Crystallisation of supramolecular materials

Current Opinion in Solid State and Materials Science

Volumn 3, Issue 4, 1998, Pages 425-430

  Bürgi, Hans Beat ^a   Hulliger, Jürg ^a   Langley, Philip J ^a  

^a UNIVERSITY OF BERN   (Switzerland)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0040585392     PISSN: 13590286     EISSN: None     Source Type: Journal    
DOI: 10.1016/S1359-0286(98)80056-9     Document Type: Article

References (37)

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5. zzz component of the molecular hyper-polarisability tensor (along the charge-transfer axis) is the most important optimisation parameter, whereas in trigonal octupolar molecules, off-diagonal elements are significant too. An advantage of octupolar systems is the fact that the crucial efficiency-transparency trade-off is optimised: the absorption wavelengths of such molecules are not as long as those normally found for their highly conjugated dipolar analogues, and therefore the frequency-doubled radiation is not re-absorbed by the crystal. A clever marriage of advanced theoretical thinking with conceptual crystal engineering strategies has led, in the case of the title molecule, to a non-centrosymmetric network structure held together by weak C-HO interactions, and showing many of the desired properties.
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11. 3, a commercially exploited material.
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