Nanotechnology Now







Heifer International

Wikipedia Affiliate Button


DHgate

Home > Press > 2 in 1 solution for low cost polymer LEDs and solar cells: Affordable, simple yet high-performance PLEDs and PSCs are here soon

Abstract:
Considerable improvement in device performance of polymer-based optoelectronic devices is reported today by researchers from Ulsan National Institute of Science and Technology (UNIST), South Korea. The new plasmonic material, can be applied to both polymer light-emitting diodes (PLEDs) and polymer solar cells (PSCs), with world-record high performance, through a simple and cheap process.

2 in 1 solution for low cost polymer LEDs and solar cells: Affordable, simple yet high-performance PLEDs and PSCs are here soon

Ulsan, South Korea | Posted on July 22nd, 2013

The contrary demands of these devices mean that there are few metal nanoparticles that can enhance performance in PLEDs and PSCs at the same time.



Most semiconducting optoelectronic devices (OEDs), including photodiodes, solar cells, light emitting diodes (LEDs), and semiconductor lasers, are based on inorganic materials. Examples include gallium nitride for light-emitting diodes and silicon for solar cells.



Due to the limited availability of raw materials and the complex processing required to manufacture OEDs based on inorganic materials, the cost of device fabrication is increasing. There is great interest in thin-film OEDs that are made from alternative semiconductors.



Among these materials, organic semiconductors have received much attention for use in next-generation OEDs because of the potential for low-cost and large-area fabrication using solution processing.



Despite extensive efforts to develop new materials and device architectures enhancing the performance of these devices, further improvements in efficiency are needed, before there can be widespread use and commercialization of these technologies.



The material prepared by the UNIST research team is easy to synthesize with basic equipment and has low-temperature solution processability. This low-temperature solution processability enables roll-to-roll mass production techniques and is suitable for printed electronic devices.



"Our work is significant also because it anticipates the realization of electrically driven laser devices by utilizing carbon dot*-supported silver nanoparticles (CD-Ag NPs) as plasmonic materials." says said Prof. Byeong-Su Kim. "The material allows significant radiative emission and additional light absorption, leading to remarkably enhanced current efficiency."



Surface Plasmon resonance is an electro-magnetic wave propagating along the surface of a thin metal layer and the collective oscillation of electrons in a solid or liquid stimulated by incident light. SPR is the basis of many standard tools for measuring adsorption of materials onto planar metal (typically gold and silver) surfaces or onto the surface of metal nanoparticles.



The team demonstrated efficient PLEDs and PSCs using surface Plasmon resonance enhancement with CD-Ag NPs. The PLEDs achieved a remarkably high current efficiency (from 11.65 to 27.16 cd A-1) and luminous efficiency (LE) (from 6.33 to 18.54 lm W-1).



PSCs produced in this way showed enhanced power conversion efficiency (PCE) (from 7.53 to 8.31%) and internal quantum efficiency (IQE) (from 91 to 99% at 460 nm). The LE (18.54 lm W-1) and IQE (99%) are among the highest values reported to date in fluorescent PLEDs and PSCs, respectively.



"These significant improvements in device efficiency demonstrate that surface Plasmon resonance materials constitute a versatile and effective route for achieving high performance polymer LEDs and polymer solar cells," said Prof. Jin Young Kim. "This approach shows promise as a route for the realization of electrically driven polymer lasers."



The fellow researchers include Hyosung Choi, Seo-Jin Ko, Yuri Choi, Taehyo Kim, Boram Lee, and Prof. Myung Hoon Song from UNIST, and researchers from Chungnam National University, Pusan National University, and Gwangju Institute of Science and Technology.



This research was supported by a WCU (World Class University) program through the Korea Science and Engineering Foundation funded by the Ministry of Education, Science and Technology, the National Research Foundation of Korea Grant, the Korea Healthcare technology R&D Project, the Ministry of Health & Welfare, Korea and the International Cooperation of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) grant funded by the Korean government Ministry of Knowledge Economy.

*Carbon-dot: Carbon dots (CDs) consist of carbon, hydrogen, and oxygen with a quasi-spherical structure in which the carbon shows the character of crystalline graphite.

The full article is: Enclosed is our manuscript entitled, "Surface plasmon resonance of carbon dot-supported silver nanoparticles: Versatility in polymer optoelectronic devices". Nature Photonics. DOI: 10.1038/nphoton.2013.181

####

For more information, please click here

Contacts:
Eunhee Song

82-522-171-224

Copyright © Ulsan National Institute of Science and Technology(UNIST)

If you have a comment, please Contact us.

Issuers of news releases, not 7th Wave, Inc. or Nanotechnology Now, are solely responsible for the accuracy of the content.

Bookmark:
Delicious Digg Newsvine Google Yahoo Reddit Magnoliacom Furl Facebook

Related Links

Homepage of Prof. Jin Young Kim:

Homepage of Prof. Byeong-Su Kim:

Related News Press

News and information

UT Dallas engineers twist nanofibers to create structures tougher than bulletproof vests March 27th, 2015

Novel nanoparticle therapy promotes wound healing March 27th, 2015

Designer's toolkit for dynamic DNA nanomachines: Arm-waving nanorobot signals new flexibility in DNA origami March 27th, 2015

Using magnetic fields to understand high-temperature superconductivity: Los Alamos explores experimental path to potential 'next theory of superconductivity' March 27th, 2015

Thin films

LAMDAMAP 2015 hosted by the University March 26th, 2015

A new method for making perovskite solar cells March 16th, 2015

Engineers create chameleon-like artificial 'skin' that shifts color on demand March 12th, 2015

Display technology/LEDs/SS Lighting/OLEDs

Haydale Announce Dedicated Graphene Inks Manufacturing Capability March 25th, 2015

Caltech scientists develop cool process to make better graphene March 18th, 2015

Govt.-Legislation/Regulation/Funding/Policy

UT Dallas engineers twist nanofibers to create structures tougher than bulletproof vests March 27th, 2015

Novel nanoparticle therapy promotes wound healing March 27th, 2015

Designer's toolkit for dynamic DNA nanomachines: Arm-waving nanorobot signals new flexibility in DNA origami March 27th, 2015

Using magnetic fields to understand high-temperature superconductivity: Los Alamos explores experimental path to potential 'next theory of superconductivity' March 27th, 2015

Discoveries

Chemists make new silicon-based nanomaterials March 27th, 2015

UT Dallas engineers twist nanofibers to create structures tougher than bulletproof vests March 27th, 2015

Novel nanoparticle therapy promotes wound healing March 27th, 2015

Designer's toolkit for dynamic DNA nanomachines: Arm-waving nanorobot signals new flexibility in DNA origami March 27th, 2015

Materials/Metamaterials

Chemists make new silicon-based nanomaterials March 27th, 2015

UT Dallas engineers twist nanofibers to create structures tougher than bulletproof vests March 27th, 2015

Using magnetic fields to understand high-temperature superconductivity: Los Alamos explores experimental path to potential 'next theory of superconductivity' March 27th, 2015

Industrial Nanotech, Inc. Announces Next Large Order from the Oil and Gas Industry March 26th, 2015

Announcements

UT Dallas engineers twist nanofibers to create structures tougher than bulletproof vests March 27th, 2015

Novel nanoparticle therapy promotes wound healing March 27th, 2015

Designer's toolkit for dynamic DNA nanomachines: Arm-waving nanorobot signals new flexibility in DNA origami March 27th, 2015

Using magnetic fields to understand high-temperature superconductivity: Los Alamos explores experimental path to potential 'next theory of superconductivity' March 27th, 2015

Interviews/Book Reviews/Essays/Reports/Podcasts/Journals/White papers

Chemists make new silicon-based nanomaterials March 27th, 2015

UT Dallas engineers twist nanofibers to create structures tougher than bulletproof vests March 27th, 2015

Novel nanoparticle therapy promotes wound healing March 27th, 2015

Designer's toolkit for dynamic DNA nanomachines: Arm-waving nanorobot signals new flexibility in DNA origami March 27th, 2015

Energy

LAMDAMAP 2015 hosted by the University March 26th, 2015

SUNY Poly & M+W Make Major Announcement: Major Expansion To Include M+W Owned Gehrlicher Solar America Corporation That Will Create up to 400 Jobs to Develop Solar Power Plants at SUNY Poly Sites Across New York State March 26th, 2015

Hong Kong Investors Bullish on Dais Analytic Invest $5.75M, Provide $60M Contract, and Create New Joint Venture Company March 26th, 2015

Industrial Nanotech, Inc. Announces Next Large Order from the Oil and Gas Industry March 26th, 2015

Photonics/Optics/Lasers

Chemists make new silicon-based nanomaterials March 27th, 2015

Bar-Ilan U. researchers identify 'tipping point' between quantum and classical worlds: Study sheds new light on 'spooky' quantum optics March 24th, 2015

UW scientists build a nanolaser using a single atomic sheet March 24th, 2015

Building shape inspires new material discovery March 24th, 2015

Solar/Photovoltaic

LAMDAMAP 2015 hosted by the University March 26th, 2015

SUNY Poly & M+W Make Major Announcement: Major Expansion To Include M+W Owned Gehrlicher Solar America Corporation That Will Create up to 400 Jobs to Develop Solar Power Plants at SUNY Poly Sites Across New York State March 26th, 2015

New kind of 'tandem' solar cell developed: Researchers combine 2 types of photovoltaic material to make a cell that harnesses more sunlight March 24th, 2015

Caltech scientists develop cool process to make better graphene March 18th, 2015

Printing/Lithography/Inkjet/Inks

Haydale Announce Dedicated Graphene Inks Manufacturing Capability March 25th, 2015

NC State researchers create 'nanofiber gusher': Report method of fabricating larger amounts of nanofibers in liquid March 19th, 2015

'Additive manufacturing' could greatly improve diabetes management March 17th, 2015

Advantest to Exhibit at SEMICON China in Shanghai, China, March 17-19: Showcasing Broad Portfolio of Semiconductor Products, Technologies and Solutions March 10th, 2015

NanoNews-Digest
The latest news from around the world, FREE




  Premium Products
NanoNews-Custom
Only the news you want to read!
 Learn More
NanoTech-Transfer
University Technology Transfer & Patents
 Learn More
NanoStrategies
Full-service, expert consulting
 Learn More










ASP
Nanotechnology Now Featured Books




NNN

The Hunger Project







© Copyright 1999-2015 7th Wave, Inc. All Rights Reserved PRIVACY POLICY :: CONTACT US :: STATS :: SITE MAP :: ADVERTISE