Plasmon Mediated Near-Field Energy Transfer From Solid-State, Electrically Injected Excitons to Solution Phase Chromophores

Jesse A. Wisch, Xiao Liu, Patrick J. Sarver, Cesar N.Prieto Kullmer, Agustin Millet, David W.C. MacMillan, Barry P. Rand

Research output: Contribution to journalArticlepeer-review

Abstract

An organic diode is demonstrated that near-field energy transfers to molecules in solution via surface plasmon polaritons, in contrast to typical far-field excitation via absorption of traveling photons. Electrically generated excitons couple to surface plasmon modes in the cathode; the plasmons subsequently excite chromophore molecules on top of the cathode. External quantum efficiency and time resolved photoluminescence measurements are used to characterize the diode and the near-field energy transfer process. In addition, it is shown that excited chromophores can charge-transfer to quencher molecules, illustrating the potential of this device to be used for photochemical applications.

Original languageEnglish (US)
Article number2214367
JournalAdvanced Functional Materials
Volume33
Issue number24
DOIs
StatePublished - Jun 12 2023

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • General Chemistry
  • Condensed Matter Physics
  • General Materials Science
  • Electrochemistry
  • Biomaterials

Keywords

  • heterogeneous energy transfer
  • light matter interactions
  • organic light emitting devices
  • organic semiconductors
  • surface plasmon polaritons

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