DOI: 10.1063/1.1525881. Phosphorescent light-emitting electrochemical cell

Phosphorescent light-emitting electrochemical cell

10.1063/1.1525881

Crossref journal-article

AIP Publishing

Applied Physics Letters (317)

Abstract

Due to the harvest of singlet and triplet excitons, highly-efficient phosphorescent polymer light-emitting diodes have been demonstrated. However, the driving voltage of these devices remains high because of the carrier trapping at the dopant sites. To achieve high power efficiency, a phosphorescent light-emitting electrochemical cell, which consists of bis[2-(2′-benzothienyl)-pyridinato-N,C3′]iridium(acetylacetonate) as the dopant, poly[9,9-bis(3,6-dioxaheptyl)-fluorene-2,7-diyl] as the host polymer, and lithium trifluoromethane sulfonate has been demonstrated in this letter. The turn-on voltage for light emission was as low as the band gap of the host material (2.8 eV). Compared with the light-emitting diode with a similar device structure, a sixfold enhancement in power efficiency has been achieved.

Bibliography

Chen, F.-C., Yang, Y., & Pei, Q. (2002). Phosphorescent light-emitting electrochemical cell. Applied Physics Letters, 81(22), 4278â4280.

Authors 3

Fang-Chung Chen (first)
Yang Yang (additional)
Qibing Pei (additional)

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Dates

Type	When
Created	22 years, 9 months ago (Nov. 21, 2002, 2:21 p.m.)
Deposited	1 year, 7 months ago (Feb. 3, 2024, 6:28 p.m.)
Indexed	1 year, 1 month ago (July 11, 2024, 6:31 a.m.)
Issued	22 years, 9 months ago (Nov. 25, 2002)
Published	22 years, 9 months ago (Nov. 25, 2002)
Published Print	22 years, 9 months ago (Nov. 25, 2002)

Funders 0

None

BibTeX

@article{Chen_2002, title={Phosphorescent light-emitting electrochemical cell}, volume={81}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.1525881}, DOI={10.1063/1.1525881}, number={22}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Chen, Fang-Chung and Yang, Yang and Pei, Qibing}, year={2002}, month=nov, pages={4278–4280} }

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