| Photophysical Properties on Functional Pi-Electronic Molecular Systems |
Aug 2012 |
24 pages |
| Authors:
Dongho Kim; YONSEI UNIV SEOUL (REPUBLIC OF KOREA)
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 | The researchers have investigated the photophysical properties of various porphyrinoids such as expanded porphyrins, hybrid porphyrin tapes, etc. using theoretical calculations and various spectroscopic methodologies in conjunction with the topology transformation between aromatic and antiaromatic porphyrinoids by conformational changes via kinetic and thermodynamic control, etc. Especially, they have been interested in their nonlinear optical properties of H?ckel/M?bius aromatic and antiaromatic expanded porphyrins based on the comparison of the two-photon absorption ... |
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| Photophysical Properties of Aromatic and Antiaromatic Porphyrinoids |
14 APR 2011 |
21 pages |
| Authors:
Dongho Kim; YONSEI UNIV SEOUL (KOREA SOUTH) DEPT OF CHEMISTRY
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| This is the report of an investigation of the photophysical properties of various Huckel or Mobius (anti)aromatic porphyrinoids such as expanded porphyrins, porphycenes, etc. using theoretical calculations and various spectroscopic methodologies in conjunction with the topology transformation between aromatic and antiaromatic porphyrinoids by conformational control vial solvent change and redox chemistry. |
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| Photophysical Properties on Mobius and Antiaromatic Expanded Porphyrins |
20 Sep 2010 |
26 pages |
| Authors:
Dongho Kim; YONSEI UNIV SEOUL (REPUBLIC OF KOREA)
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| Expanded porphyrins have come to the forefront in the research field of aromaticity and been recognized as the most appropriate molecular system to study Moebius aromaticity because their molecular topologies can be easily changed and controlled by various methods. Along with this advantage, many efforts have been devoted to the exploration of aromaticity-molecular topology relationship based on electronic structures in expanded porphyrins so that further insight into the aromaticity, very ... |
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