TRESR 분광법에 의한 Phenanthrenequinone의 광환원반응(Ⅱ) -Radial의 스핀-격자 완화시간에 미치는 점성도효과 = A Photoreduction of Phenanthrenequinone by TRESR Spectroscopy (Ⅱ) -Viscosity Effect on Spin-Lattice Relaxation Time of Radicals-

다국어 초록 (Multilingual Abstract)

The Phenanthrenequinone anion radical(PQ·-) was produced by photolysis using a pulsed N₂ laser in the mixed solvent of 2-propanol,2-pentanol or benzene and triethylamine(TEA).
Particularly,time-resolved ESR spectrum of PQ·- and TEA radical( CH₃CHN(C₂H_(5))₂) has been obsered at 0.13-0.30 μs in the 3:1 mixed solvent of 2-pentanol and TEA. The spin-lattice relaxation time(T₁) has increased exponentially with the increasing of mixed solvents viscosity , it was affected by the spin rotational and diffusion rate of radicals due to the viscosity and solvation of solvent.
The log plot of the relaxation time versus the viscosity gave the straight lines with different slope. This fact may be supposed that both PQ·- and TEA radical have contributed to spin-lattice relaxation time in the 3:1 mixed solvent of 2-pentanol and triethylamine.

목차 (Table of Contents)

• 목차
• Abstract
• Ⅰ. 서론
• Ⅱ. 실험
• 1. 시간분해 ESR의 측정
• 2. 완화시간의 측정
• Ⅲ. 결과 및 고찰
• 1. 완화시간 이론
• 2. 완화시간의 결정
• Ⅳ. 결론
• 참고문헌