Conductance Photoswitching of Diarylethene-Gold Nanoparticle Network Induced by Photochromic Reaction

被引：106

作者：

Matsuda, Kenji ^{[1
,2
]}

Yamaguchi, Hidehiro ^{[2
]}

Sakano, Takeshi ^{[2
]}

Ikeda, Masumi ^{[2
]}

Tanifuji, Naoki ^{[3
]}

Irie, Masahiro ^{[4
]}

机构：

[1] Kyoto Univ, Grad Sch Engn, Dept Synthet Chem & Biol Chem, Nishikyo Ku, Kyoto 6158510, Japan

[2] Kyushu Univ, Grad Sch Engn, Dept Chem & Biochem, Nishi Ku, Fukuoka 8190395, Japan

[3] Yonago Natl Coll Technol, Dept Mat Sci, Tottori 6838502, Japan

[4] Rikkyo Univ, Dept Chem, Toshima Ku, Tokyo 1718501, Japan

来源：

JOURNAL OF PHYSICAL CHEMISTRY C | 2008年 / 112卷 / 43期

关键词：

D O I：

10.1021/jp807479g

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The relationship between molecular conductance and molecular structure is an important issue in molecular electronics. Photochromic molecules can interconvert their molecular structures by light, so that the molecular conductance should be photocontrolled. According to this strategy the networks composed of photochromic diarylethene dithiols and gold nanoparticles were prepared, and the photochemical reactivity and photoswitching of the conductance were studied. The networks showed a completely reversible photoswitching of the conductance according to the photochromic reactions of the diarylethene units. The switching behavior is attributed to the change of the pi-conjugation length of the molecule. Because of the high switching ratio and good reversibility this switching system opens up the possibility of sophisticated molecular electric circuits.

引用

页码：17005 / 17010

页数：6

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