期刊
ACS APPLIED MATERIALS & INTERFACES
卷 11, 期 13, 页码 12179-12183出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.8b20534
关键词
LED; zeolite; silver cluster; defect; electroluminescence; charge transport
资金
- Agency for Innovation, Science and Technology (IWT) Flanders
- Belspo program [IAP VI/27, VII/05]
- KULeuven Research Fund [GOA 2011/3, C14/15/053]
- European Union [310651 SACS]
In this contribution, we report on the first time use of silver-exchanged zeolites embedded in the nonconductive polystyrene (PS) and their use as hybrid emitters in light-emitting diodes (ZEOLEDs). The turn on voltage and EL intensity are strongly dependent on the concentration of metal clusters. It is shown that the key to optimize this technology is improving the zeolite anode contact. Such an optimized device based on cheap abundant materials could provide an alternative for the commercial phosphor converted LEDs. A ZEOLED with a voltage polarity dependent color is demonstrated.
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