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Dr. K. N. Venkatachalaiah

Associate Professor, Physics, School of Engineering, Bengaluru

Qualification: MPhil, MSc, Ph.D
kn_venkatachalaiah@blr.amrita.edu
Ph: 9448603963
K. N. Venkatachalaiah's Google Scholar Profile
Research Interest: Nanophosphors, Nano Materials, Conducting Polymers

Bio

Dr. K. N. Venkatachalaiah currently serves as Associate Professor at the Department of Physics, Amrita School of Engineering, Bengaluru campus. His areas of research include Nanophosphors, Nano Materials, Conducting Polymers.

Publications

Journal Article

Year : 2023

Dysprosium doped BaMgO2 nanopowders as highly luminescent materials: Preparation, characterization, and forensic application

Cite this Research Publication : Dysprosium doped BaMgO2 nanopowders as highly luminescent materials: Preparation, characterization, and forensic application.
Authors: Sanjay S. Majani , Bhavana G. Gowda , R. Prema , V. Usha , Chandan Shivamallu , Muzaffar Iqbal , Raghavendra G. Amachawadi , K.N. Venkatachalaiah, Shiva Prasad Kollur.
Inorganic Chemistry Communications 155 (2023) 111133

Year : 2023

Versatil e deep re d -emitting SrCe O 3 : Eu 3 + nanopowder s fo r displa y device s an d advanced forensic applications

Cite this Research Publication : Versatil e deep re d -emitting SrCe O 3 : Eu 3 + nanopowder s fo r displa y device s an d advanced forensic applications.
Authors: Sanjay S . Majani , R . B . Basavaraj , K . N . Venkatachalaiah, Shiv a Prasad Kollur , Thalar Chandrasekhar.
Journal of Solid State Chemistry
Available online 29 September 2023, 124360
I F=3.3 Q2

Year : 2023

Eco-friendly synthesis of MnO2 nanoparticles using Saraca asoca leaf extract and evaluation of in vitro anticancer activity

Cite this Research Publication : Eco-friendly synthesis of MnO2 nanoparticles using Saraca asoca leaf extract and evaluation of in vitro anticancer activity.
Sanjay S. Majani , Sreelakshmi Sathyan, Megha Vadakkethil Manoj , Nimisha Vinod , Sushma Pradeep , Chandan Shivamall , Venkatachalaiah K.N, Shiva Prasad Kollur.
Current Research in Green and Sustainable Chemistry
Volume 6, 2023, 100367. I F= NA

Year : 2023

Efficient red-emitting SrZrO3:Eu3+ phosphor superstructures for display device applications

Cite this Research Publication : K.C. Sushma, R.B. Basavaraj, D.P. Aarti, M.B. Madhusudana Reddy, G. Nagaraju, M.S. Rudresha, H.M. Suresh Kumar, K.N. Venkatachalaiah, "Efficient red-emitting SrZrO3:Eu3+ phosphor superstructures for display device applications," Journal of Molecular Structure, Volume 1283, 135192, 2023. Impact Factor: 3.841

Publisher : Elsevier

Year : 2022

Structural and spectral properties of triple-color emitting Eu doped SrZr4(PO4)6 phosphors: Plant growth LEDs application Structural and spectral properties of triple-color emitting Eu doped SrZr4(PO4)6 phosphors: Plant growth LEDs application

Cite this Research Publication : Vijay Kumar T G, K. Munirathnam, C. Parthasaradhi Reddy, S. Thiyagaraj, Venkatachalaiah K.N, P.C. Nagajyothi, "Structural and spectral properties of triple-color emitting Eu doped SrZr4(PO4)6 phosphors: Plant growth LEDs application Structural and spectral properties of triple-color emitting Eu doped SrZr4(PO4)6 phosphors: Plant growth LEDs application," Optik, Volume 271, December 2022, 170116. (IF=2.842)

Publisher : Elsevier

Year : 2021

Sonochemical assisted red emanating Mg2SiO4: Eu3+ fluorescent nanophosphor for display applications

Cite this Research Publication : K. N. Venkatachalaiah, Venkataravanappa, M., and Nagabhushana, H., “Sonochemical assisted red emanating Mg2SiO4: Eu3+ fluorescent nanophosphor for display applications”, AIP Conference Proceedings, vol. 2327, p. 020016, 2021.

Publisher : AIP Conference Proceedings,

Year : 2020

Shape controllable ultrasound assisted fabrication of CaZrO3:Dy3+ hierarchical structures for display, dosimetry and advanced forensic applications

Cite this Research Publication : D. Navami, Darshan, G. P., Basavaraj, R. B., Sharma, S. C., Kavyashree, D., K. N. Venkatachalaiah, and Nagabhushana, H., “Shape controllable ultrasound assisted fabrication of CaZrO3:Dy3+ hierarchical structures for display, dosimetry and advanced forensic applications”, Journal of Photochemistry and Photobiology A: Chemistry, vol. 389, p. 112248, 2020.

Publisher : Journal of Photochemistry and Photobiology A: Chemistry,

Year : 2020

Imaging sweat pore structures in latent fingerprints and unclonable anti-counterfeiting patterns by sensitizers blended LaOF:Pr3+ nanophosphors

Cite this Research Publication : C. Suresh, Darshan, G. P., Sharma, S. C., Venkataravanappa, M., Premkumar, H. B., Shanthi, S., K. N. Venkatachalaiah, and Nagabhushana, H., “Imaging sweat pore structures in latent fingerprints and unclonable anti-counterfeiting patterns by sensitizers blended LaOF:Pr3+ nanophosphors”, Optical Materials, vol. 100, p. 109625, 2020.

Publisher : Optical Materials,

Year : 2019

Bio-mediated Combustion Synthesis and Color Characteristic Studies of Y2O3:Tm3+ Nanoscale Superstructures

Cite this Research Publication : K. N. Venkatachalaiah, Nagabhushana, H., and Venkataravanappa, M., “Bio-mediated Combustion Synthesis and Color Characteristic Studies of Y2O3:Tm3+ Nanoscale Superstructures”, IOP Conference Series: Materials Science and Engineering, vol. 577, p. 012184, 2019.

Publisher : IOP Conference Series: Materials Science and Engineering, IOP Publishing,

Year : 2018

Photoluminescence properties of Dy3+ activated Ca2SiO4 nanophosphor for WLED applications

Cite this Research Publication : M. Venkataravanappa, K. N. Venkatachalaiah, Basavaraj, R. B., Kumar, J. B. Prasann, B. Prasad, D., and Nagabhushana, H., “Photoluminescence properties of Dy3+ activated Ca2SiO4 nanophosphor for WLED applications”, Inorganic and Nano-Metal Chemistry, vol. 48, pp. 107-109, 2018.

Publisher : Inorganic and Nano-Metal Chemistry, Taylor & Francis,

Year : 2018

Ultrasound assisted sonochemical synthesis of samarium doped Y2O3 nanostructures for display applications

Cite this Research Publication : K. N. Venkatachalaiah, Nagabhushana, H., Basavaraj, R. B., Venkataravanappa, M., and Suresh, C., “Ultrasound assisted sonochemical synthesis of samarium doped Y2O3 nanostructures for display applications”, AIP Conference Proceedings, vol. 1942, p. 050100, 2018.

Publisher : AIP Conference Proceedings,

Year : 2018

Cymbopogoncitratus assisted green synthesis of doped Yttrium nanopowder: Structural and Photoluminescence properties for wLEDs applications

Cite this Research Publication : K. N. Venkatachalaiah, Nagabhushana, H., Basavaraj, R. B., and Venkataravanappa, M., “Cymbopogoncitratus assisted green synthesis of doped Yttrium nanopowder: Structural and Photoluminescence properties for wLEDs applications”, Materials Today: Proceedings, vol. 5, pp. 21385-21391, 2018.

Publisher : Materials Today: Proceedings,

Year : 2018

Sonochemical driven ultrafast synthesis of Praseodymium doped Y2O3 nanostructures for display applications

Cite this Research Publication : K. N. Venkatachalaiah, Nagabhushana, H., Basavaraj, R. B., and Venkataravanappa, M., “Sonochemical driven ultrafast synthesis of Praseodymium doped Y2O3 nanostructures for display applications”, IOP Conference Series: Materials Science and Engineering, vol. 310, p. 012114, 2018.

Publisher : IOP Conference Series: Materials Science and Engineering,

Year : 2018

Flux blended synthesis of novel Y2O3:Eu3+ sensing arrays for highly sensitive dual mode detection of LFPs on versatile surfaces

Cite this Research Publication : K. N. Venkatachalaiah, Nagabhushana, H., Basavaraj, R. B., Darshan, G. P., B. Prasad, D., and Sharma, S. C., “Flux blended synthesis of novel Y2O3:Eu3+ sensing arrays for highly sensitive dual mode detection of LFPs on versatile surfaces”, Journal of Rare Earths, 2018.

Publisher : Journal of Rare Earths

Year : 2017

Blue light emitting Y2O3:Tm3+ nanophosphors with tunable morphology obtained by bio-surfactant assisted sonochemical route

Cite this Research Publication : K. N. Venkatachalaiah, Nagabhushana, H., Darshan, G. P., Basavaraj, R. B., B. Prasad, D., and Sharma, S. C., “Blue light emitting Y2O3:Tm3+ nanophosphors with tunable morphology obtained by bio-surfactant assisted sonochemical route”, Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, vol. 184, pp. 89-100, 2017.

Publisher : Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy,

Year : 2017

Color tuning in neodymium doped dicalcium silicate nanostructures prepared via ultrasound method

Cite this Research Publication : M. Venkataravanappa, Nagabhushana, H., Basavaraj, R. B., K. N. Venkatachalaiah, and B. Prasad, D., “Color tuning in neodymium doped dicalcium silicate nanostructures prepared via ultrasound method”, AIP Conference Proceedings, vol. 1832, p. 050114, 2017.

Publisher : AIP Conference Proceedings,

Year : 2017

Structural, morphological and photometric properties of sonochemically synthesized Eu3+ doped Y2O3 nanophosphor for optoelectronic devices

Cite this Research Publication : K. N. Venkatachalaiah, Nagabhushana, H., Darshan, G. P., Basavaraj, R. B., B. Prasad, D., and Sharma, S. C., “Structural, morphological and photometric properties of sonochemically synthesized Eu3+ doped Y2O3 nanophosphor for optoelectronic devices”, Materials Research Bulletin, vol. 94, pp. 442-455, 2017.

Publisher : Materials Research Bulletin,

Year : 2017

Ultrasound assisted rare earth doped Wollastonite nanopowders: Labeling agent for imaging eccrine latent fingerprints and cheiloscopy applications

Cite this Research Publication : B. R.B., H, N., G.P., D., B., D. Prasad, S.C., S., and K. N. Venkatachalaiah, “Ultrasound assisted rare earth doped Wollastonite nanopowders: Labeling agent for imaging eccrine latent fingerprints and cheiloscopy applications”, Journal of Industrial and Engineering Chemistry, 2017.

Publisher : Journal of Industrial and Engineering Chemistry

Year : 2017

Novel and highly efficient red luminescent sensor based SiO 2@ Y 2 O 3: Eu 3+, M+(M+= Li, Na, K) composite core–shell fluorescent markers for latent fingerprint recognition, security ink and solid state lightning applications

Cite this Research Publication : K. N. Venkatachalaiah, Nagabhushana, H., Darshan, G. P., Basavaraj, R. B., and B Prasad, D., “Novel and highly efficient red luminescent sensor based SiO 2@ Y 2 O 3: Eu 3+, M+(M+= Li, Na, K) composite core–shell fluorescent markers for latent fingerprint recognition, security ink and solid state lightning applications”, Sensors and Actuators B: Chemical, vol. 251, pp. 310-325, 2017.

Publisher : Sensors and Actuators B: Chemical

Year : 2017

Mimosa pudica mediated praseodymium substituted calcium silicate nanostructures for white LED application

Cite this Research Publication : R. B. Basavaraj, K. N. Venkatachalaiah, Nagabhushana, H., B. Prasad, D., and Sharma, S. C., “Mimosa pudica mediated praseodymium substituted calcium silicate nanostructures for white LED application”, Journal of Alloys and Compounds, vol. 690, pp. 730–740, 2017.

Publisher : Journal of Alloys and Compounds

Year : 2017

Blue light emitting YO:Tm nanophosphors with tunable morphology obtained by bio-surfactant assisted sonochemical route.

Cite this Research Publication : K. N. Venkatachalaiah, Nagabhushana, H., Darshan, G. P., Basavaraj, R. B., B Prasad, D., and Sharma, S. C., “Blue light emitting YO:Tm nanophosphors with tunable morphology obtained by bio-surfactant assisted sonochemical route.”, Spectrochim Acta A Mol Biomol Spectrosc, vol. 184, pp. 89-100, 2017.

Publisher : Spectrochim Acta A Mol Biomol Spectrosc

Year : 2017

Blue light emitting Y 2 O 3: Tm 3+ nanophosphors with tunable morphology obtained by bio-surfactant assisted sonochemical route

Publisher : Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Conference Paper

Year : 2016

Mimosa pudica (L.) assisted green synthesis and photoluminescence studies of Y2O3:Mg2+ nanophosphor for display applications

Cite this Research Publication : K. N. Venkatachalaiah, Nagabhushana, H., Venkataravanappa, M., and Basavaraj, R. B., “Mimosa pudica (L.) assisted green synthesis and photoluminescence studies of Y2O3:Mg2+ nanophosphor for display applications”, in IConAMMA-2016, 2016.

Publisher : IConAMMA-2016

Year : 2016

Effect of low energy ion irradiation on the transport and structural behavior of PEDOT:PSS systems

Cite this Research Publication : Sa Shilpa, Venkatachalaiah, K. Nb, Damle, Rc, Kumar, Pd, Kanjilal, Dd, and Kumaraswamy, G. N., “Effect of low energy ion irradiation on the transport and structural behavior of PEDOT:PSS systems”, in AIP Conference Proceedings, 2016, vol. 1731.

Publisher : AIP Conference Proceedings, American Institute of Physics Inc.

Qualification
Year Degree Name of the university
From July 2014 Ph.D. Bharathiar university
2010 M.Phil M. S. University
1993 M. Sc. Bangalore university
Research Scholars
Sl. No. Name of the Student(s) Topic Status – Ongoing/ Completed Year of Completion
1 Sanjay Majani Luminscence properties of metal oxides Ongoing  
2. M. Kelvin Sustainable energy sources Ongoing  
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