A NEW ZWITTERIONIC SALT FOR NONLINEAR OPTICS - (4'-[METHYL(DIPHENYL)PHOSPHONIO]BIPHENYL-4-YL)TRIPHENYLBORATE

被引：15

作者：

CHING, KC

LEQUAN, M

LEQUAN, RM

GRISARD, A

MARKOVITSI, D

机构：

[1] ECOLE SUPER PHYS & CHIM IND,CNRS,UA 429,CHIM & ELECTROCHIM MAT LAB,10 RUE VAUQUELIN,F-75231 PARIS 05,FRANCE

[2] CTR ETUD SACLAY,DSM,DPHG,SCM,URA 331,PHOTOCHIM LAB,F-91191 GIF SUR YVETTE,FRANCE

来源：

JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS | 1991年 / 87卷 / 14期

关键词：

D O I：

10.1039/ft9918702225

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 synthesis of {4'-[methyl(diphenyl)phosphonio]biphenyl-4-yl}triphenylborate (PBB) and 4'-(diphenyl-phosphino)biphenyl-4-yl(methyl)diphenylphosphonium hexafluorophosphate (PBP) is described. The properties of PBP and PBB are investigated by absorption and fluorescence spectroscopy. Diphenylphosphine is found to be a weaker donor group than the triphenylborate anion. The variation of dipole moment between excited and ground states as well as the hyperpolarisability coefficient, determined for PBB by solvatochromic methods, shows that this compound is promising for second-harmonic generation.

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页码：2225 / 2228

页数：4

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