM FONDEQUIP-EQM180180]
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Three new cadmium-based coordination polymers, CdPF-1, CdPF-2, and CdPF-3, were synthesized hydrothermally using different nitrogenated auxiliary linkers. Among them, CdPF-2 and CdPF-3 showed excellent sensing capabilities for explosive nitro aromatic compounds.
Three new cadmium-based coordination polymers, denoted [Cd(hfipbb)(4,4'-bipy)] (CdPF-1), [Cd(hfipbb)(2,2'-bipy)] (CdPF-2), and [Cd(hfipbb)(1,10-phen)] (CdPF-3), have been hydrothermally synthesized by using the well-known V-shaped organic linker 4,4'-(hexafluoroisopropylidene)bis(benzoic acid) (H(2)hfipbb), together with different nitrogenated auxiliary linkers. Considering the d(10) configuration of the transition metal selected, the luminescent properties for these CdPF-n materials were explored, finding that materials CdPF-2 and CdPF-3 act as excellent sensors in the detection of explosive nitro aromatic compounds. The photoluminescence properties of CdPF-2 and CdPF-3 revealed that significant and sensitive fluorescence quenching was observed toward NP (nitrophenol) for CdPF-2 and PA (picric acid) for CdPF-3 in MeOH suspensions.
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