期刊
JOURNAL OF LUMINESCENCE
卷 87-9, 期 -, 页码 886-888出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0022-2313(99)00458-5
关键词
second-harmonic generation; 4-cyanoaniline; N-substituted derivatives; X-ray crystallography
类别
Six N-substituted derivatives of 4-cyanoaniline (pCA) were synthesized and their physical and optical properties were examined in the search for second-order nonlinear optical materials with enough crystal dimensions together with blue-light transparency. Among the derivatives examined, N-diphenyimethyl-pCA and N-2-naphthylmethyl-pCA afforded single crystals that lack a center of symmetry. Although the second harmonic (SII) activities of these derivatives were not enough for the practical purposes. their cut-off wavelengths were shorter than 330 nm and showed sufficient blue-light transparency. Quantitative prediction of the SH activity was also attempted (C) 2000 Elsevier Science B.V. All rights reserved.
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