A NEW STRUCTURE OF FLEXIBLE OLED WITH COPPER NANOWIRE ANODE AND GRAPHERE OXIDE/PEDOT: PSS ANODE BUFFER LAYER

2019 ◽  
Vol 27 (07) ◽  
pp. 1950171
Author(s):  
PING LIU ◽  
JIANGHAO WANG ◽  
JIE CHENG ◽  
LIMING LIU ◽  
HONGHANG WANG ◽  
...  
Keyword(s):  
Buffer Layer ◽  
Low Cost ◽  
Transparent Electrode ◽  
Driving Voltage ◽  
Large Area ◽  
Light Emitting ◽  
Conductive Films ◽  
Copper Nanowire ◽  
Anode Buffer Layer ◽  
Poly Styrene Sulfonate

A flexible organic light-emitting device (OLED) was produced using copper nanowire (CuNW) film as anode and Graphene oxide (GO)/poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) film as anode buffer layer. Compared with other transparent conductive films (TCFs), CuNWs are low cost, easy to fabricate, and compatible with flexible substrates over a large area. Due to these advantages, CuNWs are showing greater and greater promise for the next generation of TCF. Modified by PEDOT:PSS, the conductivity and work function of the CuNW film can be dramatically enhanced. However, PEDOT:PSS is highly acidic and easy to corrode the CuNW film, which will reduce maximum luminous brightness and current efficiency of the OLED. In this paper, GO/PEDOT:PSS was used as anode buffer layer to modify the CuNW anode and the composite transparent electrode exhibited excellent optoelectrical properties. The driving voltage of the OLED with CuNW/PEDOT:PSS is 6.2[Formula: see text]V, and the maximum luminous brightness is 2737.2[Formula: see text]cd/m2. The driving voltage of the OLED with CuNW/GO/PEDOT:PSS anode was reduced to 5.1[Formula: see text]V, and the maximum luminous brightness was improved to 3007.4[Formula: see text]cd/m2.

Patterning Organic Fluorescent Molecules with SAM Patterns

2011 ◽  
Vol 1335 ◽  
Author(s):  
Qiong Wu ◽  
Juanyuan Hao ◽  
Shoulei Shi ◽  
Weifeng Wang ◽  
Nan Lu
Keyword(s):  
Organic Molecules ◽  
Low Cost ◽  
Substrate Surface ◽  
Large Area ◽  
Self Assembled Monolayer ◽  
Storage Duration ◽  
Light Emitting ◽  
High Throughput Method ◽  
Self Assembled ◽  
Fluorescent Molecules

ABSTRACTWe report a low-cost and high-throughput method to fabricate large-area light emitting pattern via thermal evaporation of organic molecules on the patterned self-assembled monolayer of homogenous 3-aminopropyltrimethoxysilane. This method is based on the selective deposition of the organic light emitting molecules on the template of self-assembled monolayer (SAM), which is patterned with nanoimprinting lithography. The selectivity can be controlled by adjusting the design of the pattern, the storage duration and the substrate temperature. The deposition selectivity of the molecules may be caused by the different binding energy of the molecules with the SAM and the substrate surface.

Improved Performance of Organic Light-Emitting Diodes with MgF 2 as the Anode Buffer Layer

2006 ◽  
Vol 23 (4) ◽  
pp. 928-931 ◽  
Author(s):  
Xie Jing ◽  
Zhang De-Qiang ◽  
Wang Li-Duo ◽  
Duan Lian ◽  
Qiao Juan ◽  
...  
Keyword(s):  
Buffer Layer ◽  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Organic Light ◽  
Anode Buffer Layer ◽  
Improved Performance

Large-Area Wet Micro-Printing (LAMP)for Organic Device Patterning

2005 ◽  
Vol 871 ◽  
Author(s):  
Hongzheng Jin ◽  
James C. Sturm
Keyword(s):  
Surface Engineering ◽  
Low Cost ◽  
Large Area ◽  
Printing Plate ◽  
Light Emitting ◽  
Full Color ◽  
Important Challenge ◽  
One Step ◽  
Materials Used ◽  
Color Pixel

AbstractAn important challenge for Organic Light-Emitting Diodes (OLEDs) manufacturing is patterning method of the organic materials used for different colors. In this talk, a Large-Area wet Micro-Printing (LAMP) technique is proposed and demonstrated for organic device patterning. A printing plate is first prepared by surface engineering so that a designed surface energy pattern is achieved. The printing plate is then coated with “ink,” brought into contact the device substrate, and the “ink” is transferred. With this approach, the red (R), green (G) blue (B) sub-pixel arrays needed in a full-color display can be printed in three successive steps, one step for each color. Both single-color pixel arrays and R, G, B sub-pixel arrays have been patterned as a demonstration of the feasibility of this method. The technique has the potential advantages of low-cost and high-throughput and it avoids some of the practical problems associated with the design and operation of an ink-jet apparatus.

Mild oxygen plasma treated PEDOT:PSS as anode buffer layer for vacuum deposited organic light-emitting diodes

2006 ◽  
Vol 427 (4-6) ◽  
pp. 394-398 ◽  
Author(s):  
Yunfei Zhou ◽  
Yongbo Yuan ◽  
Jiarong Lian ◽  
Jie Zhang ◽  
Hongqi Pang ◽  
...  
Keyword(s):  
Buffer Layer ◽  
Oxygen Plasma ◽  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Organic Light ◽  
Anode Buffer Layer

scholarly journals A Low-Cost IEEE 802.15.7 Communication System Based on Organic Photodetection for Device-to-Device Connections

Sensors ◽  
2020 ◽  
Vol 20 (3) ◽  
pp. 714 ◽  
Author(s):  
Pablo Corral ◽  
Fernando Rodríguez-Mas ◽  
José Luis Alonso ◽  
Juan Carlos Ferrer ◽  
Susana Fernández de Ávila
Keyword(s):  
Communication System ◽  
Light Emitting Diode ◽  
Low Cost ◽  
Acid Methyl Ester ◽  
Visible Light Communication ◽  
Large Area ◽  
Light Emitting ◽  
Device To Device ◽  
Intensity Changes ◽  
Organic Photodetectors

In this article, we compare two different kinds of commercial light-emitting diodes (LEDs) in transmission and organic photodetectors based on poly(3-hexylthiophene) (P3HT) and a phenyl-C61-butyric acid methyl ester (PCBM) blend used as active layer in reception. Photovoltaic cells based on massive heterojunctions of semiconductor polymers have focused the attention of researchers due to their several potential advantages over their inorganic counterparts, such as their simplicity, low cost, and ability to process large area devices, even on flexible substrates. Furthermore, in logistics, storage management systems require the implementation of technological solutions that allow the control of merchandise in real time by means of light-emitting diode signals that send information about the product. However, the slow response time of these organic photodetectors should not be critical for this application, where the light intensity changes are very slow, which limits the speed of data transmission compared to inorganic based systems that use wireless optical communications. Finally, we show a low-cost visible light communication system based on organic photodetectors with a frame based on on-off keying with Manchester encoding to support device-to-device connections.

Sign in / Sign up

Export Citation Format

Share Document