Effect of interchain separation on the photoinduced absorption spectra of polycarbazolyldiacetylenes

Davide Comoretto, Ivana Moggio, C. Dell'Erba, C. Cuniberti, Giovanna Dellepiane, Laura Rossi, Mario Ettore Giardini, Alessandro Borghesi

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

The photoinduced absorption spectra of a novel polycarbazolyldiacetylene with long aliphatic chains on the carbazolyl side groups are measured and compared with those of the unsubstituted polyDCHD. The two polymers in the blue form exhibit very similar electronic absorption spectra and Raman frequencies. This fact indicates that the conjugation length of the polydiacetylene backbone is not too affected by the long substituents. In contrast, the near steady-state photoinduced absorption spectra show that different photogeneration mechanisms are involved in the two polymers. This result can be ascribed to the role played by the interchain distance in the dynamics of the relaxation processes in polydiacetylenes.
LanguageEnglish
Pages16357-16360
Number of pages4
JournalPhysical Review B
Volume54
DOIs
Publication statusPublished - 1996

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Absorption spectra
absorption spectra
Polymers
polymers
Relaxation processes
conjugation
electronic spectra
polydiacetylene

Keywords

  • polycarbazolyldiacetylenes
  • interchain separation
  • photoinduced
  • absorption spectra

Cite this

Comoretto, D., Moggio, I., Dell'Erba, C., Cuniberti, C., Dellepiane, G., Rossi, L., ... Borghesi, A. (1996). Effect of interchain separation on the photoinduced absorption spectra of polycarbazolyldiacetylenes. Physical Review B, 54, 16357-16360. https://doi.org/10.1103/PhysRevB.54.16357
Comoretto, Davide ; Moggio, Ivana ; Dell'Erba, C. ; Cuniberti, C. ; Dellepiane, Giovanna ; Rossi, Laura ; Giardini, Mario Ettore ; Borghesi, Alessandro. / Effect of interchain separation on the photoinduced absorption spectra of polycarbazolyldiacetylenes. In: Physical Review B. 1996 ; Vol. 54. pp. 16357-16360.
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abstract = "The photoinduced absorption spectra of a novel polycarbazolyldiacetylene with long aliphatic chains on the carbazolyl side groups are measured and compared with those of the unsubstituted polyDCHD. The two polymers in the blue form exhibit very similar electronic absorption spectra and Raman frequencies. This fact indicates that the conjugation length of the polydiacetylene backbone is not too affected by the long substituents. In contrast, the near steady-state photoinduced absorption spectra show that different photogeneration mechanisms are involved in the two polymers. This result can be ascribed to the role played by the interchain distance in the dynamics of the relaxation processes in polydiacetylenes.",
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Comoretto, D, Moggio, I, Dell'Erba, C, Cuniberti, C, Dellepiane, G, Rossi, L, Giardini, ME & Borghesi, A 1996, 'Effect of interchain separation on the photoinduced absorption spectra of polycarbazolyldiacetylenes' Physical Review B, vol. 54, pp. 16357-16360. https://doi.org/10.1103/PhysRevB.54.16357

Effect of interchain separation on the photoinduced absorption spectra of polycarbazolyldiacetylenes. / Comoretto, Davide; Moggio, Ivana; Dell'Erba, C.; Cuniberti, C.; Dellepiane, Giovanna; Rossi, Laura; Giardini, Mario Ettore; Borghesi, Alessandro.

In: Physical Review B, Vol. 54, 1996, p. 16357-16360.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Effect of interchain separation on the photoinduced absorption spectra of polycarbazolyldiacetylenes

AU - Comoretto, Davide

AU - Moggio, Ivana

AU - Dell'Erba, C.

AU - Cuniberti, C.

AU - Dellepiane, Giovanna

AU - Rossi, Laura

AU - Giardini, Mario Ettore

AU - Borghesi, Alessandro

PY - 1996

Y1 - 1996

N2 - The photoinduced absorption spectra of a novel polycarbazolyldiacetylene with long aliphatic chains on the carbazolyl side groups are measured and compared with those of the unsubstituted polyDCHD. The two polymers in the blue form exhibit very similar electronic absorption spectra and Raman frequencies. This fact indicates that the conjugation length of the polydiacetylene backbone is not too affected by the long substituents. In contrast, the near steady-state photoinduced absorption spectra show that different photogeneration mechanisms are involved in the two polymers. This result can be ascribed to the role played by the interchain distance in the dynamics of the relaxation processes in polydiacetylenes.

AB - The photoinduced absorption spectra of a novel polycarbazolyldiacetylene with long aliphatic chains on the carbazolyl side groups are measured and compared with those of the unsubstituted polyDCHD. The two polymers in the blue form exhibit very similar electronic absorption spectra and Raman frequencies. This fact indicates that the conjugation length of the polydiacetylene backbone is not too affected by the long substituents. In contrast, the near steady-state photoinduced absorption spectra show that different photogeneration mechanisms are involved in the two polymers. This result can be ascribed to the role played by the interchain distance in the dynamics of the relaxation processes in polydiacetylenes.

KW - polycarbazolyldiacetylenes

KW - interchain separation

KW - photoinduced

KW - absorption spectra

U2 - 10.1103/PhysRevB.54.16357

DO - 10.1103/PhysRevB.54.16357

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SP - 16357

EP - 16360

JO - Physical Review B: Condensed Matter and Materials Physics

T2 - Physical Review B: Condensed Matter and Materials Physics

JF - Physical Review B: Condensed Matter and Materials Physics

SN - 1098-0121

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