A molecular architectural approach to second-order nonlinear optical materials

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Design and synthesis of a family of calix[4]arene-based nonlinear optical (NLO) chromophores are discussed. The calixarene chromophores are macrocyclic compounds consisting These molecules were synthesized such of four simple D-{pi}-A units bridged by methylene groups. These molecules were synthesized such that four D-n-A units of the calix[4]arene were aligned along the same direction with the calixarene in a cone conformation. These nonlinear optical super-chromophores were subsequently fabricated into covalently bound self-assembled monolayers on the surfaces of fused silica and silicon. Spectroscopic second harmonic generation (SHG) measurements were carried out to determine the absolute value of the dominant element of the ... continued below

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8 p.

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Yang, Xiaoguang; McBranch, D.; Swanson, B. & Li, DeQuan September 1, 1995.

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Description

Design and synthesis of a family of calix[4]arene-based nonlinear optical (NLO) chromophores are discussed. The calixarene chromophores are macrocyclic compounds consisting These molecules were synthesized such of four simple D-{pi}-A units bridged by methylene groups. These molecules were synthesized such that four D-n-A units of the calix[4]arene were aligned along the same direction with the calixarene in a cone conformation. These nonlinear optical super-chromophores were subsequently fabricated into covalently bound self-assembled monolayers on the surfaces of fused silica and silicon. Spectroscopic second harmonic generation (SHG) measurements were carried out to determine the absolute value of the dominant element of the nonlinear susceptibility, {Chi}{sub zzz}, and the average molecular alignment, {Psi}. We find a value of {Chi}{sub zzz}{approximately} 1.5 {times} 10{sup {minus}7} esu (60 pm/V) at a wavelength of 890 nm, and {Psi} {approximately} 36{degrees} with respect to the surface normal.

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8 p.

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OSTI as DE95017851

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  • Spring meeting of the Materials Research Society (MRS), San Francisco, CA (United States), 17-21 Apr 1995

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  • Other: DE95017851
  • Report No.: LA-UR--95-1975
  • Report No.: CONF-950412--55
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 110170
  • Archival Resource Key: ark:/67531/metadc621451

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  • September 1, 1995

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  • June 16, 2015, 7:43 a.m.

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  • March 1, 2016, 6:03 p.m.

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Yang, Xiaoguang; McBranch, D.; Swanson, B. & Li, DeQuan. A molecular architectural approach to second-order nonlinear optical materials, article, September 1, 1995; New Mexico. (digital.library.unt.edu/ark:/67531/metadc621451/: accessed December 16, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.