Abstract
Eu3+ luminescence spectroscopy has been used to investigate the effective doping of alkoxide-based silica (SiO2) gels using a novel pressure-assisted sol-gel method. Our results pertaining to intense photoluminescence (PL) from gel nanospheres can be directly attributed to the high specific surface area and remarkable decrease in unsaturated dangling bonds of the gel nanospheres under pressure. An increased dehydroxylation in an autoclave resulted in enhanced red (∼611 nm) PL emission from europium and is almost ten times brighter than the SiO2 gel made at atmospheric pressure and ∼50°C using conventional Stöber-Fink-Bohn process. The presented results are entirely different from those reported earlier for SiO2:Eu3+ gel nanospheres and the origin of the enhanced PL have been discussed thoroughly.
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J. Wang, Y. Yoo, C. Gao, I. Takeuchi, X. Sun, H. Chang, X. D. Xiang and P. G. Schultz, Science 279, 1712 (1998).
L. S. Liao, X. M. Bao, X. Q. Zheng, N. S. Li and N. B. Min, Appl. Phys. Lett. 68, 850 (1996). http://dx.doi.org/10.1063/1.116554
M. A. Silva, D. C. Oliveira, A. T. Papacidero, C. Mello, E. J. Nassar, K. J. Ciuffi, and H. C. Sacco, J. Sol-Gel Sci. Tech. 26, 329 (2003).
E. J. Nassar, C. R. Neri, P. S. Calefi and O. A. Serra. J. Non-Cryst. Solids 247, 124 (1999). http://dx.doi.org/10.1016/S0022-3093(99)00046-0
A. S. Zyubin, Y. D. Glinka, A. M. Mebel, S. H. Lin, L. P. Hwang and Y. T. Chen, J. Chem. Phys. 116, 281 (2002). http://dx.doi.org/10.1063/1.1425382
Y. D. Glinka, A. S. Zyubin, A. M. Mebel, S. H. Lin, L. P. Hwang and Y. T. Chen, Euro. Phys. J. D 16, 279 (2001). http://dx.doi.org/10.1007/s100530170110
D. Haranath, N. Gandhi, S. Sahai, M. Husain and V. Shanker, Chem. Phys. Lett. 496, 100 (2010). http://dx.doi.org/10.1016/j.cplett.2010.07.015
A. R. Guichar, D. N. Barsic, S. Sharma, T. I. Kamins and M. L. Bronersma Nano Lett. 6, 2140 (2006).
V. S. Kortov, A. F. Zatsepin, S. V. Gurbonov and A. M. Murzakaev, Phys. Solid State 48, 1273 (2006). http://dx.doi.org/10.1134/S1063783406070092
D. Haranath, V. Shanker, H. Chander and P. Sharma, J. Phys. D: Appl. Phys. 36, 2244 (2003). http://dx.doi.org/10.1088/0022-3727/36/18/012
C. J. Brinker and G. W. Scherer, Sol-Gel Science Academic Press, Boston (1990).
J. C. G. Bunzil and G. R. Choppin, Lanthanide Probe in Life, Chemical and Earth Sciences, Elsevier, New York (1989).
D. Levy, R. Reisfeld and D. Avnir, Chem. Phys. Lett. 109, 593 (1984). http://dx.doi.org/10.1016/0009-2614(84)85431-7
D. Haranath, S. Sahai, S. Singh, A. G. Joshi, M. Husain and V. Shanker, J. Mater. Chem. 21, 9471 (2011). http://dx.doi.org/10.1039/c1jm11874a
S. Frank, P. Poncharai, Z. L. Wang and W.A. de Heer, Science 280, 1744 (1998). http://dx.doi.org/10.1126/science.280.5370.1744
A. P. Alivisatos, Science 71, 933 (1996).
P. Kim and C. M Lieber, Science 286, 2148 (1999). http://dx.doi.org/10.1126/science.286.5447.2148
W. Han, S. Fan, Q. Li and Y. Hu, Science 277, 1287 (1997). http://dx.doi.org/10.1126/science.277.5330.1287
L. Xu, B. Wei, Z. Zhang, Z. Lu, H. Gao and Y. Zhang, Nanotechnology 17, 4327 (2006).
Z. Andric, M. D. Dramicanin, V. Jokanovic, T. Dramicanin, M. Mitric and B. Viana, J. Optoelecton. Adv. Mater. 8, 829 (2006).
X. L. Wu, G. G. Siu, S. Tong and D. Feng, Appl. Phys. Lett. 69, 523 (1996). http://dx.doi.org/10.1063/1.117774
V. Lehmann and U. Gosele, Appl. Phys. Lett. 58, 856 (1991). http://dx.doi.org/10.1063/1.104512
W. J. Zhang, X. L. Wu, J. Y. Fan, G. S. Huang, T. Qiu and P. K. Chu, J. Phys. Condens. Matter 18, 9937 (2006). http://dx.doi.org/10.1088/0953-8984/18/43/015
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Haranath, D., Mishra, S., Joshi, A.G. et al. Effective Doping of Rare-earth Ions in Silica Gel: A Novel Approach to Design Active Electronic Devices. Nano-Micro Lett. 3, 141–145 (2011). https://doi.org/10.1007/BF03353664
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DOI: https://doi.org/10.1007/BF03353664