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Synthesis and molecular second hyperpolarizability determination of ET2Hg(SCN)2Cl

TINGBIN LI1,* , DONG XU1, QUAN REN2, XINGQIANG WANG1, XING YING1, GUANGHUI ZHANG1

Affiliation

  1. State Key Laboratory of Crystal Material, Shandong University, 250100 Jinan, China
  2. School of Information Science and Engineering, Shandong University, 250100 Jinan, China

Abstract

Donor molecule bis(ethylenedithio)tetrathiofulvalene (BEDT-TTF, or short for ET, see Scheme 1) constitutes a member of an important class of molecular organic conductors. Using the electrochemical method, we have successfuly synthesized ET2Hg(SCN)2Cl. The compound was characterized by x-ray powder diffraction and IR spectrum methods. The linear refractive index of its acetonitrile solution in the concentration of 5.357×10-5 mol/L as measured at 20 oC using V-prism refractometer at four different wavelengths, and the results were fitted with the three-term Selmeier dispersion function. The molecular second hyperpolarizability of ET2Hg(SCN)2Cl was determined by z-scan technique. A value of be 6.64×10-32 esu was obtained..

Keywords

Electrochemical method, Z-scan, Nonlinear refractive index, Second hyperpolarizability.

Submitted at: Sept. 12, 2005
Accepted at: March 23, 2006

Citation

TINGBIN LI, DONG XU, QUAN REN, XINGQIANG WANG, XING YING, GUANGHUI ZHANG, Synthesis and molecular second hyperpolarizability determination of ET2Hg(SCN)2Cl, Journal of Optoelectronics and Advanced Materials Vol. 8, Iss. 2, pp. 867-870 (2006)