1. Weber MJ. Science and technology of laser glass. J Non-Cryst Solids. 1990;123(1–3):208-22.
2. Chen W, Bovin J-O, Joly AG, Wang S, Su F, Li G. Full-Color Emission from In2S3 and In2S3:Eu3+ Nanoparticles. Phys. Chem. B. 2004;108(32):11927-34.
3. Najar A, Charrier J, Lorrain N, Haji L, Oueslati M. Optical gain measurements in porous silicon planar waveguides codoped by erbium and ytterbium ions at 1.53μm. Appl. Phys. Lett. 2007;91(12):121120.
4. Vela J, Prall BS, Rastogi P, Werder DJ, Casson JL, Williams DJ, et al. Sensitization and Protection of Lanthanide Ion Emission in In2O3:Eu Nanocrystal Quantum Dots. J. Phys. Chem. C. 2008;112(51):20246-50.
5. Zhang X, Lin T, Jiang X, Xu J, Liu J, Xu L, et al. Photoluminescence from Er3+ ion and SnO2 nanocrystal co-doped silica thin films. COL. 2012;10(9):091603-.
6. Jose G, Jose G, Thomas V, Joseph C, Ittyachen MA, Unnikrishnan NV. Fluorescence enhancement from Eu3+ ions in CdSe nanocrystal containing silica matrix hosts. Mater. Lett. 2003;57(5–6):1051-5.
7. Ishizumi A, Kanemitsu Y. Structural and luminescence properties of Eu-doped ZnO nanorods fabricated by a microemulsion method. Appl. Phys. Lett. 2005; 86(25): 253106.
8. Lin C-C, Lin K-M, Li Y-Y. Sol–gel synthesis and photoluminescent characteristics of -doped nanophosphors. Journal of Luminescence. 2007;126(2):795-9.
9. Wan N, Xu J, Lin T, Zhang X, Xu L. Energy transfer and enhanced luminescence in metal oxide nanoparticle and rare earth codoped silica. Appl. Phys. Lett. 2008;92(20):201109.
10. Weber MJ, Myers JD, Blackburn DH. Optical properties of Nd3+ in tellurite and phosphotellurite glasses. J. Appl. Phys. 1981;52(4):2944-9.
11. Dousti MR, Sahar MR, Ghoshal SK, Amjad RJ, Arifin R. Up-conversion enhancement in Er3 +-Ag co-doped zinc tellurite glass: Effect of heat treatment. Journal of Non-Crystalline Solids. 2012;358(22):2939-42.
12. Zhang WF, Yin Z, Zhang MS, Du ZL, Chen WC. Roles of defects and grain sizes in photoluminescence of nanocrystalline SrTiO 3. J. Phys. Condens. Matter. 1999;11(29):5655.
13. Brovelli S, Galli A, Lorenzi R, Meinardi F, Spinolo G, Tavazzi S, et al. Efficient 1.53 μm erbium light emission in heavily Er-doped titania-modified aluminium tellurite glasses. Journal of Non-Crystalline Solids. 2007;353(22–23):2150-6.
14. Marjanovic S, Toulouse J, Jain H, Sandmann C, Dierolf V, Kortan AR, et al. Characterization of new erbium-doped tellurite glasses and fibers. Journal of Non-Crystalline Solids. 2003;322(1–3):311-8.
15. Gu F, Wang SF, Lü MK, Qi YX, Zhou GJ, Xu D, et al. Luminescent characteristics of Eu3+ in SnO2 nanoparticles. Opt. Mater. 2004;25(1):59-64.
16. Elhouichet H, Othman L, Moadhen A, Oueslati M, Roger JA. Enhanced photoluminescence of Tb3+ and Eu3+ induced by energy transfer from SnO2 and Si nanocrystallites. Mater. Sci. Eng. B. 2003;105(1–3):8-11.
17. Castillo JD, Rodríguez VD, Yanes AC, Méndez-Ramos J, Torres ME. Luminescent properties of transparent nanostructured Eu 3+ doped SnO2 –SiO2 glass-ceramics prepared by the sol–gel method. Nanotechnology. 2005;16(5):S300.
18. Aboud H, Wagiran H, Hossain I, Hussin R, Saber S, Aziz M. Effect of co-doped SnO2 nanoparticles on the optical properties of Cu-doped lithium potassium borate glass. , Mater. Lett. 2012;85:21-4.
19. Aziz M, Saber Abbas S, Wan Baharom WR. Size-controlled synthesis of SnO2 nanoparticles by sol–gel method. Mater. Lett. 2013;91:31-4.