Molecular and electronic-structure basis of the ambipolar behavior of naphthalimide-terthiophene derivatives: Implementation in organic field-effect transistors

Rocío Ponce Ortiz, Helena Herrera, María J. Mancheño, Carlos Seoane, José L. Segura, Paula Mayorga Burrezo, Juan Casado, J. Teodomiro Lõpez Navarrete, Antonio Facchetti, Tobin J Marks

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

A new family of naphthalimide-fused thienopyrazine derivatives for ambipolar charge transport in organic field-effect transistors is presented. Their electronic and molecular structures were elucidated through optical and vibrational spectroscopy aided by DFT calculations. The results indicate that these compounds have completely planar molecular skeletons which promote good film crystallinity and low reorganization energies for both electron and hole transport. Their performance in organic field-effect transistors is compared with twisted and planar naphthaleneamidine monoimide-fused terthiophenes in order to understand the origin of ambipolarity in this new series of molecular semiconductors. Tailoring ambipolarity: A new family of completely planar naphthalimide-fused thienopyrazine derivatives in which coplanarity is enforced by intramolecular S×××N interactions has been synthesized for ambipolar charge transport in organic field-effect transistors and analyzed by vibrational spectroscopy and DFT calculations. Their data are compared with those previously reported for a series of planar and twisted thiophene-naphthalene derivatives (see figure) and afford new understanding of OFET performance in this general class of molecular semiconductors.

Original languageEnglish
Pages (from-to)12458-12467
Number of pages10
JournalChemistry - A European Journal
Volume19
Issue number37
DOIs
Publication statusPublished - Sep 9 2013

Fingerprint

Naphthalimides
Organic field effect transistors
Molecular structure
Electronic structure
Derivatives
Vibrational spectroscopy
Discrete Fourier transforms
Charge transfer
Semiconductor materials
Thiophenes
Thiophene
Naphthalene
alpha-terthienyl
Electrons

Keywords

  • ambipolarity
  • density functional calculations
  • molecular electronics
  • semiconductors
  • thin films

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

Molecular and electronic-structure basis of the ambipolar behavior of naphthalimide-terthiophene derivatives : Implementation in organic field-effect transistors. / Ponce Ortiz, Rocío; Herrera, Helena; Mancheño, María J.; Seoane, Carlos; Segura, José L.; Mayorga Burrezo, Paula; Casado, Juan; Lõpez Navarrete, J. Teodomiro; Facchetti, Antonio; Marks, Tobin J.

In: Chemistry - A European Journal, Vol. 19, No. 37, 09.09.2013, p. 12458-12467.

Research output: Contribution to journalArticle

Ponce Ortiz, R, Herrera, H, Mancheño, MJ, Seoane, C, Segura, JL, Mayorga Burrezo, P, Casado, J, Lõpez Navarrete, JT, Facchetti, A & Marks, TJ 2013, 'Molecular and electronic-structure basis of the ambipolar behavior of naphthalimide-terthiophene derivatives: Implementation in organic field-effect transistors', Chemistry - A European Journal, vol. 19, no. 37, pp. 12458-12467. https://doi.org/10.1002/chem.201301489
Ponce Ortiz, Rocío ; Herrera, Helena ; Mancheño, María J. ; Seoane, Carlos ; Segura, José L. ; Mayorga Burrezo, Paula ; Casado, Juan ; Lõpez Navarrete, J. Teodomiro ; Facchetti, Antonio ; Marks, Tobin J. / Molecular and electronic-structure basis of the ambipolar behavior of naphthalimide-terthiophene derivatives : Implementation in organic field-effect transistors. In: Chemistry - A European Journal. 2013 ; Vol. 19, No. 37. pp. 12458-12467.
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