Organic, polymer, and organic/inorganic hybrid light-emitting devices based on phosphorescent fluorinated platinum(II) porphyrin

Hai-Feng Xiang; Chuan-Nan Li; Sze Chit Yu; Chi-Ming Che; P. T. Lai; Po Ching Chui

doi:10.1117/12.551316

10 November 2004 Organic, polymer, and organic/inorganic hybrid light-emitting devices based on phosphorescent fluorinated platinum(II) porphyrin

Hai-Feng Xiang, Chuan-Nan Li, Sze Chit Yu, Chi-Ming Che, P. T. Lai, Po Ching Chui

Author Affiliations +

Proceedings Volume 5519, Organic Light-Emitting Materials and Devices VIII; (2004) https://doi.org/10.1117/12.551316
Event: Optical Science and Technology, the SPIE 49th Annual Meeting, 2004, Denver, Colorado, United States

Abstract

Efficient and highly saturated red organic, polymer and white organic/inorganic hybrid light-emitting devices (OLEDs, PLEDs and OIHLEDs) employing platinum(II) meso-tetrakis(pentafluorophenyl) porphyrin (PtF₂₀TPP) are reported. The presence of fluorine atoms on the periphery of porphyrin ring suppresses the self-quenching behavior and improves the electron mobility, solubility, and stability of PtF₂₀TPP. Both the PLEDs and OLEDs give a red emission with a peak maximum at 650 nm (full width at half maximum = 26 nm) and a shoulder at 705 nm. The maximum external quantum efficiency (hext), luminous efficiency (hL), and brightness of the 2.1 wt% PtF20TPP-doped PLED are 3.2%, 1.1 cd/A, 350 cd/m² respectively; while those for the 4.0 wt% PtF20TPP-doped OLEDs are 5.1%, 1.5 cd/A, 890 cd/m². The efficiency and luminous power efficiency (hP) of luminescence conversion of white OIHLEDs based on near-ultraviolet (n-UV) light GaN-LEDs as light source, tris-(8-hydroxyquinolato) aluminum (Alq₃) as green emitter, and PtF₂₀TPP as red emitter are 3.3% and 10 lm/W, respectively.

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Hai-Feng Xiang, Chuan-Nan Li, Sze Chit Yu, Chi-Ming Che, P. T. Lai, and Po Ching Chui "Organic, polymer, and organic/inorganic hybrid light-emitting devices based on phosphorescent fluorinated platinum(II) porphyrin", Proc. SPIE 5519, Organic Light-Emitting Materials and Devices VIII, (10 November 2004); https://doi.org/10.1117/12.551316

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