Red GaPAs/GaP Nanowire-Based Flexible Light-Emitting Diodes

We demonstrate flexible red light-emitting diodes based on axial GaPAs/GaP heterostructured nanowires embedded in polydimethylsiloxane membranes with transparent electrodes involving single-walled carbon nanotubes. The GaPAs/GaP axial nanowire arrays were grown by molecular beam epitaxy, encapsulate...

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Bibliographic Details
Published in:Nanomaterials (Basel, Switzerland) Switzerland), 2021-09, Vol.11 (10), p.2549
Main Authors: Neplokh, Vladimir, Fedorov, Vladimir, Mozharov, Alexey, Kochetkov, Fedor, Shugurov, Konstantin, Moiseev, Eduard, Amador-Mendez, Nuño, Statsenko, Tatiana, Morozova, Sofia, Krasnikov, Dmitry, Nasibulin, Albert G., Islamova, Regina, Cirlin, George, Tchernycheva, Maria, Mukhin, Ivan
Format: Article
Language:English
Subjects:
Advanced manufacturing technologies
Arrays
Carbon
Efficiency
Electroluminescence
Energy
Epitaxial growth
flexible LED
Gallium phosphides
GaPAs
Geometry
Light emitting diodes
Medical equipment
Membranes
Molecular beam epitaxy
Nanotechnology
Nanotubes
Nanowires
Polydimethylsiloxane
Silicon substrates
Single wall carbon nanotubes
single-walled carbon nanotubes
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Summary:We demonstrate flexible red light-emitting diodes based on axial GaPAs/GaP heterostructured nanowires embedded in polydimethylsiloxane membranes with transparent electrodes involving single-walled carbon nanotubes. The GaPAs/GaP axial nanowire arrays were grown by molecular beam epitaxy, encapsulated into a polydimethylsiloxane film, and then released from the growth substrate. The fabricated free-standing membrane of light-emitting diodes with contacts of single-walled carbon nanotube films has the main electroluminescence line at 670 nm. Membrane-based light-emitting diodes (LEDs) were compared with GaPAs/GaP NW array LED devices processed directly on Si growth substrate revealing similar electroluminescence properties. Demonstrated membrane-based red LEDs are opening an avenue for flexible full color inorganic devices.
ISSN:2079-4991
2079-4991
DOI:10.3390/nano11102549