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Two- and three-photon absorption of organic ionic pyrylium based materials
KTH, School of Biotechnology (BIO), Theoretical Chemistry.
KTH, School of Biotechnology (BIO), Theoretical Chemistry.ORCID iD: 0000-0003-0007-0394
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2009 (English)In: Journal of Chemical Physics, ISSN 0021-9606, E-ISSN 1089-7690, Vol. 130, no 17Article in journal (Refereed) Published
Abstract [en]

Pyrylium dyes having the same basic chemical structure, differing only to a specific substituent, have been used as novel materials for multiphoton three-dimensional data storage. Electronic absorption spectra, two-photon and three-photon absorption properties of this class of pyrylium dyes, have been studied theoretically and compared to experimental results. The effects of the counteranion, the surrounding solvent, and electron releasing and electron withdrawing groups in specific positions of the basic structure have been explored in detail. It is argued that on grounds of the quality of experimental spectroscopic agreement, the computed two- and three-photon data may be used in pulse propagation simulations of three-dimensional recording in optical memories.

Place, publisher, year, edition, pages
2009. Vol. 130, no 17
Keyword [en]
chemical structure, dyes, infrared spectra, molecular configurations, molecule-photon collisions, multiphoton spectra, optical storage, solvent effects, ultraviolet spectra, visible spectra, optical-limiting properties, 2-photon absorption, data storage, memory, molecules, spectra, salts, dyes
URN: urn:nbn:se:kth:diva-18442DOI: 10.1063/1.3123742ISI: 000266263100021ScopusID: 2-s2.0-65549105508OAI: diva2:336489
QC 20100525Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2011-02-09Bibliographically approved

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Jha, Prakash ChandraLuo, YiÅgren, Hans
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