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DC Field | Value | Language |
---|---|---|
dc.contributor.author | Grover, Nitika | - |
dc.date.accessioned | 2024-08-10T05:18:42Z | - |
dc.date.available | 2024-08-10T05:18:42Z | - |
dc.date.issued | 2015 | - |
dc.identifier.uri | https://www.worldscientific.com/doi/abs/10.1142/S1088424615500716 | - |
dc.identifier.uri | http://dspace.bits-pilani.ac.in:8080/jspui/xmlui/handle/123456789/15197 | - |
dc.description.abstract | Meso-tetraalkylporphyrins and their Zn(II) complexes were synthesized and characterized by various spectroscopic techniques. Single crystal X-ray structure of meso-tetrapropylporphyrin (3) revealed the orientation of alkyl chains and planar conformation of porphyrin macrocycle. Spectroscopic, photophysical and electrochemical redox properties of self-assembled donor–acceptor dyads formed by meso-tetraalkylporphyrins and fullerene C60 were investigated. These studies revealed 1:1 supramolecular dyad formation between the electron donor porphyrins and the electron acceptor, fullerene entities. The determined association constants (K) follow the order: H2TMeP (1) > H2TEtP (2) > H2TPrP (3) > H2THexP > H2TPP. The effect of alkyl chain length on porphyrin-fullerene complexation was investigated. The redox behavior of self-assembled dyads was investigated in PhCN containing 0.1 M TBAPF6 as supporting electrolyte. The oxidation potentials of dyads are positively shifted (20–100 mV) as compared to corresponding meso-tetraalkylporphyrins indicating the supramolecular interactions between the constituents in the ground state. The geometric and electronic structure of 1:C60 was probed by DFT calculations which suggested the possibility of charge transfer from meso-tetraalkylporphyrin to fullerene C60. | en_US |
dc.language.iso | en | en_US |
dc.publisher | World Scientific | en_US |
dc.subject | Chemistry | en_US |
dc.subject | Meso-tetraalkylporphyrins | en_US |
dc.subject | Supramolecular dyad | en_US |
dc.subject | Porphyrin-fullerene host–guest complexes | en_US |
dc.title | Spectral investigations of meso-tetraalkylporphyrin-fullerene host–guest complexes | en_US |
dc.type | Article | en_US |
Appears in Collections: | Department of Chemistry |
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