Abstract
Light emission from organic materials has been an important research topic during the last few decades because of its scientific and technological importance, particularly due to the success of organic light emitting diodes (OLEDs).
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References
Furno M, Meerheim R, Hofmann S, Lüssem B, Leo K (2012) Efficiency and rate of spontaneous emission in organic electroluminescent devices. Phys Rev B 85(11):115205. https://doi.org/10.1103/physrevb.85.115205
Chance R, Prock A, Silbey R (1978) Molecular fluorescence and energy transfer near interfaces. Adv Chem Phys 37:65
Barnes W (1998) Fluorescence near interfaces: the role of photonic mode density. J Modern Optics 45:661–699
Neyts KA (1998) Simulation of light emission from thin-film microcavities. JOSA A 15:962–971
Wasey J, Safonov A, Samuel I, Barnes W (2000) Effects of dipole orientation and birefringence on the optical emission from thin films. Optics Commun 183:109–121
Wasey JAE, Safonov A, Samuel IDW, Barnes WL (2001) Efficiency of radiative emission from thin films of a light-emitting conjugated polymer. Phys Re B 64(20):205201. https://doi.org/10.1103/physrevb.64.205201
Lin C-L, Cho T-Y, Chang C-H, Wu C-C (2006) Enhancing light outcoupling of organic light-emitting devices by locating emitters around the second antinode of the reflective metal electrode. Appl Phys Lett 88:081114
Lin C-L, Chang H-C, Tien K-C, Wu C-C (2007) Influences of resonant wavelengths on performances of microcavity organic light-emitting devices. Appl Phys Lett 90:071111
Kim, J-B, Lee J-H, Moon C-K Kim J-J (2014) Highly efficient inverted top emitting organic light emitting diodes using a transparent top electrode with color stability on viewing angle. Appl Phys Lett 104: 31–33
Bulović V et al (1998) Weak microcavity effects in organic light-emitting devices. Phys Rev B 58:3730
Wasey J, Safonov A, Samuel I, Barnes W (2000) Effects of dipole orientation and birefringence on the optical emission from thin films. Optics Commun 183:109–121
Kim SY et al (2013) Organic Light-Emitting diodes with 30% external quantum efficiency based on a horizontally oriented emitter. Adv Func Mater 23:3896–3900
Shin H et al (2014) Blue phosphorescent organic light-emitting diodes using an exciplex forming co-host with the external quantum efficiency of theoretical limit. Adv Mater 26:4730–4734
Lu M-H, Sturm J (2002) Optimization of external coupling and light emission in organic light-emitting devices: modeling and experiment. J Appl Phys 91:595–604
Smith LH, Wasey JA, Samuel ID, Barnes WL (2005) Light out-coupling efficiencies of organic light-emitting diode structures and the effect of photoluminescence quantum yield. Adv Func Mater 15:1839–1844
Nowy S, Krummacher BC, Frischeisen J, Reinke NA, Brütting W (2008) Light extraction and optical loss mechanisms in organic light-emitting diodes: influence of the emitter quantum efficiency. J Appl Phys 104:123109
Meerheim R, Furno M, Hofmann S, Lüssem B, Leo K (2010) Quantification of energy loss mechanisms in organic light-emitting diodes. Appl Phys Lett 97:275
Kim S-Y, Kim J-J (2010) Outcoupling efficiency of organic light emitting diodes and the effect of ITO thickness. Org Electron 11:1010–1015
Lee J-H, Lee S, Kim J-B, Jang J, Kim J-J (2012) A high performance transparent inverted organic light emitting diode with 1, 4, 5, 8, 9, 11-hexaazatriphenylenehexacarbonitrile as an organic buffer layer. J Mater Chem 22:15262–15266
Kim JB, Lee JH, Moon CK, Kim SY, Kim JJ (2013) Highly enhanced light extraction from surface plasmonic loss minimized organic light-emitting diodes. Adv Mater 25:3571–3577
Kim KH, Moon CK, Lee JH, Kim SY, Kim JJ (2014) Highly efficient organic light-emitting diodes with phosphorescent emitters having high quantum yield and horizontal orientation of transition dipole moments. Adv Mater 26:3844–3847
Sun JW et al (2014) A fluorescent organic light-emitting diode with 30% external quantum efficiency. Adv Mater 26:5684–5688
Frischeisen J, Yokoyama D, Adachi C, Brütting W (2010) Determination of molecular dipole orientation in doped fluorescent organic thin films by photoluminescence measurements. Appl Phys Lett 96:073302. https://doi.org/10.1063/1.3309705
Flämmich M et al (2011) Oriented phosphorescent emitters boost OLED efficiency. Org Electron 12:1663–1668
Liehm P et al (2012) Comparing the emissive dipole orientation of two similar phosphorescent green emitter molecules in highly efficient organic light-emitting diodes. Appl Phys Lett 101:253304
Flämmich M et al (2010) Orientation of emissive dipoles in OLEDs: quantitative in situ analysis. Org Electron 11:1039–1046
Schmidt TD et al (2011) Evidence for non-isotropic emitter orientation in a red phosphorescent organic light-emitting diode and its implications for determining the emitter’s radiative quantum efficiency. Appl Phys Lett 99:225
Penninck L, Steinbacher F, Krause R, Neyts K (2012) Determining emissive dipole orientation in organic light emitting devices by decay time measurement. Org Electron 13:3079–3084
Lin H-W et al (2004) Anisotropic optical properties and molecular orientation in vacuum-deposited ter (9, 9-diarylfluorene) s thin films using spectroscopic ellipsometry. J Appl Phys 95:881–886
Yokoyama D, Sakaguchi A, Suzuki M, Adachi C (2008) Horizontal molecular orientation in vacuum-deposited organic amorphous films of hole and electron transport materials. Appl Phys Lett 93:394
Yokoyama D (2011) Molecular orientation in small-molecule organic light-emitting diodes. J Mater Chem 21:19187–19202
Yokoyama D, Nakayama KI, Otani T, Kido J (2012) Wide-range refractive index control of organic semiconductor films toward advanced optical design of organic optoelectronic devices. Adv Mater 24(47):6368–6373
Penninck L, De Visschere P, Beeckman J, Neyts K (2011) Dipole radiation within one-dimensional anisotropic microcavities: a simulation method. Opt Express 19:18558–18576
Purcell EM (1995) Spontaneous emission probabilities at radio frequencies. In: Confined Electrons and Photons. Springer, Boston, MA, pp 839–839
Lamansky S et al (2001) Highly phosphorescent bis-cyclometalated iridium complexes: synthesis, photophysical characterization, and use in organic light emitting diodes. J Am Chem Soc 123:4304–4312
Kim KH, Moon CK, Lee JH, Kim SY, Kim JJ (2014) Highly efficient organic light-emitting diodes with phosphorescent emitters having high quantum yield and horizontal orientation of transition dipole moments. Adv Mater 26:3844–3847. https://doi.org/10.1002/adma.201305733
Kim S-Y et al (2013) Organic light-emitting diodes with 30% external quantum efficiency based on a horizontally oriented emitter. Adv Func Mater 23:3896–3900. https://doi.org/10.1002/adfm.201300104
Park YS et al (2013) Exciplex-forming co-host for organic light-emitting diodes with ultimate efficiency. Adv Func Mater 23:4914–4920
Lee JH, Lee S, Yoo SJ, Kim KH, Kim JJ (2014) Langevin and trap-assisted recombination in phosphorescent organic light emitting diodes. Adv Func Mater 24:4681–4688
Lee S, Kim KH, Limbach D, Park YS, Kim JJ (2013) Low roll-off and high efficiency orange organic light emitting diodes with controlled co-doping of green and red phosphorescent dopants in an exciplex forming co-host. Adv Func Mater 23:4105–4110
Yokoyama D (2011) Molecular orientation in small-molecule organic light-emitting diodes. J Mater Chem 21:19187. https://doi.org/10.1039/c1jm13417e
Sasabe H et al (2011) Influence of substituted pyridine rings on physical properties and electron mobilities of 2-methylpyrimidine skeleton-based electron transporters. Adv Func Mater 21:336–342
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Moon, CK. (2019). Modeling of the Dipole Radiation in an Anisotropic Microcavity. In: Molecular Orientation and Emission Characteristics of Ir Complexes and Exciplex in Organic Thin Films. Springer Theses. Springer, Singapore. https://doi.org/10.1007/978-981-13-6055-8_2
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DOI: https://doi.org/10.1007/978-981-13-6055-8_2
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