Systematic control of the excited-state dynamics and carrier-transport properties of functionalized benzo[ghi]perylene and coronene derivatives

Sunao Hirayama, Hayato Sakai, Yasuyuki Araki, Minako Tanaka, Masaki Imakawa, Takehiko Wada, Taishi Takenobu, Taku Hasobe

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

A series of benzo[ghi]perylene (Bp) and coronene (Cor) derivatives substituted with electron-withdrawing methoxycarbonyl (COOMe) or electron-donating methoxyl (MeO) groups was synthesized. The electrochemical, spectroscopic, and photophysical properties of these compounds were investigated by cyclic voltammetry, steady-state and time-resolved spectroscopy, and quantum-yield measurements. Introduction of suitable substituents onto the aromatic rings enabled control of electrochemical and spectroscopic behavior. Examination of excited-state dynamics revealed that fluorescence quantum yields increased with increasing number of COOMe groups in both Bp and Cor derivatives, consistent with the findings of DFT calculations. Single-crystal analysis allowed the performance of field-effect transistors containing single crystals of the derivatives to be rationalized. Crown decoration: A series of benzo[ghi]perylene and coronene derivatives decorated with different numbers of electron-donating or electron-withdrawing substituents was synthesized in order to control their fluorescence quantum yields and carrier-transport properties (see figure).

Original languageEnglish
Pages (from-to)9081-9093
Number of pages13
JournalChemistry - A European Journal
Volume20
Issue number29
DOIs
Publication statusPublished - 2014 Jul 14

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Electron transport properties
Carrier transport
Excited states
Quantum yield
Derivatives
Electrons
Fluorescence
Single crystals
Field effect transistors
Discrete Fourier transforms
Transport properties
Cyclic voltammetry
Spectroscopy
coronene
1,12-benzoperylene

Keywords

  • device fabrication
  • electrochemistry
  • fluorescence
  • polycycles
  • solid-state structures

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

Systematic control of the excited-state dynamics and carrier-transport properties of functionalized benzo[ghi]perylene and coronene derivatives. / Hirayama, Sunao; Sakai, Hayato; Araki, Yasuyuki; Tanaka, Minako; Imakawa, Masaki; Wada, Takehiko; Takenobu, Taishi; Hasobe, Taku.

In: Chemistry - A European Journal, Vol. 20, No. 29, 14.07.2014, p. 9081-9093.

Research output: Contribution to journalArticle

Hirayama, Sunao ; Sakai, Hayato ; Araki, Yasuyuki ; Tanaka, Minako ; Imakawa, Masaki ; Wada, Takehiko ; Takenobu, Taishi ; Hasobe, Taku. / Systematic control of the excited-state dynamics and carrier-transport properties of functionalized benzo[ghi]perylene and coronene derivatives. In: Chemistry - A European Journal. 2014 ; Vol. 20, No. 29. pp. 9081-9093.
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