Flexible Light-Emitting Diodes Based on Vertical Nitride Nanowires

Nano Letters
Xing DaiM Tchernycheva

Abstract

We demonstrate large area fully flexible blue LEDs based on core/shell InGaN/GaN nanowires grown by MOCVD. The fabrication relies on polymer encapsulation, nanowire lift-off and contacting using silver nanowire transparent electrodes. The LEDs exhibit rectifying behavior with a light-up voltage around 3 V. The devices show no electroluminescence degradation neither under multiple bending down to 3 mm curvature radius nor in time for more than one month storage in ambient conditions without any protecting encapsulation. Fully transparent flexible LEDs with high optical transmittance are also fabricated. Finally, a two-color flexible LED emitting in the green and blue spectral ranges is demonstrated combining two layers of InGaN/GaN nanowires with different In contents.

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Citations

Dec 15, 2015·ACS Applied Materials & Interfaces·Andrey BabichevVladimir Y Butko
Jun 23, 2016·ACS Photonics·Nan GuanMaria Tchernycheva
Apr 23, 2016·Nanoscale Research Letters·Byung Oh JungHiroshi Amano
Sep 13, 2016·ACS Applied Materials & Interfaces·Hezhi ZhangMaria Tchernycheva
Mar 28, 2017·Scientific Reports·Si-Young BaeHiroshi Amano
Apr 27, 2017·Nanoscale·Yao GaoTong-Yi Zhang
Mar 24, 2018·Chemical Science·Nan GuanMaria Tchernycheva
Dec 17, 2016·Nanotechnology·Xu ZhangC C Yang
Jul 30, 2020·Micromachines·Sehui ChangYoung Min Song
Mar 11, 2017·Nanotechnology·Yaozhong ZhangJunghoon Yeom
Sep 21, 2016·Advanced Materials·Leilei GuZhiyong Fan
Nov 20, 2020·Nanomaterials·Nan GuanMaria Tchernycheva
Dec 31, 2020·Nanomaterials·Sung-Un Kim, Yong-Ho Ra
Sep 8, 2020·ACS Applied Materials & Interfaces·Vincent GrenierChristophe Durand
Sep 27, 2019·ACS Applied Materials & Interfaces·Rui FengXiaohao Wang
Oct 19, 2019·ACS Nano·Pilar Espinet-GonzalezHarry A Atwater
Jan 18, 2018·ACS Applied Materials & Interfaces·Amine El KacimiJoël Eymery
Mar 27, 2020·ACS Applied Materials & Interfaces·Akanksha KapoorChristophe Durand
Aug 28, 2021·ACS Applied Materials & Interfaces·Yu-Hang JiPaul K Chu
Sep 2, 2021·Optics Letters·Dolf TimmermanYasufumi Fujiwara
May 8, 2017··Joël EymeryChristophe Durand

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