有机电致发光器件的电磁效应是指在不含任何磁性材料功能层的情况下,其电流或者发光受外加磁场影响而发生改变的现象.由于电磁效应具有极高的灵敏性,即使在室温和微小的外加磁场范围内也能发生,所以此效应具有较大的科学价值和社会应用前景,进而引起了科研人员极大的研究兴趣.详细介绍了该电磁效应的研究进展,重点阐述了磁电导/磁电阻以及磁电致发光的发展进程,对其在不同条件下出现的物理机制进行比较,并展望其应用前景.
参考文献
| [1] | Hayashi H;Sakaguchi Y;Wakasa M .Magnetic field effects and spin dynamics of radical reactions in solution[J].Bulletin of the Chemical Society of Japan,2001,74:773. |
| [2] | Niu L;Guan Y;Kong C et al.Highly efficient bipolar connecting layers for tandem organic light-emitting devices[J].Applied Physics(B),2011,105:857. |
| [3] | Naber WJM;Faez S;van der Wiel WG .Organic spintronics[J].Journal of Physics, D. Applied Physics: A Europhysics Journal,2007(12):R205-R228. |
| [4] | Ma H;Liu C;Zhang CJ;Jiang YS .Theoretical study of very high spin organic pi-conjugated polyradicals[J].The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory,2007(38):9471-9478. |
| [5] | Ren JF;Xiu MX .Effect of carrier differences on spin polarized injection into organic and inorganic semiconductors[J].Chinese physics letters,2008(7):2618-2621. |
| [6] | Sun Y R;Giebink N C;Kanno H et al.Managenament of singlet and triplet excitons for efficient white organic light emitting device[J].NATURE,2006,440:908. |
| [7] | Kalinowski J.;Cocchi M.;Virgili D.;Di Marco P.;Fattori V. .Magnetic field effects on emission and current in Alq(3)-based electroluminescent diodes[J].Chemical Physics Letters,2003(5-6):710-715. |
| [8] | Kalinowski J;Cocchi M;Virgili D P et al.Magnetic field effects on organic electro-phosphorescence[J].Physical Review B:Condensed Matter,2004,70:205303. |
| [9] | Francis T L;Mermer O;Veeraraghavan G et al.Large magnetoresistance at room temperature in semiconducting polymer sandwich devices[J].NEW JOURNAL OF PHYSICS,2004,6:185. |
| [10] | Hu B;Wu Y .Tuning magnetoresistance between positive and negative values in organic semiconductors[J].NATURE MATERIALS,2007,6:985. |
| [11] | Bobbert PA;Nguyen TD;van Oost FWA;Koopmans B;Wohlgenannt M .Bipolaron mechanism for organic magnetoresistance[J].Physical review letters,2007(21):216801-1-216801-4-0. |
| [12] | Bloom FL;Wagemans W;Kemerink M;Koopmans B .Separating positive and negative magnetoresistance in organic semiconductor devices[J].Physical review letters,2007(25):257201-1-257201-4-0. |
| [13] | Bloom F L;Wagemans W;Kemerink M et al.Correspon dence of the sign change in organic magnetoresistance with the onset of bipolar charge transport[J].Applied Physics Letters,2008,93:263302. |
| [14] | Bloom F L;Kemerink M;Wagemans W et al.Sign inversion of magnetoresistance in space-charge limited organic devices[J].Physical Review Letters,2009,103:066601. |
| [15] | Desai P;Shakya P;Kreouzis T;Gillin WP .The role of magnetic fields on the transport and efficiency of aluminum tris(8-hydroxyquinoline) based organic light emitting diodes[J].Journal of Applied Physics,2007(7):073710-1-073710-5-0. |
| [16] | Schellekens A J;Wagemans W;Kersten S P et al.Microscopic modeling of magnetic-field effects on charge transport in organic semiconductors[J].Physical Review B:Condensed Matter,2011,84:075204. |
| [17] | Desai P;Shakya P;Kreouzis T;Gillin WP .Magnetoresistance in organic light-emitting diode structures under illumination[J].Physical review, B. Condensed matter and materials physics,2007(23):235202-1-235202-5-0. |
| [18] | Desai P;Shakya P;Kreouzis T et al.Magnetoresistance and efficiency measurement of Alq3-based OLEDs[J].Physical Review B:Condensed Matter,2007,75:094423. |
| [19] | Merrifield R E .Theory of magnetic field effects on the mutual annihilation of triplet exciton[J].Journal of Chemical Physics,1968,48:4318. |
| [20] | Xiong Z H;Wu D;Vardney Z V et al.Giant magnetoresistance in organic spin-valves[J].NATURE,2004,427:821. |
| [21] | Lei Y L;Zhang Y;Liu R et al.Driving current and temperature dependent magnetic-field modulated electroluminescence in Alq3-based organic light emitting diode[J].ORGANIC ELECTRONICS,2009,10:889. |
| [22] | Iwasaki Y;Osasa T;Asahi M;Matsumura M;Sakaguchi Y;Suzuki T .Fractions of singlet and triplet excitons generated in organic light-emitting devices based on a polyphenylenevinylene derivative[J].Physical review, B. Condensed matter and materials physics,2006(19):5209-1-5209-8-0. |
| [23] | Ern V;Merrifield R E .Magnetic field effect on triplet exciton quenching in organic crystals[J].Physical Review Letters,1968,21:609. |
| [24] | Kido J;Lizumi Y .Fabrication of highly efficient organic electroluminescent devices[J].Applied Physics Letters,1998,73:2721. |
| [25] | Okumoto K;Kanno H;Takahashi H et al.Green fluorescent organic light-emitting device with external quantum efficiency of nearly 10 %[J].Applied Physics Letters,2006,89:063504. |
| [26] | Segal M;Singh M;Rivoire K;Difley S;Van Voorhis T;Baldo MA .Extrafluorescent electroluminescence in organic light-emitting devices[J].Nature materials,2007(5):374-378. |
| [27] | 刘荣,雷衍连,张勇,王振,熊祖洪.有机发光器件中的塞曼分裂和三重态激子的湮灭[J].中国科学G辑,2009(05):662-668. |
| [28] | Bobbert P A;Wagemans W;van Oost F W A et al.Theory for spin diffusion in disordered organic semiconductors[J].Physical Review Letters,2009,102:156604. |
| [29] | Zhang Y;Liu R;Lei Y L et al.Low temperature magnetic field effects in Alq3-based organic light emitting diodes[J].Applied Physics Letters,2009,94:083307. |
| [30] | Li F;Xin L Y;Liu S Y et al.Direct measurement of the magnetic field effect on carrier mobilities and recombination in tris-(8-hydroxyquinoline) aluminum based light-emitting diodes[J].Applied Physics Letters,2010,97:073301. |
| [31] | Bergeson JD;Prigodin VN;Lincoln DM;Epstein AJ .Inversion of magnetoresistance in organic semiconductors[J].Physical review letters,2008(6):067201-1-067201-4-0. |
| [32] | Prigodin VN;Bergeson JD;Lincoln DM;Epstein AJ .Anomalous room temperature magnetoresistance in organic semiconductors[J].Synthetic Metals,2006(9/10):757-761. |
| [33] | 张勇,陈林,刘亚莉,熊祖洪.Alq3有机发光二极管中的超小磁场效应[J].科学通报,2012(11):891-897. |
| [34] | Bloom FL;Wagemans W;Koopmans B .Temperature dependent sign change of the organic magnetoresistance effect[J].Journal of Applied Physics,2008(7 Pt.3):F7320-1-F7320-3-0. |
| [35] | 张勇,刘亚莉,焦威,陈林,熊祖洪.有机发光器件的磁电导效应[J].物理学报,2012(11):455-460. |
| [36] | 李东梅,王观勇,张巧明,游胤涛,熊祖洪†.激子复合区厚度对有机磁效应的影响[J].物理学报,2013(06):404-410. |
| [37] | Chen P;Lei Y L;Song Q L et al.Control of magnetoconductance through modifying the amount of dissociated excited states in tris-(8-hydroxyquinoline) aluminum-based organic light-emitting diodes[J].Applied Physics Letters,2010,96:203303. |
| [38] | CHEN Ping,LEI YanLian,LIU Rong,ZHANG QiaoMing,ZHANG Yong,XIONG ZuHong.Influence of DCM dye doping on the magnetic field dependent electroluminescence in organic light emitting diodes[J].中国科学:物理学 力学 天文学（英文版）,2010(01):24-29. |
| [39] | Nguyen TD;Sheng Y;Rybicki J;Wohlgenannt M .Magnetic field-effects in bipolar, almost hole-only and almost electron-only tris-(8-hydroxyquinoline) aluminum devices[J].Physical review, B. Condensed matter and materials physics,2008(23):235209-1-235209-5-0. |
| [40] | Liu R;Zhang Y;Xiong Z H et al.Magnetic field dependent triplet-triplet annihilation in Alq3-based organic light emitting diodes at different temperatures[J].Journal of Applied Physics,2009,105:093719. |
| [41] | 牛连斌,关云霞.富勒烯掺杂NPB空穴传输层的有机电致发光器件[J].物理学报,2009(07):4931-4935. |
| [42] | Niedermeier U;Vieth M;Pǎtzold R et al.Enhancement of organic magnetoresistance by electrical conditioning[J].Applied Physics Letters,2008,92:193309. |
| [43] | Mermer O;Veeraraghavan G;Francis T L et al.Large magnetoresistance in nonmagnetic π-conjugated semiconductor thin film devices[J].Physical Review B:Condensed Matter,2005,72:205202. |
| [44] | Veeraraghavan G;Nguyen TD;Sheng Y;Mermer O;Wohlgenannt M .Magnetic field effects on current, electroluminescence and photocurrent in organic light-emitting diodes[J].Journal of Physics. Condensed Matter,2007(26):36209-1-36209-13-0. |
| [45] | 刘荣,张勇,雷衍连,陈平,张巧明,熊祖洪.LiF插层对有机发光二极管磁场效应的调控[J].物理学报,2010(06):4283-4289. |
| [46] | Odaka H;Okimoto Y;Yamada T et al.Control of magnetic-field effect on electroluminescence in Alq3-based organic light emitting diodes[J].Applied Physics Letters,2006,88:123501. |
| [47] | Hu B;Yan L;Shao M .Magnetic field effect in organic semiconducting materials and devices[J].Advanced Materials,2009,21:1500. |
| [48] | 陈平,雷衍连,刘荣,张巧明,张勇,熊祖洪.DCM染料掺杂对有机电致发光磁效应的影响[J].中国科学G辑,2009(10):1459-1466. |
| [49] | Chen P;Song Q L;Choy W C H .A possible mechanism to tune magneto-electroluminescence in organic light-emitting diodes through adjusting the triplet exciton density[J].Applied Physics Letters,2011,99:143305. |
| [50] | Qiming Peng;Ping Chen;Feng Li .The charge-trapping and triplet-triplet annihilation processes in organic light-emitting diodes: A duty cycle dependence study on magneto-electroluminescence[J].Applied physics letters,2013(2):023301-1-023301-5. |
| [51] | Chen Ping;Peng Qiming;Yao Liang et al.Identifying the efficient inter-conversion between singlet and triplet chargetransfer states by magneto-electroluminescence study[J].Applied Physics Letters,2013,102:063301. |
| [52] | Peng Qiming;Gao Na;Li Weijun et al.Investigation of energy transfer and charge trapping in dye-doped organic light-emitting diodes by magneto-electroluminescence measurement[J].Applied Physics Letters,2013,102:193304. |
| [53] | Kersten S P;Schellekens A J;Koopmans B et al.Magnetic-field dependence of the electroluminescence of organic light-emitting diodes:A competition between exciton formation and spin mixing[J].Physical Review Letters,2011,106:197402. |
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