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N∧C∧N-coordinated platinum(II) complexes as phosphorescent emitters in high-performance organic light-emitting devices

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N∧C∧N-coordinated platinum(II) complexes as phosphorescent emitters in high-performance organic light-emitting devices. / Cocchi, Massimo; Virgili, Dalia; Fattori, Valeria et al.
In: Advanced Functional Materials, Vol. 17, No. 2, 22.01.2007, p. 285-289.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Cocchi, M, Virgili, D, Fattori, V, Rochester, DL & Williams, JAG 2007, 'N∧C∧N-coordinated platinum(II) complexes as phosphorescent emitters in high-performance organic light-emitting devices', Advanced Functional Materials, vol. 17, no. 2, pp. 285-289. https://doi.org/10.1002/adfm.200600167

APA

Cocchi, M., Virgili, D., Fattori, V., Rochester, D. L., & Williams, J. A. G. (2007). N∧C∧N-coordinated platinum(II) complexes as phosphorescent emitters in high-performance organic light-emitting devices. Advanced Functional Materials, 17(2), 285-289. https://doi.org/10.1002/adfm.200600167

Vancouver

Cocchi M, Virgili D, Fattori V, Rochester DL, Williams JAG. N∧C∧N-coordinated platinum(II) complexes as phosphorescent emitters in high-performance organic light-emitting devices. Advanced Functional Materials. 2007 Jan 22;17(2):285-289. doi: 10.1002/adfm.200600167

Author

Cocchi, Massimo ; Virgili, Dalia ; Fattori, Valeria et al. / N∧C∧N-coordinated platinum(II) complexes as phosphorescent emitters in high-performance organic light-emitting devices. In: Advanced Functional Materials. 2007 ; Vol. 17, No. 2. pp. 285-289.

Bibtex

@article{8b5301aac88d48b6afcb01cdd54b7929,
title = "N∧C∧N-coordinated platinum(II) complexes as phosphorescent emitters in high-performance organic light-emitting devices",
abstract = "A series of terdentate cyclometallated PtII complexes with remarkable luminescence properties are used as new phosphorescence-emitting dopants in a blended host matrix as the emitting layer, resulting in very high electroluminescence efficiencies. Because of the high phosphorescence quantum yields of these Pt complexes and the efficient energy transfer from both singlet and triplet excited states of the host to the emitting guest, external electroluminescence quantum efficiencies as high as 4-16 % photons per carrier and luminous efficiencies of 15-40 cd A-1 are achieved. Moreover, these high efficiency values were maintained over a four-decade current intensity span with no significant roll-off. Tuning of the electroluminescence spectra from the yellow to the green-bluish region of the chromaticity diagram is obtained simply by changing the substituents at the central 5-position of the cyclometallating ligand.",
keywords = "Electroluminescence, light emitting diodes, organic (OLEDs), platinum, quantum efficiency",
author = "Massimo Cocchi and Dalia Virgili and Valeria Fattori and Rochester, {David L.} and Williams, {J. A.Gareth}",
year = "2007",
month = jan,
day = "22",
doi = "10.1002/adfm.200600167",
language = "English",
volume = "17",
pages = "285--289",
journal = "Advanced Functional Materials",
issn = "1616-301X",
publisher = "John Wiley & Sons, Ltd",
number = "2",

}

RIS

TY - JOUR

T1 - N∧C∧N-coordinated platinum(II) complexes as phosphorescent emitters in high-performance organic light-emitting devices

AU - Cocchi, Massimo

AU - Virgili, Dalia

AU - Fattori, Valeria

AU - Rochester, David L.

AU - Williams, J. A.Gareth

PY - 2007/1/22

Y1 - 2007/1/22

N2 - A series of terdentate cyclometallated PtII complexes with remarkable luminescence properties are used as new phosphorescence-emitting dopants in a blended host matrix as the emitting layer, resulting in very high electroluminescence efficiencies. Because of the high phosphorescence quantum yields of these Pt complexes and the efficient energy transfer from both singlet and triplet excited states of the host to the emitting guest, external electroluminescence quantum efficiencies as high as 4-16 % photons per carrier and luminous efficiencies of 15-40 cd A-1 are achieved. Moreover, these high efficiency values were maintained over a four-decade current intensity span with no significant roll-off. Tuning of the electroluminescence spectra from the yellow to the green-bluish region of the chromaticity diagram is obtained simply by changing the substituents at the central 5-position of the cyclometallating ligand.

AB - A series of terdentate cyclometallated PtII complexes with remarkable luminescence properties are used as new phosphorescence-emitting dopants in a blended host matrix as the emitting layer, resulting in very high electroluminescence efficiencies. Because of the high phosphorescence quantum yields of these Pt complexes and the efficient energy transfer from both singlet and triplet excited states of the host to the emitting guest, external electroluminescence quantum efficiencies as high as 4-16 % photons per carrier and luminous efficiencies of 15-40 cd A-1 are achieved. Moreover, these high efficiency values were maintained over a four-decade current intensity span with no significant roll-off. Tuning of the electroluminescence spectra from the yellow to the green-bluish region of the chromaticity diagram is obtained simply by changing the substituents at the central 5-position of the cyclometallating ligand.

KW - Electroluminescence

KW - light emitting diodes, organic (OLEDs)

KW - platinum

KW - quantum efficiency

U2 - 10.1002/adfm.200600167

DO - 10.1002/adfm.200600167

M3 - Journal article

AN - SCOPUS:33846687032

VL - 17

SP - 285

EP - 289

JO - Advanced Functional Materials

JF - Advanced Functional Materials

SN - 1616-301X

IS - 2

ER -