Optical limiting properties of two organometallic half-open cubane-like cluster compounds [(η5-C5Me5)WS3Cu3Br2(EPh3)2] (E = As, P)

被引：11

作者：

Lang, HP ^{[1
]}

Sun, ZR

Xu, QF

Yu, H

Tatsumi, K

机构：

[1] Suzhou Univ, Sch Chem & Chem Engn, Suzhou 215006, Peoples R China

[2] Nanjing Univ, State Key Lab Coordinat Chem, Nanjing 210093, Peoples R China

[3] E China Normal Univ, Dept Phys, Key Lab Opt & Magnet Resonance Spect, Shanghai 200062, Peoples R China

[4] Nagoya Univ, Res Ctr Mat Sci, Dept Chem, Grad Sch Sci,Chikusa Ku, Nagoya, Aichi 4648602, Japan

来源：

MATERIALS CHEMISTRY AND PHYSICS | 2003年 / 82卷 / 02期

关键词：

tungsten compound; copper compound; optical limiting properties;

D O I：

10.1016/S0254-0584(03)00322-5

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Reactions of [PPh4][(eta(5)-C5Me5)WS3] with CuBr and EPh3 (E = As, P) in MeCN gave rise to [eta(5)-C5Me5)WS3Cu3Br2)(EPh3)(2)] (1: E = As; 2: E = P) in high yield. Single-crystal X-ray analysis revealed that the structure of 1 or 2 consists of a half-open cubane-like [WS3Cu3Br] cluster core where one Cu-Br bond is broken. The optical limiting properties for 1 and 2 in CH2Cl2 were studied with 12 ns and 35 ps laser pulses at 532 nm. The linear transmittance and thresholds at 532 nm laser light for I and 2 are 58% and 2.1 J cm(-2), and 41% and 1.9 J cm-2, respectively. The optical limiting properties of 1 and 2 are compared with those of known closed cubane-like and nest-like clusters derived from [MS4](2-), [MOS3](2-) (M = Mo, W), and [MoSe4](2-) anions. (C) 2003 Elsevier B.V. All rights reserved.

引用

页码：493 / 498

页数：6

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