Novel photoluminescence of SrZrO3 nanocrystals synthesized through a facile combustion method

Enhanced photocatalytic activity for hydrogen evolution of SrZrO3 modified with earth abundant metal oxides (MO, M = Cu, Ni, Fe, Co)

“…5(a)-(d). The pure SrZrO 3 spectrum shows the absorption range of the compound, beginning at wavelengths below to 300 nm, corresponding to the characteristic UV absorption reported in the literature [34]. With the addition of metal oxide particles, the absorption of SrZrO 3 in the visible range increased due to the characteristic absorption of transition metal oxides and d-d transitions of the metals (Cu, Ni, Fe and Co) [24].…”

Structural and electronic properties ofSrZrO3and Sr(Ti,Zr)O3alloys

“…In contrast, the HSE value falls within the range of reported experimental values, 5.2-5.6 eV. 28,29 The larger gap of the orthorhombic phase, compared to that of the cubic structure, is attributed to narrower band widths as a consequence of the deviation of the Zr-O-Zr angles from 180…”

“…The results using PBE are overestimated by about 1%, whereas the HSE results are in much better agreement with experiment. The HSE lattice parameters are 5.783Å, 5.828 A and 8.195Å, compared to the experimental values of 5.796Å, 5.817Å and 8.205Å 25,[28][29][30] ; the corresponding errors are 1.0 %, 0.19%, and 0.12% for the a, b and c lattice parameters, respectively. In order to fully describe the distortions of the orthorhombic system, we report the inequivalent atomic positions of the primitive cell in Table II.…”

Intense blue and green photoluminescence emissions at room temperature in barium zirconate powders

“…The origin of green luminescence has been explained and discussed in many papers by different mechanisms, including self-trapped excitons [5], recombination of electron and hole polarons, charge transfer vibronic exciton [6], donor-acceptor recombination [7], transitions in MeO 6 complexes [8] and structurally disordered titanates [9][10][11]. However, few investigations on this phenomenon in zirconates have been reported [12][13][14][15][16]. In particular, the literature reports some works on luminescence of crystalline BaZrO 3 doped with europium [17][18][19].…”