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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 | Evaluation ofPCR based DNA sequencing targeting mitochondrial larger subunit(mtLSU)region for the rapid detection of Pneumocystis jirovecii insputum from HIV positive patients显示文摘 | Revathy M Therese K L Chandrasekar C | 2012 | BMC Infect Dis2012，12，： | 1 |
| 3 | Image zooming by wavelets显示文摘 | Revathy K Raju G Prabhakran | 2000 | Fractals2000，8，3： | 1 |
| 4 | 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 |
| 5 | 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 |
| 6 | Dendritic Ag-Fe nanocrystalline alloy synthesized by pulsed electrodeposition and its characterization 显示文摘 | SANTH1 K REVATHY T A NARAYANAN V | 2014 | Applied Surface Science2014，316，： | 1 |
| 7 | Effect of bromadiolone onhaematology, liver and kidney in Mus musculus 显示文摘 | Revathi K Yogananda M | 2006 | J Environ Biol2006，27，： | 1 |
| 8 | 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 |
| 9 | 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 |
| 10 | Al-doped ZnS layers synthesized by solution growth method显示文摘 | Nagamani K Revathi N Prathap P | 2012 | Current Appl Phys2012，12，2： | 1 |
| 11 | An outbreakof extended spectrum β-lactamase-producing Salmonella in a burns ward显示文摘 | Revathi G Shannon K P | 1998 | J Hosp Infect1998，40，4： | 1 |
| 12 | 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 |
| 13 | Lambda cyhalothrin induced alterations in Clarias batrachus 显示文摘 | Saravanan R Revathi K Murthy PB | 2009 | J Environ Biol2009，30，2： | 1 |
| 14 | Wavelet analysis of so- lar, solar wind and geomagnetic parameters显示文摘 | PRABHAKARAN NAYAR S R RADHIKA V N REVATHY K | 2002 | Solar Physics2002，208，2： | 1 |
| 15 | Physiological effect of chitinase purified from Bacillus subtilis against the tobacco cutwormSpodoptera litura Fab显示文摘 | Chandrasekaran R Revathi K Nisha S | 2012 | Pestic Biochem Phys2012，104，1： | 1 |
| 16 | Image zooming by wavelets,fractals显示文摘 | Revathy K Raju G Prabhakran N S R | 2000 | World Scientific Publishing Company2000，8，3： | 1 |
| 17 | A Manganese Superoxide Dismutase with Potent An- tioxidant Activity Identified From Oplegnathus fascia- tus:Genomic Structure and Transcriptional Character- ization 显示文摘 | UMASUTHAN N SARANYA REVATHY K | 2013 | Fish and Shellfish Immunology2013，34，1： | 1 |
| 18 | Molecular genomic- and transcriptional-aspects of a teleost TRAF6 homolog: Possible involvement in immune responses of Oplegnathus fasciatus against pathogens 显示文摘 | Umasuthan N Bathige S D Revathy K S | 2014 | Fish & Shellfish Immunology2014，42，1： | 1 |
| 19 | Wavelet analysis of solar wind and geomagnetic parameters 显示文摘 | Prabhakaran Nayar S R Radhika V N Revathy K | 2002 | Solar Phys2002，208，2： | 1 |
| 20 | Heat- induced expression of albumin during early stages of rat embryo development显示文摘 | SRINIVAS U K REVATHI C J DAS M R | 1987 | Mol Cell Biol1987，7，12： | 1 |
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