NDLI: Highly Efficient Multi-Functional Material for Organic Light-Emitting Diodes; Hole Transporting Material, Blue and White Light Emitter

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Highly Efficient Multi-Functional Material for Organic Light-Emitting Diodes; Hole Transporting Material, Blue and White Light Emitter

Content Provider	Semantic Scholar
Author	Kim, Myoung Ki Kwon, Jongchul Jung-Pyo Lee, Seonghoon Jong-In
Copyright Year	2011
Abstract	We have demonstrated that TPyPA can be used as an efficient multi-functional material for OLEDs; hole transporting material (HTL), blue and white-light emitter. The device based on TPyPA as the HTL exhibited an external quantum efficiency of 1.7% and a luminance efficiency of 4.2 cd/A; these values are 40% higher than the external quantum efficiency and luminance efficiency of the NPD-based reference device. The device based on TPyPA as a blue-light emitter exhibited an external quantum efficiency of 4.2% and a luminance efficiency of 5.3 cdA –1 with CIE coordinates at (0.16, 0.14), the device based on TPyPA as a white-light emitter exhibited an external quantum efficiency of 3.2% and a luminance efficiency of 7.7 cdA –1 with CIE coordinates at (0.33, 0.39). Also, TPyPA-based organic solar cell (OSC) exhibited a maximum power conversion efficiency of 0.35%. TPyPA-based organic thin-film transistors (OTFTs) exhibited highly efficient field-effect mobility (µFET) of 1.7 × 10 –4 cm 2 V –1 s –1 , a threshold voltage (Vth) of –15.9 V, and an on/off current ratio of 8.6 × 10 3 .
Starting Page	2899
Ending Page	2905
Page Count	7
File Format	PDF HTM / HTML
DOI	10.5012/bkcs.2011.32.8.2899
Volume Number	32
Alternate Webpage(s)	http://ocean.kisti.re.kr/downfile/volume/chemical/JCGMCS/2011/v32nspc8/JCGMCS_2011_v32nspc8_2899.pdf
Alternate Webpage(s)	https://doi.org/10.5012/bkcs.2011.32.8.2899
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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