Light-emitting electrochemical processes

Neal R. Armstrong, R. Mark Wightman, Erin M. Gross

Research output: Contribution to journalArticle

89 Citations (Scopus)

Abstract

Electrochemical processes leading to light emission are reviewed, with emphasis on aspects of this subject relevant to the understanding and optimization of electrogenerated luminescence (EL) in organic thin-film materials. The basic energetic requirements of light emission from electrochemically initiated solution redox reactions [electrogenerated chemiluminescence (ECL)] are reviewed first. This review is followed by a discussion of light-emitting electrochemical processes that have been observed in hybrids of ionically conducting polymers and electronically conducting polymers. Finally, the features of EL in insulating polymers and molecular thin films are reviewed, along with recent electrochemical and ECL studies of the small-molecule components of certain organic light-emitting diodes. These studies provide a conceptual framework for understanding and optimizing these materials and the EL process.

Original languageEnglish
Pages (from-to)391-422
Number of pages32
JournalAnnual Review of Physical Chemistry
Volume52
DOIs
StatePublished - 2001
Externally publishedYes

Fingerprint

Luminescence
Chemiluminescence
Light emission
chemiluminescence
Conducting polymers
conducting polymers
luminescence
light emission
Thin films
Redox reactions
Organic light emitting diodes (OLED)
thin films
Polymers
light emitting diodes
requirements
Molecules
optimization
polymers
molecules

All Science Journal Classification (ASJC) codes

  • Physical and Theoretical Chemistry

Cite this

Light-emitting electrochemical processes. / Armstrong, Neal R.; Wightman, R. Mark; Gross, Erin M.

In: Annual Review of Physical Chemistry, Vol. 52, 2001, p. 391-422.

Research output: Contribution to journalArticle

Armstrong, Neal R. ; Wightman, R. Mark ; Gross, Erin M. / Light-emitting electrochemical processes. In: Annual Review of Physical Chemistry. 2001 ; Vol. 52. pp. 391-422.
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