Molecular switching in the near infrared (NIR) to visible/NIR f-f emission with a functional-lanthanide complexes.

Ga-Lai Law, Ka-Leung Wong, Yang-Yi Yang, Hai-Ling Yang, Wing-Tak Wong, Michael Hon-Wah Lam, Hoi-Lam Tam, Kok-Wai Cheah

Index: J. Fluoresc. 18(3-4) , 749-52, (2008)

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Abstract

We report the first observation of three photon induced NIR emission (890-1,400 nm) with NIR excitation (800 nm) from a newly synthesized organic neodymium complex with known molecular structure, suggests the potential use of lanthanide probes for use in three-dimensional imaging and further the study of multi- photon induced emission process in organic-lanthanide complexes.