Strong two-photon absorption of singlet diradical hydrocarbons

被引：274

作者：

Kamada, Kenji ^{[1
]}

Ohta, Koji

Kubo, Takashi

Shimizu, Akihiro

Morita, Yasushi

Nakasuji, Kazuhiro

Kishi, Ryohei

Ohta, Suguru

Furukawa, Shin-ichi

Takahashi, Hideaki

Nakano, Masayoshi

机构：

[1] Natl Inst Adv Ind Sci & Technol, Photon Res Inst, AIST Kansai Ctr, Ikeda, Osaka 5638577, Japan

[2] Osaka Univ, Grad Sch Sci, Dept Chem, Toyonaka, Osaka 5600043, Japan

[3] Osaka Univ, Grad Sch Engn Sci, Dept Mat Engn Sci, Toyonaka, Osaka 5608531, Japan

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2007年 / 46卷 / 19期

关键词：

absorption; conjugation; fused-ring systems; optical properties; radicals;

D O I：

10.1002/anie.200605061

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

(Chemical Equation Presented) Ones and twos: The two-photon absorption cross sections (σ(2)) of singlet diradical hydrocarbons with phenalenyl peripheral groups (see scheme) are larger than those of closed-shell aromatic hydrocarbons by an order of magnitude or more and are comparable to those of π-conjugated compounds with strong electron donor or acceptor substituents. A significant increase in cross section was also observed in the resonance-enhanced region. © 2007 Wiley-VCH Verlag GmbH & Co. KGaA.

引用

页码：3544 / 3546

页数：3

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