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Träfflista för sökning "WFRF:(Tao Y) srt2:(2000-2004)"

Search: WFRF:(Tao Y) > (2000-2004)

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1.
  • Sun, Y. H., et al. (author)
  • Theoretical studies on nonlinear optical properties of two newly synthesized compounds : PVPHC and DPVPA
  • 2004
  • In: Chemical Physics Letters. - : Elsevier BV. - 0009-2614 .- 1873-4448. ; 394:03-jan, s. 176-181
  • Journal article (peer-reviewed)abstract
    • The nonlinear optical properties of two newly synthesized molecules 9-(4-{2-[4-(2-pyridin-4-yl-vinyl)-phenyl]-vinyl}-phenyl)-9H-carbazole (PVPHC) and diphenyl-(4-{2-[4-(2-pyridin-4-yl-vinyl)-phenyl]-vinyl}-phenyl)-amine (DPVPA) have been studied using hybrid density functional theory at B3LYP level. A few-state model, as well as response theory, have been employed to calculate their two-photon absorption cross-sections. The theoretical results are in good agreement with the experimental measurements available. It is found that the maximal two-photon absorption cross-sections of these compounds can be well described by a three-state model and both compounds have large two-photon absorption cross-section in optical regime. Strong charge-transfer process upon excitation has been revealed, indicating that these two compounds are good candidates as two-photon polymerization initiators.
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2.
  • Sun, Y. H., et al. (author)
  • Two-photon absorption properties of multi-branched bis-(styryl)benzene based organic chromophores
  • 2004
  • In: Journal of Molecular Structure. - : Elsevier BV. - 0166-1280. ; 682:03-jan, s. 185-189
  • Journal article (peer-reviewed)abstract
    • Two-photon absorption (TPA) cross-sections of a series of multi-branched trans-stilbene charge transfer compounds with benzene as the coupling center have been theoretically investigated using analytical response theory at the random phase approximation level. It shows that the TPA cross-sections of compounds with a quasi-one-dimensional geometrical arrangement can be enhanced through the pure electronic coupling of different branches. The effects of different combination of donor/acceptor substitutions on the TPA cross-sections have also been discussed.
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  • Result 1-2 of 2
Type of publication
journal article (2)
Type of content
peer-reviewed (2)
Author/Editor
Luo, Yi (2)
Zhao, K (2)
Jiang, M. H. (2)
Sun, Y-H (2)
Wang, Chuankui (2)
Tao, X. T. (2)
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Ren, Y. (1)
Yan, Y. X. (1)
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University
Royal Institute of Technology (2)
Language
English (2)
Research subject (UKÄ/SCB)
Natural sciences (2)
Year
2004 (2)

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