期刊
ADVANCED MATERIALS
卷 21, 期 17, 页码 1690-+出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.200801908
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资金
- Korea Science and Engineering Foundation (KOSEF)
- Center for Nanotubes and Nanostructured Composites [R11-2001-091-00000-0]
- Acceleration Research Program [R17-2007-059-01000-0]
- KOSEF [ROA2008-000-20108-0]
- NANO Systems Institute-National Core Research Program (NSI-NCRC) [R15-2003-032-02002-0]
- Ministry of Education, Science, and Technology (MEST)
- National Research Foundation of Korea [2007-0054923, 2007-0056577, 과06A1501, 2008-0060164, 과C6A1903] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Highly efficient green-1ight-emitting diodes (LEDs) based on CdSe@ZnS quantum dots (QDs) with a chemical-composition gradient are demonstrated. Through the moderate control of QD coverage in multilayered devices, excellent device performance has been achieved. The color-saturated green-light emission (see figure for Commission Internationale de I'Eclairage (CIE) co-ordinates) is mainly from the QD layers (more than 99% of total emission).
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