Polarized Light-Induced Molecular Orientation Control of Rigid Schiff Base Ni(II), Cu(II), and Zn(II) Binuclear Complexes as Polymer Composites
Abstract
:1. Introduction
2. Materials and Methods
2.1. Preparations of Complexes
- NiL1: Yield: 21.8%. Anal. Found: C, 51.31%; H, 4.70%; N, 8.72%. Calcd. for C28H30Cl2N4Ni2O2·H2O: C, 50.89%; H, 4.88%; N, 8.48%. IR(KBr); 1637 (s) (C=N), 1561 (s), 1481, 1446, 1334, 1236, 1055, 568(w), 3420(w) cm−1.
- CuL1: Yield: 13.9%. Anal. Found: C, 50.54%; H, 4.63%; N, 8.59%. Calcd. for C28H30Cl2Cu2N4O2·H2O: C, 50.15%; H, 4.81%; N, 8.36%. IR(KBr): 1626 (s) (C=N), 2364 (s), 2345(s), 1553, 1438, 1380, 1344, 1237, 1090, 1032, 889, 2930, 3434(w) cm−1.
- ZnL1: Yield: 20.5%. Anal. Found: C, 51.25%; H, 4.61%; N, 8.54%. Calcd. for C28H30Cl2N4O2Zn2: C, 51.25%; H, 4.61%; N, 8.54%. IR(KBr): 1623 (s) (C=N), 1544, 1430, 1378, 1347, 1230, 1086, 1028, 884, 761, 2922, 3424(w) cm−1.
- NiL2: Yield: 36.5%. Anal. Found: C, 61.04%; H, 2.88%; N, 9.87%. Calc. for C28H18Cl2N4Ni2O2: C, 53.32%; H, 2.88%; N, 8.88%. IR(KBr): 1625 (s) (C=N), 1536 (s), 1490, 1457, 1431, 1385, 1339, 1273, 1235, 1208, 1060, 909, 748, 3424 (w) cm−1.
- CuL2: Yield: 32.7%. Anal. Found; C, 52.51%; H, 2.83%; N, 8.75%. Calcd. for C28H18Cl2Cu2N4O2: C, 52.51%; H, 2.83%; N, 8.75%. IR(KBr): 1620 (s) (C=N), 1530 (s), 1548, 1385, 1334, 1248, 1204, 1045, 755, 3459 (w) cm−1.
- ZnL2: Yield: 32.7%. Anal. Found: C, 52.73%; H, 2.73%; N, 8.50%. Calcd. for C28H18Cl2N4O2Zn2: C, 52.21%; H, 2.82%; N, 8.70%. IR(KBr): 1623 (s) (C=N), 1552 (s), 1489, 1395, 1371, 1334, 1267, 1204, 1038, 760, 3451 (w) cm−1.
2.2. Preparations of Composite Materials
2.3. Physical Measurements
2.4. X-ray Crystallography
3. Results
3.1. Spectral Characterization
3.2. Structural Characterization
3.3. Linearly Polarized UV Light Induced Optical Anisotropy
4. Discussion
5. Conclusions
Supplementary Materials
Author Contributions
Acknowledgments
Conflicts of Interest
References
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Time/min | MO+PVA n-π* 436 nm | MO+NiL1+PVA π-π* 245 nm | MO+CuL1+PVA π-π* 253 nm | MO+ZnL1+PVA π-π* 242 nm |
---|---|---|---|---|
0 | 1 | 1 | 1 | 1 |
1 | 1.0208 | 0.9850 | 1.0141 | 1.0119 |
3 | 1.0311 | 0.9939 | 1.0033 | 1.0140 |
5 | 1.0382 | 0.9927 | 1.0055 | 1.0230 |
10 | 1.0459 | 0.9983 | 1.0049 | 1.0005 |
Time/min | MO+NiL2+PVA π-π* 294 nm | MO+CuL2+PVA π-π* 306 nm | MO+ZnL2+PVA π-π* 306 nm |
---|---|---|---|
0 | 1 | 1 | 1 |
1 | 1.0082 | 1.0126 | 1.0223 |
3 | 1.0215 | 1.0109 | 1.0258 |
5 | 1.0130 | 1.0222 | 1.0382 |
10 | 1.0279 | 1.0192 | 1.0452 |
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Nakatori, H.; Haraguchi, T.; Akitsu, T. Polarized Light-Induced Molecular Orientation Control of Rigid Schiff Base Ni(II), Cu(II), and Zn(II) Binuclear Complexes as Polymer Composites. Symmetry 2018, 10, 147. https://doi.org/10.3390/sym10050147
Nakatori H, Haraguchi T, Akitsu T. Polarized Light-Induced Molecular Orientation Control of Rigid Schiff Base Ni(II), Cu(II), and Zn(II) Binuclear Complexes as Polymer Composites. Symmetry. 2018; 10(5):147. https://doi.org/10.3390/sym10050147
Chicago/Turabian StyleNakatori, Hiroyuki, Tomoyuki Haraguchi, and Takashiro Akitsu. 2018. "Polarized Light-Induced Molecular Orientation Control of Rigid Schiff Base Ni(II), Cu(II), and Zn(II) Binuclear Complexes as Polymer Composites" Symmetry 10, no. 5: 147. https://doi.org/10.3390/sym10050147