Abstract
We present highly flexible metal-oxide composite transparent conductive electrodes to apply in flexible organic light emitting diodes (f-OLED). Ag nanoparticle (AgNP) solution were spin coated on polymer substrate to uniformly distribute 50nm diameter AgNPs. With O 2 plasma treatment, oxides formed on AgNPs. Indium tin oxide (ITO) was sputtered on AgNPs-coated substrates. The microstructural analysis by transmission electron microscopy revealed that the ITO on AgNPs grew as domains along (222) that was the mechanically strongest orientation. The rest of ITO around the domains had mixed growth orientations. Decreasing bending radius to 8mm, there was little electrical resistivity change in hybrid transparent conductive electrode (TCE), while ITO on bare polymer became almost insulating by severe cracking. With oxide layers on AgNPs, the optical transmittance of hybrid TCE improved by 7% as the oxides reduced light absorbance. f-OLED was successfully fabricated on hybrid TCE without top-coat, performing better than that on commercial ITO.
| Original language | English |
|---|---|
| Article number | 05FB13 |
| Journal | Japanese Journal of Applied Physics |
| Volume | 53 |
| Issue number | 5 SPEC. ISSUE 1 |
| DOIs | |
| Publication status | Published - 2014 Jan 1 |
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All Science Journal Classification (ASJC) codes
- Engineering(all)
- Physics and Astronomy(all)
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Hybrid-structured indium tin oxide with Ag nanoparticles as crystalline seeds for transparent electrode with enhanced flexibility and its application to organic light emitting diodes. / Triambulo, Ross E.; Cheong, Hahn Gil; Zhou, Huanyu; Lee, Gun Hwan; Park, jin woo.
In: Japanese Journal of Applied Physics, Vol. 53, No. 5 SPEC. ISSUE 1, 05FB13, 01.01.2014.Research output: Contribution to journal › Article
TY - JOUR
T1 - Hybrid-structured indium tin oxide with Ag nanoparticles as crystalline seeds for transparent electrode with enhanced flexibility and its application to organic light emitting diodes
AU - Triambulo, Ross E.
AU - Cheong, Hahn Gil
AU - Zhou, Huanyu
AU - Lee, Gun Hwan
AU - Park, jin woo
PY - 2014/1/1
Y1 - 2014/1/1
N2 - We present highly flexible metal-oxide composite transparent conductive electrodes to apply in flexible organic light emitting diodes (f-OLED). Ag nanoparticle (AgNP) solution were spin coated on polymer substrate to uniformly distribute 50nm diameter AgNPs. With O 2 plasma treatment, oxides formed on AgNPs. Indium tin oxide (ITO) was sputtered on AgNPs-coated substrates. The microstructural analysis by transmission electron microscopy revealed that the ITO on AgNPs grew as domains along (222) that was the mechanically strongest orientation. The rest of ITO around the domains had mixed growth orientations. Decreasing bending radius to 8mm, there was little electrical resistivity change in hybrid transparent conductive electrode (TCE), while ITO on bare polymer became almost insulating by severe cracking. With oxide layers on AgNPs, the optical transmittance of hybrid TCE improved by 7% as the oxides reduced light absorbance. f-OLED was successfully fabricated on hybrid TCE without top-coat, performing better than that on commercial ITO.
AB - We present highly flexible metal-oxide composite transparent conductive electrodes to apply in flexible organic light emitting diodes (f-OLED). Ag nanoparticle (AgNP) solution were spin coated on polymer substrate to uniformly distribute 50nm diameter AgNPs. With O 2 plasma treatment, oxides formed on AgNPs. Indium tin oxide (ITO) was sputtered on AgNPs-coated substrates. The microstructural analysis by transmission electron microscopy revealed that the ITO on AgNPs grew as domains along (222) that was the mechanically strongest orientation. The rest of ITO around the domains had mixed growth orientations. Decreasing bending radius to 8mm, there was little electrical resistivity change in hybrid transparent conductive electrode (TCE), while ITO on bare polymer became almost insulating by severe cracking. With oxide layers on AgNPs, the optical transmittance of hybrid TCE improved by 7% as the oxides reduced light absorbance. f-OLED was successfully fabricated on hybrid TCE without top-coat, performing better than that on commercial ITO.
UR - http://www.scopus.com/inward/record.url?scp=84903310239&partnerID=8YFLogxK
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U2 - 10.7567/JJAP.53.05FB13
DO - 10.7567/JJAP.53.05FB13
M3 - Article
VL - 53
JO - Japanese Journal of Applied Physics, Part 1: Regular Papers & Short Notes
JF - Japanese Journal of Applied Physics, Part 1: Regular Papers & Short Notes
SN - 0021-4922
IS - 5 SPEC. ISSUE 1
M1 - 05FB13
ER -