Photoluminescence properties of tunable full-color-emitting CaZrO3: Ln (Ln = Tb3+, Eu3+, Tb3+/Eu3+) phosphors for white LEDs

XANES analysis of phosphate glasses melted with Tb4O7 and SnO: evaluating the impact of valence states on structural, thermal, and luminescent properties

“…The Tb glass displays characteristic Tb 3+ excitation peaks 2,3 with an additional broader band around 260 nm likely due to charge transfer transitions. 45 Further, the 1-5SnTb glasses show an amplified excitation band that grows with increasing tin content in the 1-5SnTb glasses, although not in proportion to the increase in Sn 2+ content analogous to the broad emission band in Fig. 9(a) as discussed above.…”

Research on Preparation and Luminescence Properties of Tm3+ -doped Glass Ceramics Containing NaLa(MoO4)2

“…Molybdate glass ceramics with rare earth ion doping may be made into a number of luminous materials. At present, these rare earth luminescent materials play an important role in white LED lighting, flat panel display, photoelectric detection, and other fields [1,2] . Under X-ray, electron beam, and ultraviolet stimulation, molybdate is a very effective luminescent material.…”

Excitation-Controlled Host–Guest Multicolor Luminescence in Lanthanide-Doped Calcium Zirconate for Information Encryption

“…For example, Kunti et al investigated the structural and luminescence properties of CaZrO 3 :Eu 3+ phosphors and disclosed the role of oxygen vacancy in the origin of the host CaZrO 3 emissions and the energy transfer mechanism through detailed experimental and theoretical research [36]. Zhang et al achieved tunable, full-color luminescence by managing the composition and doping concentration in Tb 3+ /Eu 3+ -doped CaZrO 3 phosphors [37]. Very recently, Ueda et al revealed that doped Eu 3+ ions occupy not only A sites, but also B sites, in CaZrO 3 , and that co-doping ions of different sizes can regulate the site-occupation proportions as well as the site-dependent Eu 3+ luminescence [38].…”

“…Very recently, Ueda et al revealed that doped Eu 3+ ions occupy not only A sites, but also B sites, in CaZrO 3 , and that co-doping ions of different sizes can regulate the site-occupation proportions as well as the site-dependent Eu 3+ luminescence [38]. However, it is clear that adjusting the dopant concentration [36,39] and introducing ions of different luminous colors, including different Ln 3+ ions [37,40] and non-rare-earth ions [41,42], are still the principal strategies by which to achieve multicolor luminescence; therefore, multicolor luminescence is still absent in composition-fixed Ln 3+ -doped CaZrO 3 . In addition, for the recently studied Tb 3+ /Eu 3+ co-doped colorful phosphors beyond CaZrO 3 , such as La 4 GeO 8 :Tb/Eu [43], K 5 Eu(MoO 4 ) 4 :Tb [44], MgF 2 :Tb/Eu [45], K 3 Lu(PO 4 ) 2 :Tb/Eu [46], Sr 3 MgSi 2 O 8 :Eu/Tb [47], and Gd 2 B 2 WO 9 :Eu/Tb [48], excitation-dependent multicolor luminescence is also very rare.…”