Solution equilibrium between two structures of Perylene-F 2 TCNQ charge transfer co-crystals

Tommaso Salzillo, Raffaele Guido Della Valle, Elisabetta Venuti, Gabriele Kociok-Köhn, Matteo Masino, Alberto Girlando, Aldo Brillante

Research output: Contribution to journalArticle

Abstract

28We report on the solution growth of the two known structures of Perylene-F 2 TCNQ charge transfer complexes. The transformation accompanied by a marked morphological change from needle 1:1 to platelet 3:2 crystal structure is observed in the mother liquor. Lattice phonon Raman spectroscopy is used for an easy structure identification of the different morphologies before and after the process. X-ray and lattice phonons spectra of reference samples obtained by physical vapor transport is used to identify the two complexes. A fully spectroscopic analysis of the intramolecular Raman modes is presented to estimate the degree of ionicity, which is found to agree with the value previously reported.

LanguageEnglish
Pages45-50
Number of pages6
JournalJournal of Crystal Growth
Volume516
Early online date28 Mar 2019
DOIs
StatusPublished - 15 Jun 2019

Keywords

  • A1. Lattice phonons
  • A1. Raman spectroscopy
  • A2. Growth from solutions
  • B1. Charge transfer complex

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Inorganic Chemistry
  • Materials Chemistry

Cite this

Solution equilibrium between two structures of Perylene-F 2 TCNQ charge transfer co-crystals. / Salzillo, Tommaso; Della Valle, Raffaele Guido; Venuti, Elisabetta; Kociok-Köhn, Gabriele; Masino, Matteo; Girlando, Alberto; Brillante, Aldo.

In: Journal of Crystal Growth, Vol. 516, 15.06.2019, p. 45-50.

Research output: Contribution to journalArticle

Salzillo, Tommaso ; Della Valle, Raffaele Guido ; Venuti, Elisabetta ; Kociok-Köhn, Gabriele ; Masino, Matteo ; Girlando, Alberto ; Brillante, Aldo. / Solution equilibrium between two structures of Perylene-F 2 TCNQ charge transfer co-crystals. In: Journal of Crystal Growth. 2019 ; Vol. 516. pp. 45-50.
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