Effect of generation and soft lithography on semiconducting dendrimer lasers

Justin R. Lawrence, Ebinazar B. Namdas, Gary J. Richards, Paul L. Burn, Ifor D. W. Samuel

Research output: Contribution to journalArticlepeer-review

Abstract

Conjugated dendrimers are promising optoelectronic materials as their modular architecture enables independent tuning of the optical, electronic, and processing properties. Dendrimer distributed feedback lasers are demonstrated, and an improvement in slope efficiency from 0.3 % to 1.6 % is seen as the dendrimer generation is increased. Simple fabrication of the lasers by soft lithography is also shown, giving a high slope efficiency of 14 %. The combination of high efficiency dendrimer gain media and soft lithographic fabrication techniques makes conjugated dendrimers attractive materials for organic semiconductor lasers.

Original languageEnglish
Pages (from-to)3000-3003
Number of pages3
JournalAdvanced Materials
Volume19
Issue number19
Early online date5 Sept 2007
DOIs
Publication statusPublished - 5 Oct 2007

Keywords

  • LIGHT-EMITTING-DIODES
  • CONJUGATED POLYMERS
  • EMISSION

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