Journal
NATURE PHOTONICS
Volume 7, Issue 9, Pages 732-738Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/NPHOTON.2013.181
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Funding
- WCU (World Class University) programme through the Korea Science and Engineering Foundation
- Ministry of Education, Science and Technology [R31-2008-000-20012-0]
- National Research Foundation of Korea [2009-0093020]
- Korea Healthcare technology R&D Project, Ministry of Health Welfare, Korea [A091047]
- International Cooperation of the Korea Institute of Energy Technology Evaluation and Planning (KETEP)
- Korea Government Ministry of Knowledge Economy [2012T100100740]
- Korea Evaluation Institute of Industrial Technology (KEIT) [20128520010010] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- National Research Foundation of Korea [R31-2012-000-20012-0] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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The coupling of surface plasmons and excitons in organic materials can improve the performance of organic optoelectronic devices. Here, we prepare carbon-dot-supported silver nanoparticles (CD-Ag nanoparticles) using the carbon dots both as a reducing agent and a template to fabricate solution-processable polymer light-emitting diodes and polymer solar cells. The surface plasmon resonance effect of CD-Ag nanoparticles allows significant radiative emission and additional light absorption, leading to remarkably enhanced current efficiency of 27.16 cd A(-1) and a luminous efficiency of 18.54 lm W-1 in polymer light-emitting diodes as well as a power conversion efficiency of 8.31% and an internal quantum efficiency of 99% in polymer solar cells compared with control devices (current efficiency = 11.65 cd A(-1) and luminous efficiency = 6.33 lm W-1 in polymer light-emitting diodes; power conversion efficiency = 7.53% and internal quantum efficiency = 91% in polymer solar cells). These results demonstrate that CD-Ag nanoparticles constitute a versatile and effective route for achieving high-performance polymer optoelectronic devices.
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