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4-Diphenylamino-phenyl substituted pyrazine: Nonlinear optical switching by protonation
L. Xu, H. Zhu, G. Long, J. Zhao, D. Li, , Y. Li, Q.-H. Xu, Q. Zhang
Published in Royal Society of Chemistry
Volume: 3
Issue: 35
Pages: 9191 - 9196
Through the integration of a 4-diphenylamino-phenyl unit with a pyrazine segment, a series of novel organic conjugated molecules with different spacers and shapes have been synthesized and fully characterized. These as-prepared compounds exhibit reversible acidochromism in response to protonation and deprotonation. The investigation of the nonlinear optical (NLO) properties reveals that the neutral forms of these structures display a reverse saturated absorption (RSA), while the protonated forms show a saturated absorption (SA). © The Royal Society of Chemistry 2015.
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Published in Royal Society of Chemistry
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