Distribution of the effective conjugation length of polythiophene determined by its absorption and |χ(3)| spectra

被引：12

作者：

Kobayashi, T

Hamazaki, J

Kunugita, H

Ema, K

Ochiai, K

Rikukawa, M

Sanui, K

机构：

[1] Sophia Univ, Dept Phys, Chiyoda Ku, Tokyo 1028554, Japan

[2] Sophia Univ, Dept Chem, Chiyoda Ku, Tokyo 1028554, Japan

来源：

JOURNAL OF NONLINEAR OPTICAL PHYSICS & MATERIALS | 2000年 / 9卷 / 01期

关键词：

D O I：

10.1142/S0218863500000054

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We measured the absorption and \chi((3))\ spectra around the excitonic resonance for Langmuir-Blodgett (LB) film of polythiophene derivative, poly(3-[2((S)-2-methylbutoxy)ethyl]thiophene) at 10 K and room temperature. We derived a theoretical distribution function for the effective conjugation length taking the molecular weight distribution into consideration, and fitted the calculated absorption and \chi((3))\ spectra to the experimental ones. From the fits, we estimated the average effective conjugation length to be 21 thiophene rings at 10 K, and 15 thiophene rings at room temperature.

引用

页码：55 / 61

页数：7

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