Korean Journal of Chemical Engineering, Vol.36, No.4, 613-619, April, 2019
Photoluminescence and photocatalytic properties of Eu3+-doped CaZnTiO3 perovskites with metal ion loading
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Europium (Eu3+)-doped CaZnTiO3 perovskite phosphors were synthesized using a sol-gel reaction method. Different solvent materials were introduced to the synthesis process to produce higher emitting phosphors. Eu3+-doped CaZnTiO3 perovskite synthesized using an ethanol mixture solvent exhibited higher photoluminescence intensities for red emission than those synthesized using distilled water as a solvent. The synthesized Eu3+-doped CaZnTiO3 perovskites were characterized by photo-physical analysis and tested for the photocatalytic degradation of toluene. Ru, Co, and Ni ions were loaded on the perovskites to improve photocatalytic activity. Ni ion-loaded CaZnTiO3 : Eu3+ perovskite showed enhanced red emission and higher photocatalytic activities compared to those of bare CaZnTiO3 : Eu3+ perovskite. The improvement of the photocatalytic degradation of toluene was attributed to the lower bandgap of Ni ion-loaded CaZnTiO3 : Eu3+ perovskite, as determined by UV-visible diffuse reflectance spectroscopy.
- Kanhere P, Chen Z, Molecules, 19, 19995 (2014)
- Josephine BA, Manikandan A, Teresita VM, Antony SA, Korean J. Chem. Eng., 33(5), 1590 (2016)
- Zhao K, He F, Huang Z, Wei G, Zheng A, Li H, Zhao Z, Korean J. Chem. Eng., 34(6), 1651 (2017)
- Chen W, Sammynaiken R, Huang Y, J. Appl. Phys., 88, 1424 (2000)
- Lazaro S, Milanez J, de Figueiredo AT, Longo VM, Mastelaro VR, DeVicente FS, Hernandes AC, Varela JA, Longo E, Appl. Phys. Lett., 909, 111904 (2007)
- Pan Y, Su Q, Xu X, Chem T, Ge W, Yang C, Wu M, J. Solid State Chem., 174, 69 (2003)
- Haranath D, Khan AF, Chander H, J. Phys. D-Appl. Phys., 39, 4956 (2006)
- Marques VS, Cavalcante LS, Sczancoski JC, Volanti DP, Espinosa JWM, Joya MR, Santos MRMC, Pizani PS, Varela JA, Longo E, Solid State Sci., 10, 1056 (2008)
- Okamoto S, Kobayashi H, J. Appl. Phys., 86, 5594 (1999)
- Zhang X, Zhang J, Wang M, Zhang X, Zhao H, Wang XJ, J. Lumines., 128, 818 (2008)
- Liu XM, Jia PY, Liu J, J. Appl. Phys., 99, 124902 (2006)
- Jia W, Jia D, Rodriguez T, Evans DR, Meltzer RS, Yen WM, J. Lumines., 119, 13 (2006)
- Zhang XM, Zhang JH, Nie ZG, Wang MY, Ren XG, Wang XJ, Appl. Phys. Lett., 90, 151911 (2007)
- Fu J, Zhang Q, Li Y, Wang H, J. Lumines., 130, 231 (2010)
- Kim JS, Jeon PE, Choi JC, Park HL, Mho SI, Kim CG, Appl. Phys. Lett., 84, 2931 (2004)
- Deren PJ, Pazik R, Strek W, Boutinaud P, Mahiou R, J. Alloy. Compd., 451, 595 (2008)
- Bao A, Tao C, Yang H, J. Lumines., 126, 859 (2007)
- Omkaram I, Rao BV, Buddhudu S, J. Alloy. Compd., 747, 565 (2009)
- Gao X, Lei L, Lv C, Sun Y, Zheng H, Cui Y, J. Solid State Chem., 181, 1776 (2008)
- Zhang H, Fu X, Niu S, Xin Q, J. Alloy. Compd., 459, 103 (2008)
- Jia Q, Iwase A, Kudo A, Chem. Sci., 5, 1513 (2014)
- Sayama K, Mukasa K, Abe R, Abe Y, Arakawa H, Chem. Commun., 23, 2416 (2001)
- Zhang H, Chen G, He X, Xu J, J. Alloy. Compd., 516, 91 (2012)
- Fu Q, Li JL, He T, Yang FW, J. Appl. Phys., 113, 104303 (2013)
- You YS, Chung KH, Kim JH, Seo G, Korean J. Chem. Eng., 18(6), 924 (2001)
- Park BG, Catalysts, 8, 227 (2018)
- Chen FF, Huang K, Fan JP, Tao DJ, AIChE J., 64(2), 632 (2018)
- Shannon RD, Acta Cryst, A32, 751 (1976)
- Mazzo TM, Moreira ML, Pinatti IM, Picon FC, Leite ER, Rosa ILV, Varela JA, Perazolli A, Longo E, Opt. Mater., 32, 990 (2010)
- Xiao Q, Xiao L, Liu Y, Chen X, Li Y, J. Phys. Chem. Solids, 71, 1026 (2010)
- Du H, Shan W, Wang L, Xu D, Yin H, Chen Y, Guo D, J. Lumines., 176, 272 (2016)
- Fu J, Zhang Q, Li Y, Wang H, J. Alloy. Compd., 485, 418 (2009)