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Issue 31, 2018
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Fine-tuning polyoxometalate non-linear optical chromophores: a molecular electronic “Goldilocks” effect

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Abstract

A new aryl-imido polyoxometalate non-linear optical chromophore (POMophore) with a diphenylamino donor group attains the highest βzzz, 0 value (196 × 10−30 esu by Hyper-Rayleigh Scattering, HRS), and best transparency/non-linearity trade off yet for such materials. Stark spectroscopic and DFT investigation of this compound, plus NMe2 and carbazole analogues, show that its high performance results from a combination of strongly dipolar electronic transitions, and strong electronic communication across the π-system.

Graphical abstract: Fine-tuning polyoxometalate non-linear optical chromophores: a molecular electronic “Goldilocks” effect

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Supplementary files

Article information


Submitted
16 Apr 2018
Accepted
15 May 2018
First published
27 Jun 2018

This article is Open Access

Dalton Trans., 2018,47, 10415-10419
Article type
Communication

Fine-tuning polyoxometalate non-linear optical chromophores: a molecular electronic “Goldilocks” effect

A. Al-Yasari, P. Spence, H. El Moll, N. Van Steerteghem, P. N. Horton, B. S. Brunschwig, K. Clays and J. Fielden, Dalton Trans., 2018, 47, 10415
DOI: 10.1039/C8DT01491D

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