Solvent effects on lasing characteristics for Rh B laser dye.

Peter, Jaison; Kumar, Mahesh; Ananad, V.R.; Saleem, Rasool; Sebastian, Ananthu; Radhakrishnan, P.; Nampoori, V.P.N.; Vallabhan, C.P.G.; Prabhu, Radhakrishna; Kailasnath, M.

doi:10.1016/j.jlumin.2015.09.002

Proposing an approach for the diffusion of building integrated photovoltaics (BIPVs): a case study. (2024)
Journal Article
AWUKU, S.A., BENNADJI, A., MUHAMMAD-SUKKI, F., PRABHU, R. and SELLAMI, N. 2024. Proposing an approach for the diffusion of building integrated photovoltaics (BIPVs): a case study. New energy exploitation and application [online], 3(1), pages 8-26. Available from: https://doi.org/10.54963/neea.v3i1.196

Consistent probing into building integrity has led to the exploration of clean energy options such as building integrated photovoltaic (BIPV). BIPV has proven to be aesthetically pleasing, architecturally feasible and capable of making buildings ener... Read More about Proposing an approach for the diffusion of building integrated photovoltaics (BIPVs): a case study..

Development of predictive optimization model for autonomous rotary drilling system using machine learning approach. (2023)
Journal Article
AMADI, K., IYALLA, I., PRABHU, R., ALSABA, M. and WALY, M. 2023. Development of predictive optimization model for autonomous rotary drilling system using machine learning approach. Journal of petroleum exploration and production technology [online], 13(10), pages 2049-2062. Available from: https://doi.org/10.1007/s13202-023-01656-9

The growing global energy demand and strict environmental policies motivate the use of technology and performance improvement techniques in drilling operations. In the traditional drilling method, the effort and time required to optimize drilling dep... Read More about Development of predictive optimization model for autonomous rotary drilling system using machine learning approach..

Rapid extraction of high- and low-density microplastics from soil using high-gradient magnetic separation. (2022)
Journal Article
RAMAGE, S.J.F.F., PAGALING, E., HAGHI, R.K., DAWSON, L.A., YATES, K., PRABHU, R., HILLIER, S. and DEVALLA, S. 2022. Rapid extraction of high- and low-density microplastics from soil using high-gradient magnetic separation. Science of the total environment, [online], 831, article 154912. Available from: https://doi.org/10.1016/j.scitotenv.2022.154912

Microplastics (MPs) are present in all environments, and concerns over their possible detrimental effects on flora and fauna have arisen. Density separation (DS) is commonly used to separate MPs from soils to allow MP quantification; however, it freq... Read More about Rapid extraction of high- and low-density microplastics from soil using high-gradient magnetic separation..

Optical fibre-based sensors for oil and gas applications. (2021)
Journal Article
JOHNY, J., AMOS, S. and PRABHU, R. 2021. Optical fibre-based sensors for oil and gas applications. Sensors [online], 21(8), article 6047. Available from: https://doi.org/10.3390/s21186047

Oil and gas (O&G) explorations moving into deeper zones for enhanced oil and gas recovery are causing serious safety concerns across the world. The sensing of critical multiple parameters like high pressure, high temperature (HPHT), chemicals, etc.,... Read More about Optical fibre-based sensors for oil and gas applications..

Anti-corrosion behavior of olmesartan for soft-cast steel in 1 mol dm−3 HCL. (2021)
Journal Article
PRAVEEN, B.M., ALHADHRAMI, A., PRASANNA, B.M., HEBBAR, N. and PRABHU, R. 2021. Anti-corrosion behavior of olmesartan for soft-cast steel in 1 mol dm−3 HCl. Coatings [online], 11(8), article 965. Available from: https://doi.org/10.3390/coatings11080965

This study discusses the effects of temperature on corrosion inhibition for soft-cast steel by the pharmaceutically active drug olmesartan in 1 mol dm−3 HCl. The sufficient number of electron-rich elements and non-bonding π electrons in its structure... Read More about Anti-corrosion behavior of olmesartan for soft-cast steel in 1 mol dm−3 HCL..

Using static concentrator technology to achieve global energy goal. (2019)
Journal Article
ALAMOUDI, A., SAADUDDIN, S.M., MUNIR, A.B., MUHAMMAD-SUKKI, F., ABU-BAKAR, S.H., YASIN, S.H.M., KARIM, R., BANI, N.A., MAS'UD, A.A., ARDILA-REY, J.A., PRABHU, R. and SELLAMI, N. 2019. Using static concentrator technology to achieve global energy goal. Sustainability [online], 11(11), article ID 3056. Available from: https://doi.org/10.3390/su11113056

Solar energy has demonstrated promising prospects in satisfying energy requirements, specifically through solar photovoltaic (PV) technology. Despite that, the cost of installation is deemed as the main hurdle to the widespread uptake of solar PV sys... Read More about Using static concentrator technology to achieve global energy goal..

Effect of tungsten doping on the properties of In2O3 films. (2019)
Journal Article
KRISHNAN, R.R., KAVITHA, V.S., CHALANA, S.R., PRABHU, R. and PILLAI, V.P.M. 2019. Effect of tungsten doping on the properties of In2O3 films. JOM: journal of the minerals, metals and materials society [online], 71(5), pages 1885-1896. Available from: https://doi.org/10.1007/s11837-019-03426-7

Highly crystalline tungsten oxide (WO3)-doped indium oxide (In2O3) films are synthesized at room temperature by the RF magnetron sputtering technique. The structural and morphological properties of the as-deposited films and the films annealed at a t... Read More about Effect of tungsten doping on the properties of In2O3 films..

Highly ordered good crystalline ZnO-doped WO3 thin films suitable for optoelectronic applications. (2019)
Journal Article
KAVITHA, V.S., BOSE, R.J., SREEDHARAN, R.S., SUDARSANAKUMAR, C., PRABHU, R. and PILLAI, V.P.M. 2019. Highly ordered good crystalline ZnO-doped WO3 thin films suitable for optoelectronic applications. JOM journal of the minerals, metals and materials society [online], 71(5), pages 1874-1884. Available from: https://doi.org/10.1007/s11837-019-03425-8

Highly ordered ZnO-doped WO3 thin films with good crystalline quality are prepared using radio frequency magnetron sputtering technique, and its morphological and structural properties are studied using various characterization tools such as field em... Read More about Highly ordered good crystalline ZnO-doped WO3 thin films suitable for optoelectronic applications..

Effect of oxygen pressure on the structural and optical properties of BaSnO3 films prepared by pulsed laser deposition method. (2019)
Journal Article
JOHN, J., CHALANA, S.R., PRABHU, R. and PILLAI, V.P.M. 2019. Effect of oxygen pressure on the structural and optical properties of BaSnO3 films prepared by pulsed laser deposition method. Applied physics A: materials science and processing [online], 123(3), article 155. Available from: https://doi.org/10.1007/s00339-019-2432-0

BaSnO3 thin films were deposited on quartz substrate by pulsed laser deposition technique under different background oxygen pressures and the effects of oxygen pressure on the structural, morphological and optical properties of BaSnO3 thin films are... Read More about Effect of oxygen pressure on the structural and optical properties of BaSnO3 films prepared by pulsed laser deposition method..

Effect of electron beam irradiation on structural and optical properties of Cu-doped In2O3 films prepared by RF magnetron sputtering. (2018)
Journal Article
KRISHNAN, R.R., SANJEEV, G., PRABHU, R. and PILLAI, V.P.M. 2018. Effect of electron beam irradiation on structural and optical properties of Cu-doped In2O3 films prepared by RF magnetron sputtering. JOM: journal of the Minerals, Metals and Materials Society [online], 70(5), pages 739-746. Available from: https://doi.org/10.1007/s11837-018-2776-5

Undoped and Cu-doped In2O3 films were prepared by radiofrequency magnetron sputtering technique. The effects of Cu doping and high-energy electron beam irradiation on the structural and optical properties of as-prepared films were investigated using... Read More about Effect of electron beam irradiation on structural and optical properties of Cu-doped In2O3 films prepared by RF magnetron sputtering..

A photocatalytic impeller reactor for gas phase heterogeneous photocatalysis. (2017)
Journal Article
TOKODE, O., PRABHU, R., LAWTON, L.A. and ROBERTSON, P.K.J. 2017. A photocatalytic impeller reactor for gas phase heterogeneous photocatalysis. Journal of environmental chemical engineering [online], 5(4), pages 3942-3948. Available from: https://doi.org/10.1016/j.jece.2017.07.068

A novel photocatalytic reactor based on a stirred tank configuration has been described. This reactor employs the use of photocatalytic impellers to aid the mass transport of gaseous organic compounds during photocatalytic reactions. Experiments invo... Read More about A photocatalytic impeller reactor for gas phase heterogeneous photocatalysis..

Effect of RF power on the structural and optical properties of zinc sulfide films. (2017)
Journal Article
CHALANA, S.R., SANKARARAMAN, S., PRABHU, R. and PILLAI, V.P.M. 2017. Effect of RF power on the structural and optical properties of zinc sulfide films. JOM: journal of the Minerals, Metals and Materials Society [online], 69(11), pages 2264-2271. Available from: https://doi.org/10.1007/s11837-017-2459-7

Zinc sulfide (ZnS) films were prepared via a radio frequency (RF) magnetron sputtering technique using different RF powers (100, 120, 150, and 180 W), and the effects of the RF power on the structural and optical properties of the films were studied... Read More about Effect of RF power on the structural and optical properties of zinc sulfide films..

Numerical investigation of nanostructured silica PCFs for sensing applications. (2017)
Journal Article
JOHNY, J., PRABHU, R. and FUNG, W.K. 2017. Numerical investigation of nanostructured silica PCFs for sensing applications. JOM: journal of the Minerals, Metals and Materials Society [online], 69(11), pages 2286-2291. Available from: https://doi.org/10.1007/s11837-017-2366-y

Photonic crystal fibers (PCFs) developed using nanostructured composite materials provide special optical properties. PCF light propagation and modal characteristics can be tailored by modifying their structural and material parameters. Structuring a... Read More about Numerical investigation of nanostructured silica PCFs for sensing applications..

Study on the structural, morphological and optical properties of RF-sputtered dysprosium-doped barium tungstate thin films. (2017)
Journal Article
HRIDYA, S., KAVITHA, V.S., CHALANA, S.R., RESHMI KRISHNAN, R., SREEJA SREEDHARAN, R., SURESH, S., NAMPOORI, V.P.N., SANKARARAMAN, S., PRABHU, R. and MAHADEVAN PILLAI, V.P. 2017. Study on the structural, morphological and optical properties of RF-sputtered dysprosium-doped barium tungstate thin films. JOM: journal of the Minerals, Metals and Materials Society [online], 69(11), pages 2272-2277. Available from: https://doi.org/10.1007/s11837-017-2360-4

Barium tungstate films with different Dy3+ doping concentrations, namely 0 wt.%, 1 wt.%, 3 wt.% and 5 wt.%, are deposited on cleaned quartz substrate by radio frequency magnetron sputtering technique and the prepared films are annealed at a temperatu... Read More about Study on the structural, morphological and optical properties of RF-sputtered dysprosium-doped barium tungstate thin films..

Extending the capability of forensic electrochemistry to the novel psychoactive substance benzylpiperazine. (2016)
Journal Article
WADDELL, S.A., FERNANDEZ, C., INVERARITY, C.C. and PRABHU, R. 2017. Extending the capability of forensic electrochemistry to the novel psychoactive substance benzylpiperazine. Sensing and bio-sensing research [online], 13, pages 28-39. Available from: https://doi.org/10.1016/j.sbsr.2016.12.001

Benzylpiperazine (BZP) is a novel psychoactive substance that is commonly abused in tablet form as an 'ecstasy-type' drug. Electroanalysis offers genuine potential for field testing of bulk drug samples. This research is the first to investigate the... Read More about Extending the capability of forensic electrochemistry to the novel psychoactive substance benzylpiperazine..

Investigation of structural parameter dependence of confinement losses in PCF–FBG sensor for oil and gas sensing applications. (2016)
Journal Article
JOHNY, J., PRABHU, R. and FUNG, W.K. 2016. Investigation of structural parameter dedendance of confinement losses in PCF-FBG sensor for oil and gas sensing applications. Optical and quantum electronics [online], 48, article number 252. Available from: https://doi.org/10.1007/s11082-016-0528-8

Photonic crystal fibre (PCF)–fibre bragg grating (FBG) integration opens up new possibilities in multi-parameter fibre-optic sensing, owing to their active control over light characteristics and mode confinements. Their integration results in a misma... Read More about Investigation of structural parameter dependence of confinement losses in PCF–FBG sensor for oil and gas sensing applications..

Rate-dependent polymer adsorption in porous media. (2016)
Journal Article
IDAHOSA, P.E.G., OLUYEMI, G.F., OYENEYIN, M.B. and PRABHU, R. 2016. Rate-dependent polymer adsorption in porous media. Journal of petroleum science and engineering [online], 143, pages 65-71. Available from: https://doi.org/10.1016/j.petrol.2016.02.020

Laboratory core flood experiments were conducted at different flow rates with partially hydrolysed polyacrylamide (HPAM) oilfield Enhanced Oil Recovery (EOR) polymer and silica sand to investigate the polymer retention in porous media due to flow rat... Read More about Rate-dependent polymer adsorption in porous media..

A fiber optic biosensor for the detection of cholesterol levels based on chitosan coated long period grating. (2016)
Journal Article
MATHEWS, C.B., LIBISH, T.M., KAUSHALKUMAR, B., VIVEK, V., PRABHU, R. and RADHAKRISHNAN, P. 2016. A fiber optic biosensor for the detection of cholesterol levels based on chitosan coated long period grating. Optoelectronics letters [online], 12(1), pages 23-26. Available from: https://doi.org/10.1007/s11801-016-5229-9

A fiber optic sensor for the measurement of total cholesterol is designed and developed. The developed chitosan coated long period grating (LPG) sensor shows a sensitivity of 5.025×106 pm·mL/g in the measurement range of the sensor. The sensor also s... Read More about A fiber optic biosensor for the detection of cholesterol levels based on chitosan coated long period grating..

Controlled periodic illumination in semiconductor photocatalysis. (2015)
Journal Article
TOKODE, O., PRABHU, R., LAWTON, L.A. and ROBERTSON, P.K.J. 2015. Controlled periodic illumination in semiconductor photocatalysis. Journal of photochemistry and photobiology A: chemistry [online], 319-320, pages 96-106. Available from: https://doi.org/10.1016/j.jphotochem.2015.12.002

Controlled periodic illumination is a hypothesis postulated in the early 1990s for enhancing the efficiency of semiconductor photocatalytic reactions. This technique has been proposed to improve photocatalytic efficiency by the nature of photon intro... Read More about Controlled periodic illumination in semiconductor photocatalysis..

Solvent effects on lasing characteristics for Rh B laser dye. (2015)
Journal Article
PETER, J., KUMAR, M., ANANAD, V.R., SALEEM, R., SEBASTIAN, A., RADHAKRISHNAN, P., NAMPOORI, V.P.N., VALLABHAN, C.P.G., PRABHU, R. and KAILASNATH, M. 2016. Solvent effects on lasing characteristics for Rh B laser dye. Journal of luminescence [online], 169(Part A), pages 227-232. Available from: https://doi.org/10.1016/j.jlumin.2015.09.002

We demonstrate pulsed, photopumped multimode laser emission in the visible spectral range from rhodamine B dye dissolved in various solvents. The laser emission is characterized by a well-defined, low threshold pump power at which the emission spectr... Read More about Solvent effects on lasing characteristics for Rh B laser dye..

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