Dr. K Munirathnam Associate Professor

Specialization

• Spectroscopic properties of phosphors, nano phosphors, perovskite solar cells

• Preparation and characterization of thin films for solar application.

• Preparation and characterization of single crystals

Areas Of Interest

Nanophosphors and applications

Qualification

Ph.D.

Teaching Experience

Experience: 14 years of teaching experiences and 12 years of research experiences

Awards & Recognition

• 1. Best oral presentation in the International conference conducted by Sri Venkateswara University, Tirupati, Andra Pradesh, INDIA

• 2. Best teacher award from REVA University, Bangalore, in 2019

Orcid ID

https://orcid.org/0000-0001-9298-864X

Vidwan ID/Profile URL

https://scholar.google.com/citations?user=4jYRsMgAAAAJ&hl=en

Scopus ID/Google Scholar ID

56001599000

Funded Project (amount sanctioned)

PhDs Guided/PhDs Guiding

Guiding-6

Publications In Refereed Journals

Key Publications (Only Q1 & Q2 rated)

• Karri Aswini, Chaitanya Kumar Kunapalli, K Munirathnam*, V Manjunath et.al, Tuning Barrier Height and Enhancing Electrical Properties of MOS Heterojunctions Using Fe₂O₃ doped MoO₃ Nanocomposite Interlayer on Ni/Cr/n-GaN for Optoelectronic Devices, Physica B: Condensed Matter, 714, 2025, 417422.

• D Jagadeesh, R Ranjith, Mohamed A Ghanem, K Munirathnam*, S Naresh Kumar, Ashok Reddy GV, Gutturu Rajasekhara Reddy, Sang Woo Joo, Enhancing electron transport in copper-based perovskite solar cells using cerium-doped TiO₂ nanoparticles, Ceramics International, Volume 51, I18, Part B, 2025, 26526-26537.

• Aswini, K., Munirathnam, K*., Manjunath, V. et al. Enhanced microstructure and electrical performance of a cost-effective Ni/Cu/n-GaN Schottky diode with a V₂O₅ interlayer for optoelectronic applications. J Mater Sci: Mater Electron 36, 430 (2025).

• V Manjunath, M Vani, NV Srihari, Penchalaneni Josthna, P Rosaiah, N Nanda Kumar Reddy, K Munirathnam, Salh Alhammadi, Siva Kumar Koppala, et.al Enhancing Ni/Cr/n-GaN schottky junction performance using a novel Bi₂O₃ insulating layer for advanced optoelectronic device applications, Materials Science and Engineering: B, 313, (2025) 117885.

• R Vishwanath, R Ranjith, K Munirathnam*, J Shim, PC Nagajyothi, Sabah Ansar, V Manjunath, Pr³⁺ ions activated TiO₂ nanoparticles as electron transport layer for copper based (CH₃NH₂)₂CuBr₄ perovskites solar cells, Materials Science in Semiconductor Processing, 186, (2025) 109093.

• R Ranjith, Debashree Das, Girish M Gouda, K Munirathnam, Ayman A Ghfar, J Shim, PC Nagajyothi " Enhancing hole-transport efficiency in (CH₃NH₃)₂CuCl_xBr_4-x perovskite solar cells through functionalization of multi-walled carbon nanotubes, Optical Materials,157, Part 2,2024, 116379.

• Kavya Kalidasan, Srinivas Mallapur, K Munirathnam, H Nagarajaiah, MB Madhusudana Reddy, Raghava Reddy Kakarla, Anjanapura V Raghu, Transition metals-doped g-C₃N₄ nanostructures as advanced photocatalysts for energy and environmental applications, Chemosphere, 352, 2024,141354.

• B Hari Krishna, C Parthasaradhi Reddy, K Munirathnam, Kareem Yusuf, PC Nagajyothi, Jaesool Shim, In-situ synthesis of coral reef-like synergistic zinc cobalt oxide and zinc manganese oxide composite as a battery-type electrode material for supercapacitors, Colloids and Surfaces A: Physicochemical and Engineering Aspects 694, 2024, 134148.

• V Manjunath, Chaitanya Kumar Kunapalli, M Vani, R Jaya Madhuri, Sameh Abdallah Ragab, Mohammad Rezaul Karim, N Nanda Kumar Reddy, K Munirathnam, PR Sekhar Reddy, Himagirish Kumar Siddarapu, Tae J Ko, Nunna Guru Prakash, P Rosaiah, Materials Science and Engineering: B 308, 2024 117602.

• R Vishwanath, K Munirathnam, Ranjith R, P C Nagajyothi, V Manjunath, G V Ashok Reddy, Photovoltaic performance of Pr doped inorganic SrCeO₃ perovskite nanophosphors and organic (CH₃NH₃)₂CuBr₄ perovskite as activated compact layers for solar cells application, ACS Appl. Opt. Mater. 2024, 2, 3, 423–432.

• S Nalina, K Kavya, M Srinivas, K Munirathnam, Synthesis of sulphur doped CoFe₂O₄ by calcination process in air and their photocatalytic activity in the presence of visible light, Results in Surfaces and Interfaces 14, 2024, 100153.

• TG Vijay Kumar, K Pavani, AJ Neves, K Munirathnam, S Naresh Kumar, GV Ashok Reddy, B Sreenivasulu, Photo and thermoluminescence of Pr³⁺ ions activated SrZr₄(PO₄)₆ nanophosphors: plant growth LED and dosimetry applications, Applied Physics A, 130 (2024) 49.

• S Vinod Kumar, D PrakashBabu, S Ponkumar, S Naresh Kumar, Shobith M Shanbogh, Jayadev Pattar, M Srinivas, K Munirathnam, R Hari Krishna, R Uthrakumar, K Kaviyarasu, Al_xSr_1-xTiO₃ perovskites with enhanced hydroxyl radicals and anions are highly reactive and break down organic dye molecules forming nontoxic by-products like H₂O and CO2, Surfaces and Interfaces, 44, (2023) 103739.

• GV Ashok Reddy, K Naveen Kumar, Ramachandra Naik, V Revathi, KM Girish, K Munirathnam, Comparative analysis of the effect of post-annealing on CeO₂ and DC Magnetron Sputtered WO₃/CeO₂ nanorods thin films for smart windows, Applied Surface Science Advances, 16 (2023) 100417.

• K.B. Ramesh T. Aravinda, K. Kavya, G. Nagendra, M. Srinivas, Prashanth Vishwa, Sakthivel Kandaiah, Aatika Nizam, K. Munirathnam, Synthesis of novel Se capped polymer photocatalyst mobilized under visible light: Exploration of piezoelectric effect and charge transfer mechanism in polymer matrix, Materials Science & Engineering B, 296 (2023) 116633.

• Vijay Kumar TG, K Munirathnam, C Parthasaradhi Reddy, S Thiyagaraj, KN Venkatachalaiah, PC Nagajyothi, Structural and spectral properties of triple-color emitting Eu doped SrZr₄ (PO₄)₆ phosphors: Plant growth LEDs application, optik, (2022)170116-170122.

• S Thiyagaraj, Vishal Vrashabhanath Samaje, Nagaiah Kambhala, A Christy Ferdinand, K Munirathnam, A study on structural analysis and magnetic behaviour of barium hexaferrite nanomaterial, Applied Physics A 128, 74 (2022)

• Koduru Mallikarjuna, Surya Veerendra Prabhakar Vattikuti,Ravi Manne, Gangarapu Manjula, Keelapattu Munirathnam, et al, Sono-Chemical Synthesis of Silver Quantum Dots Immobilized on Exfoliated Graphitic Carbon Nitride Nanostructures Using Ginseng Extract for Photocatalytic Hydrogen Evolution, Dye Degradation, and Antimicrobial Studies, Nanomaterials 2021, 11(11), 2918

• PC Nagajyothi, R Ramaraghavulu, K Munirathnam, K Yoo, Jaesool Shim, One-pot hydrothermal synthesis: Enhanced MOR and OER performance using low-cost Mn₃O₄ electrocatalyst, International Journal of Hydrogen Energy, 46, (2021) 13946-13951.

• K Munirathnam, PC Nagajyothi, K Hareesh, M Madesh Kumar, SD Dhole, Effect of Mn codopant on thermoluminescence properties of γ-rays irradiated Na₃Y(PO₄)₂: Dy phosphors for dosimetry applications, Applied Physics A, 127, (2021) 1-9

• K Munirathnam, Koduru Mallikarjuna, R Vijaya, PC Nagajyothi, K Ramakrishna Reddy, M Srinivas Spectral change and far-red emission of Mn²⁺ ions co-doped NaSrB₅O₉: Dy³⁺ luminescence material for plant growth LEDs, , Journal of Rare Earths (2021).

• K Munirathnam, Ramaraghavulu Rajavaram, PC Nagajyothi, S Thiyagaraj, M Srinivas, Synthesis and optimization of Dy-doped SrZr₄(PO₄)₆ nanophosphors for plant growth light-emitting diodes, Solid State Sciences, 109, 106455.

• B. Marappa, Vinayak Pattar, K. Munirathnam, M. S. Rudresha, Investigations on Electrical Resistivity and Dielectric Properties of Dy Doped MgO–ZrO₂ Composite Material, ECS Journal of Solid State Science and Technology, 9, (2020) 6.

• R Vishwanath, K Munirathnam, R Vijaya, PC Nagajyothi, Tunable emission and energy-transfer mechanism of single-phase Na₃Y (PO₄)₂: Ce³⁺, Mn²⁺ phosphors for white LEDs, Journal of Luminescence, 215(2019) 116651.

• K Munirathnam, PC Nagajyothi, D Prakashbabu, BDP Raju, J Shim, X-ray photoelectron spectroscopy and optical analysis of pure white light emitting Dy³⁺ and Mn²⁺ codoped Na₃Y (PO₄)₂ phosphors for solid-state lighting,Ceramics International, 45 (2019) 686-694.

• S Ponkumar, K Janaki, D Prakash Babu, K Munirathnam, M Madesh Kumar, ZrO₂-Al₂O₃ nanocomposite: Synthesis, characterization and influence of electron beam irradiation on the structural and PL properties, AIP Conference Proceedings 1966, 1, (2018) 20009.

• S Ponkumar, K Janaki, D Prakashbabu, HB Ramalingam, K Munirathnam, R Hari Krishna, Solution Combustion Synthesis of ZrO₂:Tb³⁺ Nanophosphors Viable for WLEDs, Materials Today: Proceedings, 5, (2018)10717-10721.

• S Ponkumar, K Janaki, D Prakashbabu, H B Ramalingam, K Munirathnam, TVM Sreekanth, S J Dhoble, ZrO₂: Sm³⁺ nanophosphor: synthesis, Rietveld refinement, optical and thermoluminescent properties (2018) Applied Physics A, 2,134, 124.

• D Prakashbabu, H B Ramalingam, R Hari Krishna, BM Nagabhushana, C Shivakumara, K Munirathnam, S Ponkumar, A potential white light emitting cubic ZrO₂: Dy³⁺, Li⁺ nano phosphors for solid state lighting applications, Journal of Luminescence 192, (2017) 496-503, ISSN: 0022-2313.

• K. Munirathnam and D. Prakashbabu, Variable light emission by the mixture of 1:1 ratio of LiNa₃P₂O₇:Sm³⁺and LiNa₃P₂O₇:Tb³⁺ phosphor under near UV excitation" Optik-International Journal for Light and Electron Optics, 140 (2017) 32-37.

• G.R. Dillip, K. Munirathnam, B. Deva Prasad Raju, N. John Sushma, S.W. Joo, An efficient orange–red emitting LiNa₃P₂O₇:Sm³⁺ pyrophosphate: Structural and optical analysis for solid state lighting, Luminescence 2016; 1–7, ISSN: 1522-7243.

• K Munirathnam, GR Dillip, S Chaurasia, SW Joo, BDP Raju, NJ Sushma, Investigations on surface chemical analysis using X-ray photoelectron spectroscopy and optical properties of Dy³⁺-doped LiNa₃P₂O₇ phosphor, Journal of Molecular Structure 1118 (2016) 117-123, ISSN: 0022-2860.

• K. Munirathnam et.al, Synthesis, photo luminescence and Judd– Ofelt parameters of LiNa₃P₂O₇:Eu³⁺orthorhombic microstructures, Appl. Phys. A (2015) 120 1615–1623, ISSN: 0947-8396.

• K. Munirathnam et.al, Synthesis, photoluminescence and thermoluminescence properties of LiNa₃P₂O₇:Tb³⁺ green emitting phosphor, Journal of Physics and Chemistry of Solids 86 (2015) 170–176, ISSN: 0022-3697.

Other Publications:

• S. Ponkumar, H. B Ramalingam, D. Prakashbabu, R. Harikrishna, K. Munirathnam, K. Janaki Green Synthesis of colour tunable green luminescence in Mn²⁺ doped ZnAl₂O₄ nanoglass ceramics, International Journal of Applied Engineering Research, Vol. 10 No.93 (2015), ISSN 0973-4562.

• K Munirathnam and S. Gupta, synthesis and characterization of Cd_1-x Mg_xTe alloy and their application in solar cells, Indian Journal of Pure and Applied physics, 52 (2014) 44-52, ISSN: 0975-1041.

• Teena Mathew, A. G Kunjomana, K. Munirathnam, K. A Chandrasekharan, M. Meena, C. K Mahadevan, Mechanical and Dielectric Properties of InTe Crystals, Crystal Structure Theory and Applications, 2012, 1, 79-83, ISSN Online: 2169-2505.

UG / PG Projects

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