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G.Krishna Podagatlapalli

Associate Professor, Physics, GSS, VSP

gpodagat@gitam.edu | | | |

Dr. G Krishna Podagatlapalli did his Ph.D at the Advanced Centre of Research in High Energy Materials (ACRHEM), School of Physics, University of Hyderabad., India. He published more than 50 reputed international/national journal papers in his area of research. He was a former postdoc at GODA LAB, UNIVERSITY OF TOYO, JAPAN: his research areas -ultrafast laser ablation in liquids, SERS, nonlinear optical studies, and CARS.

Research Publications

1. A. Rambabu, S. Sheetal, S. Akanksha, Y. Balaji, S. V. Rao, S. Hamad, G Krishna Podagatlapalli, * Strong two-photon absorption and reduced thermal effects in aluminum and Silver doped Pt nanoparticles Journal optics and laser technology 160 (2023) 109032
2.M. Haribabu, S. Hamad, B. Dipanjan, M.S.S. Bharati, J. Chelsea, S. Venugopal Rao, G Krishna Podagatlapalli1,* “Exciton mediated Surface-Enhanced Raman studies of Aluminum doped Platinum Nano colloids” Optical Materials, 133 (2022)113013
3.Dipanjan Banerjee, M.S.S Bharati, Jaganath Rathod, Twinkle Jena, G Krishna Podagatlapalli*, Venugopal Rao Soma, “Plasmon-enhanced and Tunable Thermo-Optic Ultrafast Nonlinear Optical Properties of Femtosecond Laser Ablated TiO2 and Silver-doped TiO2 Nanoparticles” Applied Surface Science 569 (2021) 151070
4. M. Haribabu, A. Ravi Kiran, Soma Venugopal Rao, B. Santosh Kumar, G Krishna Podagatlapalli*, Silver Nanoribbons Achieved by Picosecond Ablation Using Cylindrical Focusing and SERS-based Trace Detection of TNT, RSC Advances, 10 (2020) 41217-41228
5.A. Brahma Swamulu, S. Venugopal Rao, G Krishna Podagatlapalli*, Non-spherical Aluminum Nanoparticles Fabricated Using Picosecond Laser Ablation, Int. J. Min. Met. Mat., 27 (7) (2020) 980-986.

Ongoing Research Projects

1. Fabrication of metal-doped Molybdenum di-sulfide quantum dots via ultrafast laser ablation for biological, surface-enhanced Raman spectroscopic applications, PI-G Krishna Podagatlapalli, CO-PI: V.Sai Kiran, Funding agency -UGC DAE CSR, Duration -3 years
. Fabrication of bimetallic and multi-layered nanostructured thin films by magnetron sputtering for SERS applications, PI-V.Sai Kiran, , CO-PI: G Krishna Podagatlapalli, Funding agency -UGC DAE CSR, Duration -3 years

Authored Books

G. Krishna Podagatlapalli and S. Venugopal Rao, “Ultrafast laser ablation of metals in liquids for explosives detection,” Lambert Academic Publishing, Germany, 2016. (ISBN: 978-3-659-91910-7)

Expertise

Ultrafast laser ablation of metals/semiconductors in liquid media
Surface enhanced Raman scattering (SERS) studies of organic/inorganic/biological analytes from nanomaterials
Nonlinear optical studies of nanomaterials using single beam Z-scan technique
Coherent anti-Stokes Raman scattering spectroscopy (CARS)
COMSOL Multi-Physics simulations

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