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Near-IR Transient Absorption Study on Light Emitting Materials
Sadayuki Watanabe, Miki Murai, Yoshi Akitamaki, Akihiro Furube and Ryuzi Katoh

Transient absorption spectra of light emitting materials (Alq3 and Ir(ppy)3) have been measured in a wide wavelength range (400-1600 nm) to identify excited singlet and triplet states. It is shown that near-IR transient absorption measurements have an advantage for probing the excited state dynamics.

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