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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201806817
|2 doi
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|a pubmed24n0975.xml
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|a (DE-627)NLM292730373
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|a (NLM)30645012
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Prieto-Ruiz, Juan Pablo
|e verfasserin
|4 aut
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|a Enhancing Light Emission in Interface Engineered Spin-OLEDs through Spin-Polarized Injection at High Voltages
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|c 2019
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 06.03.2019
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|a Date Revised 01.10.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a The quest for a spin-polarized organic light-emitting diode (spin-OLED) is a common goal in the emerging fields of molecular electronics and spintronics. In this device, two ferromagnetic (FM) electrodes are used to enhance the electroluminescence intensity of the OLED through a magnetic control of the spin polarization of the injected carriers. The major difficulty is that the driving voltage of an OLED device exceeds a few volts, while spin injection in organic materials is only efficient at low voltages. The fabrication of a spin-OLED that uses a conjugated polymer as bipolar spin collector layer and ferromagnetic electrodes is reported here. Through a careful engineering of the organic/inorganic interfaces, it is succeeded in obtaining a light-emitting device showing spin-valve effects at high voltages (up to 14 V). This allows the detection of a magneto-electroluminescence (MEL) enhancement on the order of a 2.4% at 9 V for the antiparallel (AP) configuration of the magnetic electrodes. This observation provides evidence for the long-standing fundamental issue of injecting spins from magnetic electrodes into the frontier levels of a molecular semiconductor. The finding opens the way for the design of multifunctional devices coupling the light and the spin degrees of freedom
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|a Journal Article
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|a molecular spintronics
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|a multifunctional spintronic devices
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|a spin-OLED
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|a spin-injection
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|a Miralles, Sara Gómez
|e verfasserin
|4 aut
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|a Prima-García, Helena
|e verfasserin
|4 aut
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1 |
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|a López-Muñoz, Angel
|e verfasserin
|4 aut
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|a Riminucci, Alberto
|e verfasserin
|4 aut
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|a Graziosi, Patrizio
|e verfasserin
|4 aut
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|a Aeschlimann, Martin
|e verfasserin
|4 aut
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| 700 |
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|a Cinchetti, Mirko
|e verfasserin
|4 aut
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| 700 |
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|a Dediu, Valentin Alek
|e verfasserin
|4 aut
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| 700 |
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|a Coronado, Eugenio
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 31(2019), 10 vom: 01. März, Seite e1806817
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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|g volume:31
|g year:2019
|g number:10
|g day:01
|g month:03
|g pages:e1806817
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|u http://dx.doi.org/10.1002/adma.201806817
|3 Volltext
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