Interrogating the Behaviour of a Styryl Dye Interacting with a Mesoscopic 2D-MOF and Its Luminescent Vapochromic Sensing
Abstract
:1. Introduction
2. Result and Discussion
2.1. Steady-State Observations
2.2. Time-Resolved Emission Measurements
2.3. Luminescence Vapochromic Sensing
3. Materials and Methods
3.1. Synthesis and Characterization of the Materials
3.2. Experimental Procedures
3.2.1. Luminescent Vapochromic Experiments
3.2.2. Steady-State Spectroscopic and Time-Resolved Measurements
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
Abbreviations
DCM | trans-4-(Dicyanomethylene)-2-Methyl-6-(4-Dimethylaminostyryl)-4H-Pyran |
2D | Two-Dimensional |
MOF | Metal Organic Frameworks |
UV | Ultraviolet |
ps | Picosecond |
EnT | Energy Transfer |
CT | Charge Transfer |
SBU | Secondary Building Unit |
3D | Three-Dimensional |
HB | 4-Heptylbenzoic Acid |
HSA | Human Serum Albumin |
PVK | Polyvinyl Carbazole |
ICT | Intramolecular Charge Transfer |
D | Donor |
A | Acceptor |
LE | Locally Excited |
TICT | Twisted Intramolecular Charge Transfer |
ns | Nanosecond |
fs | Femtosecond |
MeOH | Methanol |
DMSO | Dimethyl Sulfoxide |
MCM41 | Mobil Catalytic Materials of number 41 |
NDC | Naphthalene Dicarboxylic Acid |
FWHM | Full Width at Half Maximum |
1D | One-Dimensional |
TCSPC | Time-Correlated Single-Photon Counting |
TRES | Time-Resolved Emission Spectra |
AN | Aniline |
MAN | Methylaniline |
DMA | Dimethylaniline |
BAM | Benzylamine |
TOL | Toluene |
HOMO | Highest Occupied Molecular Orbital |
LUMO | Lowest Unoccupied Molecular Orbital |
DFT | Density Functional Theory |
ET | Electron Transfer |
PXRD | Power X-ray Diffraction |
TGA | Thermogravimetric Analysis |
DTA | Differential Thermal Analysis |
TEM | Transmission Electron Microscopy |
CP/MAS NMR 13C | Cross-Polarization Magic-Angle Spinning Carbon-13 Nuclear Magnetic Resonance |
IRF | Instrument Response Function |
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Sample/Exc = 470 nm | λobs/nm | τ1/ps (±50) | a1 | c1 | τ2/ns (±0.2) | a2 | c2 | τ3/ns (±0.3) | a3 | c3 |
DCM/ Al-ITQ-HB (c0 = 1 × 10−3 M) | 550 | 420 | 56 | 25 | 1.5 | 41 | 65 | 2.7 | 3 | 10 |
575 | 28 | 8 | 54 | 58 | 18 | 34 | ||||
600 | 8 | 2 | 49 | 38 | 43 | 60 | ||||
630 | –100 | –100 | 29 | 19 | 71 | 81 | ||||
660 | –100 | –100 | 12 | 7 | 88 | 93 | ||||
700 | –100 | –100 | 5 | 3 | 95 | 97 | ||||
720 | –100 | –100 | 5 | 3 | 95 | 97 | ||||
DCM /Al-ITQ-HB (c0 = 1 × 10−4 M) | 525 | 270 | 37 | 9 | 1.5 | 58 | 77 | 2.7 | 5 | 14 |
550 | 19 | 3 | 63 | 64 | 18 | 33 | ||||
575 | 7 | 1 | 54 | 43 | 39 | 56 | ||||
600 | –100 | –100 | 36 | 24 | 64 | 76 | ||||
630 | –100 | –100 | 11 | 6 | 89 | 94 | ||||
660 | –100 | –100 | 2 | 1 | 98 | 99 | ||||
700 | –100 | –100 | 2 | 1 | 98 | 99 | ||||
DCM/ Al-ITQ-HB (c0 = 5 × 10−6 M) | 525 | 180 | 32 | 5 | 1.4 | 55 | 67 | 2.5 | 13 | 28 |
550 | 15 | 2 | 56 | 51 | 29 | 47 | ||||
575 | 7 | 1 | 46 | 35 | 47 | 64 | ||||
600 | –100 | –100 | 34 | 21 | 66 | 79 | ||||
630 | –100 | –100 | 18 | 10 | 82 | 90 | ||||
660 | –100 | –100 | 11 | 4 | 89 | 96 | ||||
700 | –100 | –100 | 11 | 4 | 89 | 96 | ||||
Sample/Exc = 371 nm | λobs/nm | τ1/ps (±50) | a1 | c1 | τ2/ns (±0.2) | a2 | c2 | τ3/ns (±0.3) | a3 | c3 |
DCM/ Al-ITQ-HB (c0 = 1 × 10−3 M) | 550 | 170 | 53 | 12 | 1.2 | 41 | 66 | 2.6 | 6 | 22 |
575 | 30 | 4 | 49 | 51 | 21 | 45 | ||||
700 | –100 | –100 | 2 | 1 | 98 | 99 | ||||
720 | –100 | –100 | 1 | 1 | 99 | 99 | ||||
DCM/ Al-ITQ-HB (c0 = 1 × 10−4 M) | 525 | 160 | 49 | 9 | 1.3 | 43 | 65 | 2.6 | 8 | 26 |
550 | 31 | 4 | 47 | 49 | 22 | 47 | ||||
660 | –100 | –100 | 1 | 1 | 99 | 99 | ||||
700 | –100 | –100 | 1 | 1 | 99 | 99 | ||||
DCM/ Al-ITQ-HB (c0 = 5 × 10−6 M) | 525 | 110 | 40 | 4 | 1.2 | 40 | 45 | 2.6 | 20 | 51 |
550 | 20 | 2 | 43 | 34 | 37 | 64 | ||||
630 | 2 | 1 | 11 | 5 | 87 | 94 | ||||
660 | –100 | –100 | 8 | 4 | 92 | 96 |
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di Nunzio, M.R.; Gutiérrez, M.; Moreno, J.M.; Corma, A.; Díaz, U.; Douhal, A. Interrogating the Behaviour of a Styryl Dye Interacting with a Mesoscopic 2D-MOF and Its Luminescent Vapochromic Sensing. Int. J. Mol. Sci. 2022, 23, 330. https://doi.org/10.3390/ijms23010330
di Nunzio MR, Gutiérrez M, Moreno JM, Corma A, Díaz U, Douhal A. Interrogating the Behaviour of a Styryl Dye Interacting with a Mesoscopic 2D-MOF and Its Luminescent Vapochromic Sensing. International Journal of Molecular Sciences. 2022; 23(1):330. https://doi.org/10.3390/ijms23010330
Chicago/Turabian Styledi Nunzio, Maria Rosaria, Mario Gutiérrez, José María Moreno, Avelino Corma, Urbano Díaz, and Abderrazzak Douhal. 2022. "Interrogating the Behaviour of a Styryl Dye Interacting with a Mesoscopic 2D-MOF and Its Luminescent Vapochromic Sensing" International Journal of Molecular Sciences 23, no. 1: 330. https://doi.org/10.3390/ijms23010330