Amphiphilic and chiral unsymmetrical perylene dye for solid-state dye-sensitized solar cells

Authors : Hurmus REFIKER, Hüriye İCİL

Pages : 847-859

Doi:10.3906/tar-1204-64

View : 20 | Download : 9

Publication Date : 0000-00-00

Article Type : Research Paper

Abstract :A novel amphiphilic, unsymmetrically substituted N-insert ignore into journalissuearticles values(insert ignore into journalissuearticles values(2S);-2-aminohexanoic acid);-N`-[insert ignore into journalissuearticles values(S);-1-phenylethyl]-3,4,9,10- perylenetetracarboxydiimide with 2 different chiral centers was synthesized and characterized. Chiral amphiphilicity, which can be tunable between hydrophilic and hydrophobic parts, is responsible for controlled self-assembly through intermolecular hydrogen bonding insert ignore into journalissuearticles values(N-H \cdots O);. The product showed high thermal stability but partial solubility in common organic solvents. We observed 2 isosbestic points at 533 and 611 nm, confirming the presence of overlapped monomer and excimer emissions in the temperature range of 10-80 °C. Fluorescence quenching in m-cresol was attributed to charge-transfer interactions. Importantly, the excited state of the chiral dye can decay only by fluorescence in the solid state, mainly due to O-H \cdots N hydrogen bonds. Novel red-light-emitting insert ignore into journalissuearticles values(lem = 658 nm); chiral perylene dye has a great potential for solid-state lighting technologies.
Keywords : Amphiphilic, hydrogen bonding, controlled self assembly, two chiral centers, unsymmetrical perylene diimide