Photoluminescence studies on Eu doped TiO2 nanoparticles

Synthesis and luminescent properties of TiO2:Eu3+ nanotubes

“…Nngthoujam R.S. et al [11] studied the luminescent properties of TiO 2 :Eu 3+ nanoparticles, and the results showed that the as-prepared nanoparticles had the enhanced luminescence intensity due to energy transfer from host to europium ions; Jiguang Li et al [12] synthesized Eu 3+ -doped TiO 2 luminescent nanocrystals, and confirmed the efficient nonradiative energy transfer from the TiO 2 host to Eu 3+ ions by combination studies of excitation, UV-VIS and PL spectroscopy; Changwen Jia et al [13] fabricated Tb 3+ -doped titania (TiO 2 ) films by sol-gel method and obtained strong visible luminescence of Tb 3+ ions due to intra-4f shell transitions. However, there was little reported about the preparation of the TiO 2 nanotubes doped with rare earth ions and discussion of the effects of morphology of TiO 2 on the luminescence of rare earth ions doped TiO 2 .…”

Luminescence properties of europium titanate thin films grown by atomic layer deposition

“…The synthesis routes includes hydrothermal, [8][9][10] solgel, [11][12][13][14][15][16][17][18][19][20] high temperature ring, 21 ame pyrolysis 22 and electrospinning. 23,24 The different types of microstructures includes hollow spheres, 8 thin lms, 12,16,17,19,20 porous lms, 13,18 nanoparticles, 9,15,22,25 nanobers, 23,24 nanotubes 10 and powders.…”

Influence of niobium doping on phase composition and defect-mediated photoluminescence properties of Eu3+-doped TiO2 nanopowders synthesized in Ar/O2 thermal plasma

“…Titania (TiO 2 ) semiconductor exhibiting excellent thermal, chemical, and mechanical properties has been reported to be a promising candidate as a host material for the Eu 3+ activator [14][15][16][17][18][19][20]. Since the direct excitation of the parityforbidden intra-f-shell lanthanide ion crystal-field transitions is inefficient, most photoluminescence (PL) phosphors have primarily been targeted at the bright emission in the visible range under indirect excitation by ultraviolet (UV) light [21][22][23][24][25][26][27].…”