By Kohei Miyata

This thesis offers with strongly luminescent lanthanide complexes having novel coordination constructions. Luminescent lanthanide complexes are promising applicants as lively fabrics for EL units, lasers, and bio-sensing purposes. The natural ligands in lanthanide complexes regulate geometrical and vibrational frequency constructions which are heavily relating to the luminescent houses. In lots of the past paintings, besides the fact that, lanthanide complexes have high-vibrational frequency C–H devices just about the steel heart for radiationless transition. during this thesis, the luminescent homes of lanthanide complexes with low-vibrational frequency C–F and P=O devices are elucidated by way of geometrical, vibrational, and chemical buildings. the writer additionally describes lanthanide coordination polymers with either excessive thermal balance (decomposition element > 300°C) and strong-luminescent houses (emission quantum yield > 80%). the writer believes that novel experiences at the attribute buildings and photophysical houses of lanthanide complexes might open up a frontier box in photophysical, coordination and fabric chemistry.

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64 % °C-1). This result indicates that the energy is transferred to both the excited triplet state of the hfa ligands (BEnT) and to the Eu(III) ion from the emitting level of the Tb(III) ion. The energy transfer from Tb(III) to Eu(III) strongly depends on the temperature, giving rise to temperature-dependent ratios of the luminescence intensities of the Tb(III) emission bands and the Eu(III) emission bands. The energy transfer can be explained by the Förster mechanism. 01(hfa)3(dpbp)]n and [Tb(hfa)3(dpbp)]n, respectively.

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