GROWTH AND PERFECTION OF ORGANIC NONLINEAR-OPTICAL MATERIALS - KINETICS AND MECHANISM OF THE GROWTH OF N-(4-NITROPHENYL)PROLINOL (NPP) CRYSTALS FROM METHANOL AND TOLUENE SOLUTION

被引:31
作者
SHEKUNOV, BY [1 ]
SHEPHERD, EEA [1 ]
SHERWOOD, JN [1 ]
SIMPSON, GS [1 ]
机构
[1] UNIV STRATHCLYDE, DEPT PURE & APPL CHEM, GLASGOW G1 1XL, LANARK, SCOTLAND
关键词
D O I
10.1021/j100018a054
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
Organic nonlinear optical materials are difficult to prepare in single-crystalline form due to the inhibition of growth by the solvent. This yields poor growth characteristics which result in the development oi. strain and inclusions in the grown crystal. A study has been made of the growth mechanism and morphology of N-(4-nitrophenyl)prolinol using both a polar and nonpolar solvent. The results are used to define conditions for the preparation of large crystals up to 2 x 0.8 x 0.8 cm(3) of exceptionally high optical and structural perfection.
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页码:7130 / 7136
页数:7
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