Journal
NEW JOURNAL OF CHEMISTRY
Volume 35, Issue 7, Pages 1424-1432Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c1nj20193j
Keywords
-
Categories
Funding
- National Natural Science Foundation of China [20973136, 20877099, 20972183]
- State Key Laboratory of Natural and Biomimetic Drugs [20080208]
- Hunan High Education Research Fund [06C068]
- GUCAS (A B)
- Ministry of Science and Technology of China [2008AA100801]
- Guangdong Province [2010B090300031]
- CAS [2010B090300031]
Ask authors/readers for more resources
The non-covalent interactions of chiral metal complexes with the achiral 5,10,15,20-tetrakis (4-sulonatophenyl) porphyrin (H4TTPS2-) have been investigated by UV-vis and circular dichroism (CD) spectra. The results show that under acidic environments, only the chiral complex cations ([CoBr(NH3)(en)(2)](+), [Co(en)(3)](3+), [Ru(phen)(3)](2+)) could interact with H4TTPS2- to form chiral aggregates, accompanied with the metal-centered chirality information transferred to the formed J-aggregates. However, the chiral complex anion ([Co(edta)](-)) does not cause the self-assembly process. The competitive binding interactions between an achiral water-soluble cationic surfactant (N-hexadecyltrimethyl ammonium chloride, CTAC) and a cationic polyelectrolyte (polyallylamine, PAA) with the chiral metal complex H4TTPS2- J-aggregates, respectively, were also investigated. It was found that chiral-symmetry-breaking phenomena occur in the cationic surfactant induced event. In the case of a cationic polyelectrolyte, it could change the conformational flexibility of the H4TTPS2- aggregates. These results may lead us to understand the possible mechanism of the supramolecular self-assembly process by the non-covalent interactions.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available