繊維学会誌
Online ISSN : 1884-2259
Print ISSN : 0037-9875
A THORETICAL CONSIDERATION ON THE FLUORESCENCE METHOD FOR THE STUDY OF MOLECULAR MOTION AND TRANSITIONS IN POLYMERS
Junji Seki
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ジャーナル フリー

1968 年 24 巻 12 号 p. 555-561

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The principle of the fluorescence method for the study of rotary diffusion is reviewed briefly. Then, from the fundamental equations, a few modified relationships which are important for the practical use are derived.
Discussions are made on the distribution of relaxation time, and the rectangular distribution function of relaxation time is introduced. The mean relaxation time (ρG) is discussed as a function of the degree of polarization of fluorescence (P) or the quantum yield of fluorescence (φ).
From these observations it is to be concluded that too small a value of activation energy may be obtained, if the equations of uni-relaxation time are applied to the system having comparatively wide distribution of relaxation time.

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© The Society of Fiber Science and Technology, Japan
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