A hybrid organic–inorganic polariton LED

Rahul Jayaprakash; Kyriacos Georgiou; Harriet Coulthard; Alexis Askitopoulos; Sai K. Rajendran; David M. Coles; Andrew J. Musser; Jenny Clark; Ifor D. W. Samuel; Graham A. Turnbull; Pavlos G. Lagoudakis; David G. Lidzey

doi:10.1038/s41377-019-0180-8

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A hybrid organic–inorganic polariton LED

Article

- A hybrid organic–inorganic polariton LED
- Light: Science & Applications Vol. 8, Issue 5, Pages: 787-797(2019)
- Affiliations：
  
  1.Department of Physics and Astronomy, The University of Sheffield, Hicks Building, Hounsfield Road, Sheffield S3 7RH, UK
  2.Department of Physics and Astronomy, University of Southampton, Southampton SO17 1BJ, UK
  3.Skolkovo Institute of Science and Technology, Moskva, Russia
  4.Organic Semiconductor Centre, SUPA, School of Physics and Astronomy, University of St Andrews, St. Andrews, Fife KY16 9SS, UK
  5.Present address: Baker Laboratory, Cornell University, 259 East Avenue, Ithaca, NY 14850, USA
- Author bio：
  
  David G. Lidzey (d.g.lidzey@sheffield.ac.uk)
- Funds：
- DOI：10.1038/s41377-019-0180-8
  CLC：
- Published：2019，
  
  Published Online：04 September 2019，
  
  Received：02 November 2018，
  
  Revised：11 July 2019，
  
  Accepted：16 July 2019
- Accepted：
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Jayaprakash, R. et al. A hybrid organic–inorganic polariton LED. Light: Science & Applications, 8, 787-797 (2019).
DOI：

Jayaprakash, R. et al. A hybrid organic–inorganic polariton LED. Light: Science & Applications, 8, 787-797 (2019). DOI： 10.1038/s41377-019-0180-8.

摘要

Abstract

Polaritons are quasi-particles composed of a superposition of excitons and photons that can be created within a strongly coupled optical microcavity. Here

we describe a structure in which a strongly coupled microcavity containing an organic semiconductor is coupled to a second microcavity containing a series of weakly coupled inorganic quantum wells. We show that optical hybridisation occurs between the optical modes of the two cavities

creating a delocalised polaritonic state. By electrically injecting electron–hole pairs into the inorganic quantum-well system

we are able to transfer energy between the cavities and populate organic-exciton polaritons. Our approach represents a new strategy to create highly efficient devices for emerging 'polaritonic' technologies.

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references

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