| Preparation and characterization of CuO thin films prepared by spray pyrolysis technique for ethanol gas sensing application CR Dhas, D Alexander, AJ Christy, K Jeyadheepan, AME Raj, CS Raja Asian Journal of Applied Sciences 7 (8), 671-684, 2014 | 37 | 2014 |
| Energy transfer driven tunable emission of Tb/Eu co-doped lanthanum molybdate nanophosphors K Thomas, D Alexander, S Sisira, S Gopi, PR Biju, NV Unnikrishnan, ... Optical Materials 80, 37-46, 2018 | 34 | 2018 |
| Intrinsic red luminescence of Eu3+-activated lanthanum molybdate: insights into the spectroscopic features using Judd–Ofelt theoretical analysis K Thomas, D Alexander, KP Mani, S Gopi, SA Kumar, PR Biju, ... Journal of Physics and Chemistry of Solids 137, 109212, 2020 | 33 | 2020 |
| NUV/blue LED excitable intense green emitting terbium doped lanthanum molybdate nanophosphors for white LED applications K Thomas, D Alexander, S Sisira, PR Biju, NV Unnikrishnan, MA Ittyachen, ... Journal of Materials Science: Materials in Electronics 28, 17702-17709, 2017 | 30 | 2017 |
| Microstructural characterization and optical properties of green emitting hexagonal and monoclinic CePO4: Tb3+ nanocrystals S Sisira, D Alexander, K Thomas, G Vimal, KP Mani, PR Biju, ... Materials Research Express 4 (2), 025010, 2017 | 21 | 2017 |
| High purity blue photoluminescence in thulium activated α-Na3Y (VO4) 2 nanocrystals via host sensitization LA Jacob, S Sisira, KP Mani, K Thomas, D Alexander, PR Biju, ... Journal of Luminescence 223, 117169, 2020 | 20 | 2020 |
| Sm3+ doped tetragonal lanthanum molybdate: A novel host sensitized reddish orange emitting nanophosphor K Thomas, D Alexander, S Sisira, LA Jacob, PR Biju, NV Unnikrishnan, ... Journal of Luminescence 211, 284-291, 2019 | 17 | 2019 |
| Novel white light emitting dysprosium oxalate nanocrystals: Competing luminescence quenching by the features of Dy-Oxalate layered structure D Alexander, K Thomas, RJM Gopinath, M Joy, PR Biju, NV Unnikrishnan, ... Journal of Alloys and Compounds 804, 252-261, 2019 | 16 | 2019 |
| Efficient green luminescence of terbium oxalate crystals: A case study with Judd-Ofelt theory and single crystal structure analysis and the effect of dehydration on luminescence D Alexander, M Joy, K Thomas, S Sisira, PR Biju, NV Unnikrishnan, ... Journal of Solid State Chemistry 262, 68-78, 2018 | 15 | 2018 |
| Facile synthesis of Sm3+/Eu3+ codoped CeO2 ultrafine nanocrystals and oxygen vacancy site dependent photoluminescence G Vimal, KP Mani, D Alexander, PR Biju, NV Unnikrishnan, MA Ittyachen, ... Optical Materials 50, 220-228, 2015 | 15 | 2015 |
| Photoluminescence properties of fully concentrated terbium oxalate: a novel efficient green emitting phosphor D Alexander, K Thomas, S Sisira, G Vimal, KP Mani, PR Biju, ... Materials Letters 189, 160-163, 2017 | 14 | 2017 |
| An empirical rate equation for the partial removal of manganese from solution using a gas mixture of sulfur dioxide and oxygen J Schulze-Messing, DC Alexander, KC Sole, JDT Steyl, MJ Nicol, ... Hydrometallurgy 86 (1-2), 37-43, 2007 | 14 | 2007 |
| A reddish-orange emitting samarium doped α-Na3Y (VO4) 2 nanocrystals for single phased UV excitable white light applications LA Jacob, S Sisira, K Thomas, D Alexander, PR Biju, NV Unnikrishnan, ... Journal of Solid State Chemistry 280, 120998, 2019 | 12 | 2019 |
| Effect of doping concentration and annealing temperature on the luminescence of novel orange red emitting CePO4: Sm3+ nanocrystals S Sisira, LA Jacob, K Thomas, D Alexander, PR Biju, NV Unnikrishnan, ... Journal of Luminescence 209, 197-207, 2019 | 12 | 2019 |
| Structural and spectroscopic investigations on the quenching free luminescence of europium oxalate nanocrystals D Alexander, K Thomas, M Joy, PR Biju, NV Unnikrishnan, C Joseph Acta Crystallographica Section C: Structural Chemistry 75 (5), 589-597, 2019 | 12 | 2019 |
| Eu3+ activated terbium oxalate nanocrystals: A novel luminescent material with delayed concentration quenching and tunable multicolour emission D Alexander, K Thomas, S Sisira, LA Jacob, S Gopi, PR Biju, ... Optical Materials 86, 366-375, 2018 | 11 | 2018 |
| Synthesis and optical characterization of sub-5 nm Terbium oxalate nanocrystals: A novel intense green emitting phosphor D Alexander, K Thomas, S Sisira, PR Biju, NV Unnikrishnan, MA Ittyachen, ... Dyes and Pigments 148, 386-393, 2018 | 8 | 2018 |
| A new potential green-emitting erbium-activated α-Na3Y(VO4)2 nanocrystals for UV-excitable single-phase pc-WLED applications LA Jacob, S Sisira, KP Mani, K Thomas, D Alexander, PR Biju, ... SN Applied Sciences 2, 1-9, 2020 | 7 | 2020 |
| Novel blue emitting Tm3+ activated lanthanum molybdate: Investigations on luminescence behaviour and Judd-Ofelt theoretical analysis K Thomas, D Alexander, LA Jacob, PR Biju, NV Unnikrishnan, C Joseph Optical Materials 100, 109623, 2020 | 7 | 2020 |
| Synthesis, structural and luminescence characterization of single phased Tm3+/Dy3+ co-doped Na3Y (VO4) 2 nanocrystals LA Jacob, S Sisira, K Thomas, D Alexander, AC Saritha, PR Biju, ... Journal of Crystal Growth 555, 125957, 2021 | 6 | 2021 |
