Synthesis and photoluminescence studies of Ba(Gd, Ln)B9O16:Eu3+ (Ln=La,Y) phosphors for n-UV LED lighting and display devices

Excited State Properties of Lanthanide(III) Complexes with a Nonadentate Bispidine Ligand

“…Luminescent lanthanide complexes generally have very narrow and metal‐ion‐specific emission spectra, large pseudo‐Stokes shifts, relatively high quantum yields ϕ (for Eu III and Tb III , e. g ., ϕ around 20–30 % [1,2] and 60 % [3] is common, and values up 90 % [4–6] have been reported), and long emission lifetimes of the order of milliseconds [7,8] . Potential applications include emissive optical materials and various kinds of biological probes, also including in‐cell imaging [9–15] . Major challenges for lanthanide‐based luminescence probes are the quantum yield and lifetime optimization, [12,16] and consequently, the limitation of non‐radiative deactivation processes like vibrational and/or rotational quenching or back‐energy transfer [17–19] .…”

“…[ 7 , 8 ] Potential applications include emissive optical materials and various kinds of biological probes, also including in‐cell imaging. [ 9 , 10 , 11 , 12 , 13 , 14 , 15 ] Major challenges for lanthanide‐based luminescence probes are the quantum yield and lifetime optimization,[ 12 , 16 ] and consequently, the limitation of non‐radiative deactivation processes like vibrational and/or rotational quenching or back‐energy transfer. [ 17 , 18 , 19 ] Quenching by the O−H overtones of water often occurs from coordinated H 2 O[ 20 , 21 ] but may also be due to H 2 O in the second coordination sphere, [22] and therefore, full encapsulation of the metal ions by the ligand is of great importance.…”

Hyper-stable organo-EuIII luminophore under high temperature for photo-industrial application

“…There has been significant interest in the development of luminescent lanthanide materials for use in devices such as fluorescent lamps 1 2 3 , LED lights 4 5 6 7 8 9 10 11 and displays 10 11 12 13 . Recently, we have focused on organo lanthanide luminophores with strong luminescent properties for a future energy saving measures 14 .…”

Thermosensitive Seven‐Coordinate TbIII Complexes with LLCT Transitions

“…Luminescent metal complexes have attracted attention because of their versatile photophysical properties for applications such as displays, fluorescent lamps, LED lights,, , cellular probes and sensors . The emission based on their charge transfer (CT) bands are strongly affected by the organic ligand moieties, coordination structure and coordination number.…”