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| 1 | Structural and luminescence enhancement properties of Eu^(3+)/Ag nanocrystallites doped SiO_2-TiO_2 matrices显示文摘We reported here the structural and optical characterisation of silver nanocrystallites/Eu3+ :SiO2-TiO2 matrices synthesised through sol-gel route. Structural characterisations were done by using energy dispersive spectroscopy (EDX), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), atomic force microscope (AFM) and transmission electron microscopy (TEM) measurements and optical characterisations were performed by absorption and emission spectroscopy. The TEM and XRD measurements confirmed the presence of nanocrystals. A broad absorption band was observed due to surface plasmon resonance of silver nanocrystals. The effect of silver nanocrystals on the emission spectrum of Eu3+ doped SiO2-TiO2 matrices was discussed. An attempt was made to explain this fluorescence enhancement by invoking phenomena such as energy transfer, asymmetry ratio, surface plasmon, surface roughness, crystallinity and grain boundary. Our analysis, based on the experimental results, suggested that all the phenomena except crystallinity and grain boundary had favourable effects on fluorescence enhancement. We also estimated the relevant parameters associated with the phenomena that affected the fluorescence emission from the Eu3+ ions in the matrix. It was seen that the theoretical estimate of fluorescence enhancement agreed well with the experimental estimate. | Arun Kumar K V Revathy K P Prathibha Vasudevan Sunil Thomas Biju P R Unnikrishnan N V | 2013 | Journal of Rare Earths2013，31，5： | 2 |
| 2 | Studies on the effects of blanching time,evaporation time,temperature and hydrocolloid on physical properties of chili(Capsicum annum varkulai puree显示文摘 | Noryati Ismail R Revathi | 2006 | LWT-Society of Food Science and Technology2006，39，1： | 1 |
| 3 | GreenPro:a new methodology for cleaner and greener process design 显示文摘 | Khan F I Natrajan B R Revathi P | 2001 | Journal of Loss Prevention in the Process Industries2001，14，4： | 1 |
| 4 | Video surveillance systems-a survey显示文摘 | Lakshmi D C Revathi R | 2011 | International Journal of Computer Science Issues2011，8，4： | 1 |
| 5 | Acanthamoeba kerati- tis -A six year epidemiological review from a tertiary care eye hospital in South India显示文摘 | Manikandan P Bhaskar M Revathy R | 2004 | Indian J Med Microbiol2004，22，： | 1 |
| 6 | Image zooming by wavelets 显示文摘 | REVATHY K RAJU G NAYAR S R P | 2000 | Fractal-Complex Geomety Patterns & Scaling in Nature & Society2000，8，3： | 1 |
| 7 | Expression of hepatitis B surface antigen in potato hairy roots显示文摘 | SUNIL KUMAR G B GANAPATHI T R SRINIVAS L REVATHI C J BAPAT V A | 2006 | Plant Science2006，170，5： | 1 |
| 8 | Knowledge discovery in diagnose of crop diseases using machine learning techniques显示文摘 | Revathi P Revathi R | 2011 | International Journal of Engineering Science and Technology2011，3，9： | 1 |
| 9 | Expression of hepatitis B surface antigen in trans- genic bananaplants显示文摘 | SUNIL KUMAR G B GANAPATHI T R REVATHI C J SRINIVAS L BAPAT V A | 2005 | Planta2005，222，3： | 1 |
| 10 | Existence of solutions for nonlinear fractional stochastic differential equations显示文摘 | Sakthivel R Revathi P Ren Y | 2013 | Nonlinear Analysis2013，，： | 1 |
| 11 | A fuzzy pro-gramming approach for formation of virtual cells under dynamic and uncertain conditions 显示文摘 | Jayachitra R Revathy A Prasad P S S | 2010 | International Journal of Engineering Science and Technology2010，2，6： | 1 |
| 12 | Band offset of SnS solar cell structure measured by X-ray photoelectron spectroscopy 显示文摘 | SUGIYAMA M REDDY K T R REVATHI N | 2011 | Thin Solid Films2011，519，21： | 1 |
| 13 | Expression of hepatitis B surface in transgenic banana plants显示文摘 | Kumar G B Ganapathi T R Revathi C J | 2005 | Planta2005，222，3： | 1 |
| 14 | Expression of hepatitis B surface antigen in tobacco cell suspension culture显示文摘 | SUNIL-KUMAR G B GANAPTHI T R REVATHI C J | 2003 | Protein Expression and Purification2003，32，： | 1 |
| 15 | Chemotherapeutic efficacy of limonin against aflatoxin BI induced primary hepatocarcinogenesis in Wistar albino rats 显示文摘 | Langeswaran K Jagadeesan A J Revathy R | 2012 | Biomedicine&Aging Pathology2012，2，4： | 1 |
| 16 | Video surveillance systems-a survey显示文摘 | LAKSHMI D C REVATHi R | 2011 | International Journal of Com- puter Science Issues2011，8，4： | 1 |
| 17 | Acanthamoeba keratitis-A six year epidemiological review from a tertiary care eye hospital in South India显示文摘 | Manikandan P Bhaskar M Revathy R John RK Narendran V Parmeerselvam K | 2004 | Indian J Med Microbiol2004，22，4： | 1 |
| 18 | Isolation and antimicrobial susceptibility pattern of Nocardia among people with culture-proven ocular infections attending a tertiary care eye hospital in Tamilnadn, South India显示文摘 | Manikandan P Bhaskar M Revathi R | 2007 | Eye (Lond)2007，21，8： | 1 |
| 19 | Expression of hepatitis B surface antigen in transgenic banana plant显示文摘 | Kumar G B Ganapathi T R Revathi C J | 2005 | Planta2005，222，48： | 1 |
| 20 | Expression of hepatitis B surface antigen in tobacco cell suspension culture 显示文摘 | Sunil-kumar G B Ganapthi T R Revathi C J Prasad K S N Bapat V A | 2003 | Protein Expres Pufif2003，32，： | 1 |
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