Journal
JOURNAL OF MATERIALS CHEMISTRY C
Volume 6, Issue 16, Pages 4516-4522Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8tc00255j
Keywords
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Funding
- JSPS KAKENHI Grant [17H06377, 16H00955, 15K05660]
- Grants-in-Aid for Scientific Research [15K05660, 16H00955, 17H06377] Funding Source: KAKEN
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DNA-based functional materials are of great interest in electrical and optical device applications. In this paper, novel DNA-based photo-functional materials were fabricated by associating a DNA-lipid complex with a luminescent Eu(III) complex. Interactions between DNA-lipid and Eu(III) complexes were investigated by photophysical measurements in both solution and film states. The emission properties of the Eu(III) complex were improved by association with the DNA-lipid complex in the film state. The emission intensity, quantum yield, and thermal stability of the Eu(III) complex hosted by the DNA-lipid matrix were superior to those of the complex in a conventional poly(methyl methacrylate) matrix. Furthermore, the Eu(III) complex in the DNA-lipid film showed circularly polarized luminescence through excitation of the ligand moiety. The chiral environment of the DNA matrix provides optical chirality to the interacting Eu(III) complex.
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