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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 26, Number 2
BKCSDE 26(2)
February 20, 2005 

Recent Progress in Luminescent Lanthanide Complexes for Advanced Photonics Applications
Hwan Kyu Kim*, Jae Buem Oh, Nam Seob Baek, Soo-Gyun Roh, Min-Kook Nah, Yong Hee Kim
Luminescent lanthanide complexes, Lanthanide-cored dendrimer complexes, Near infrared emission, Energy transfer pathways, Advanced photonics applications
We have designed and developed novel luminescent lanthanide complexes for advanced photonics applications. Lanthanide(III) ions (Ln3+) were encapsulated by the luminescent ligands such as metalloporphyrins and naphthalenes. The energy levels of the luminescent ligands were tailored to maintain the effective energy transfer process from luminescent ligands to Ln3+ ions for getting a higher optical amplification gain. Also, key parameters for emission enhancement and efficient energy transfer pathways for the sensitization of Ln3+ ions by luminescent ligands were investigated. Furthermore, to enhance the optophysical properties of novel luminescent Ln3+ complexes, aryl ether-functionalized dendrons as photon antennas have been incorporated into luminescent Ln3+ complexes, yielding novel Ln(III)-cored dendrimer complex. The novel Ln(III)-cored dendrimer complex has much higher PL intensity than the corresponding simple complex, due to the efficient site-isolation effect. In this article, we will deal with recent progress in the synthesis and photophysical studies of inert and stable luminescent Ln3+ complexes for advanced photonics applications. Also, our review will include the exploratory investigation of the key parameters for emission enhancement and the effective energy transfer pathways from luminescent ligands to Ln3+ ions with Ln(III)- chelated prototype complexes.
201 - 214
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