Title Dr. First Name Koteswara Rao Last Name Peta
Designation Associate Professor
Department Department of Electronics Science SDC
Email krao@south.du.ac.in
Webpage
Phone.no 1124110440
Employement Info
Employee Type Nature Of Employment
Teaching Permanent
Educational Qualifications
Degree/Certification Name Institution Year of Completion
PG Sri Venkateswara University 2005
UG Sri Venkateswara University 2003
Fellowship Details
Name Of Fellowship Awarding Body Fellowship Level
Post Doctoral Fellow BK21 (South Korea) International
Teaching Experience (Within Institution)
Designation Duration
Post-Doctoral Fellow 07-09-2010 To 07-09-2012 (2 years)
Assistant Professor 21-05-2013 To 20-05-2023 (9 years, 11 months, 29 days)
Administrative Experience (Within Institution)
Designation Duration
Deputy Proctor 20-01-2022 To 17-10-2023 (1 years, 8 months, 27 days)
Warden 01-01-2020 To 18-12-2023 (3 years, 11 months, 17 days)
Joint Proctor Presently Working since 18-10-2023 (1 years, 9 months, 22 days)
Administrative Experience (Outside Institution)
Designation Institute Duration
Post-Doctoral Fellow Chungnam National University 07-09-2010 To 07-09-2012 (2 years)
Assistant professor TRR College of Engineering & Technology 02-07-2009 To 10-08-2010 (1 years, 1 months, 8 days)
Collaborative Activities
Title of Collaboration Name of Collaborative Agency Year Of Collaboration Duration (in months)
Research Project Delhi Technological University 2021 6
Synthesis and Characterization of Activated Carbon/Metal Oxide nano-composite for Water Purification Delhi Technological University 2022 6
Research Supervision Overview
PhD Scholars Supervised PhD Degrees Awarded Theses Submitted
0 3 0
Research Publications
Title of Article Type of Publication Name of Journal ISSN Journal Volume Year Link to Article DOI (Digital Object Identifier)
Design and FEM analysis of split electrode SAW sensor for volatile organic compound gases based on CNT/MoS2 composite for biomarker applications Research Papers in Scopus Listed Journals Journal of Computational Electronics 1572-8137 24 2025 file:///C:/Users/Rao/Desktop/s10825-025-02296-4.pdf https://doi.org/10.1007/s10825-025-02296-4
Effect of annealing temperature on structural and optical properties of BaFe2O4 nanocrystals: Energy storage applications Research Papers in Scopus Listed Journals Journal of Energy Storage 2352-1538 113 2025 https://www.sciencedirect.com/science/article/pii/S2352152X25003639 https://doi.org/10.1016/j.est.2025.115650
MoS2/PANI composite based photoluminescence sensor for selective sensing of dimethoate pesticide Research Papers in Scopus Listed Journals Applied Materials Today 2352-9407 41 2024 https://www.sciencedirect.com/science/article/pii/S2352940724004220 https://doi.org/10.1016/j.apmt.2024.102477
Tuning of interface quality of Al/CeO2/Si device by post-annealing of sol-gel grown high-k CeO2 layers Research Papers in Scopus Listed Journals Microelectronic Engineering 1873-5568 292 2024 https://www.sciencedirect.com/science/article/pii/S0167931724000819 https://doi.org/10.1016/j.mee.2024.112212
Novel Chitosan-ZnO nanocomposites derived from Nymphaeaceae fronds for highly efficient removal of reactive Blue 19, reactive Orange 16, and Congo Red dyes Research Papers in Scopus Listed Journals Environmental Research 0013-9351 247 https://www.sciencedirect.com/science/article/pii/S0013935124001324?dgcid=coauthor https://doi.org/10.1016/j.envres.2024.118228

Structural and photoluminescent features of Eu3+ activated single‐phase niobate phosphor for lighting applications Research Papers in Scopus Listed Journals International Journal of Applied Ceramic Technology 1546-542X 21 https://ceramics.onlinelibrary.wiley.com/doi/full/10.1111/ijac.14479 10.1111/ijac.14479
Effect of annealing temperature on structural, optical and magnetic properties of green synthesized ZFO nanoparticles for electrochemical energy storage applications Research Papers in Scopus Listed Journals Journal of Energy Storage 2352-1538 74 https://www.sciencedirect.com/science/article/pii/S2352152X2302892X https://doi.org/10.1016/j.est.2023.109494
Core Shell Heterojunction Interface in Green Synthesized Sm3+ ions doped ZnO nano-particles to Promote the Charge Separation for Efficient Photocatalytic Applications Research Papers in Scopus Listed Journals Journal of Alloys and Compounds 0925-8388 960 https://www.sciencedirect.com/science/article/pii/S0925838823021448 https://doi.org/10.1016/j.jallcom.2023.170841
Structural, optical, magnetic and anti-bacterial properties of green synthesized spinel zinc ferrite by microwave-assisted method Research Papers in Scopus Listed Journals Materials Chemistry and Physics 0254-0584 301 https://www.sciencedirect.com/science/article/pii/S0254058423003498 https://doi.org/10.1016/j.matchemphys.2023.127641
PVK-grafted multiwalled carbon nanotube materials with enhanced mobility for electronic devices Research Papers in Scopus Listed Journals Applied Surface Science Advances 2666-5239 13 https://www.sciencedirect.com/science/article/pii/S2666523923000119 https://doi.org/10.1016/j.apsadv.2023.100376
Eco-friendly Green Synthesis of stable ZnO nanoparticles using citrus limon: X-Ray Diffraction Analysis and Optical Properties Research Papers in Scopus Listed Journals Physica Scripta 1402-4896 97 https://iopscience.iop.org/journal/1402-4896 https://doi.org/10.1088/1402-4896/ac7efb
Enhanced sensitivity of langasite-based surface acoustic wave CO gas sensor using highly porous Ppy@ PEDOT: PSS hybrid nanocomposite Research Papers in Scopus Listed Journals Sensor and Actuator B: Chemical 0925-4005 363 https://www.sciencedirect.com/science/article/pii/S0925400522004282 https://doi.org/10.1016/j.snb.2022.131786
PrGO decorated TiO2 nanoplates hybrid nanocomposite for augmented NO2 gas detection with faster gas kinetics under UV light irradiation Research Papers in Scopus Listed Journals Sensors and Actuators B: Chemical 0925-4005 358 https://www.sciencedirect.com/science/article/pii/S0925400522001459 https://doi.org/10.1016/j.snb.2022.131503

Luminescent and colorimetric properties of the sol–gel derived mono-phase Dy3+ doped silicate-based phosphor for w-LED applications Research Papers in Scopus Listed Journals Journal of Sol-Gel Science and Technology 0928-0707 101 https://link.springer.com/article/10.1007/s10971-021-05704-w https://doi.org/10.1007/s10971-021-05704-w
Synergistic effect of graphene and ZnO nanorods in enhancing the performance of MEH-PPV based polymer light emitting diode Research Papers in Scopus Listed Journals Displays 0141-9382 73 https://www.sciencedirect.com/science/article/pii/S0141938222000178 https://doi.org/10.1016/j.snb.2021.130267
Boosting of NO2 gas sensing performances using GO-PEDOT:PSS nanocomposite chemical interface coated on langasite-based surface acoustic wave sensor Research Papers in Scopus Listed Journals Sensors and Actuators B: Chemical 0925-4005 344 https://www.sciencedirect.com/science/article/pii/S0925400521008352 https://doi.org/10.1016/j.snb.2021.130267
Ag Nanowire-Plasmonic-Assisted Charge Separation in Hybrid Heterojunctions of Ppy-PEDOT:PSS/GaN Nanorods for Enhanced UV Photodetection Research Papers in Scopus Listed Journals ACS applied materials & Interfaces 1944-8252 12 https://pubs.acs.org/doi/abs/10.1021/acsami.0c16795 https://doi.org/10.1021/acsami.0c16795
Synthesis of orange emitting Sm3+ doped sodium calcium silicate phosphor by sol-gel method for photonic device applications Research Papers in Scopus Listed Journals Ceramics International 0272-8842 46 https://www.sciencedirect.com/science/article/pii/S0272884220311810 https://doi.org/10.1016/j.ceramint.2020.04.224
Effects of reduced internal electric field in InGaN/pseudo-AlInGaN multi-quantum-well on forward leakage current and photocurrent properties Research Papers in Scopus Listed Journals Journal of Applied Physics 0021-8979 126 https://aip.scitation.org/doi/full/10.1063/1.5094201 https://doi.org/10.1063/1.5094201
Suppression of trap assisted non-geminate recombination by incorporation of multilayer graphene in P3HT:PCBM for stable and efficient photovoltaic device Research Papers in Scopus Listed Journals Journal of Materials Science: Materials in Electronics 0957-4522 29 https://www.springer.com/journal/10854 https://doi.org/10.1007/s10854-018-9933-z
Single mode waveguiding effect of ZnO nanorods to enhance the luminance of conjugated polymer based light emitting diodes Research Papers in Scopus Listed Journals Journal of Luminescence 0022-2313 204 https://www.journals.elsevier.com/journal-of-luminescence https://doi.org/10.1016/j.jlumin.2018.07.036
H2, H2S gas sensing properties of rGO/GaN nanorods at room temperature: Effect of UV illumination Research Papers in Scopus Listed Journals Sensors and Actuators B: Chemical 0925-4005 264 https://www.sciencedirect.com/journal/sensors-and-actuators-b-chemical https://doi.org/10.1016/j.snb.2018.03.018
UV enhanced NO gas sensing properties of the MoS2 monolayer gas sensor Research Papers in Scopus Listed Journals Materials Research Express 2053-1591 6 https://iopscience.iop.org/journal/2053-1591 https://doi.org/10.1088/2053-1591/aaa9ac
Leakage current transport mechanism under reverse bias in Au/Ni/GaN Schottky barrier diode Research Papers in Scopus Listed Journals Superlattices and Microstructures 0749-6036 113 https://www.sciencedirect.com/journal/superlattices-and-microstructures https://doi.org/10.1016/j.spmi.2017.11.056
Ion irradiation-induced, localized sp2 to sp3 hybridized carbon transformation in walls of multiwalled carbon nanotubes Research Papers in Scopus Listed Journals Nuclear Inst. and Methods in Physics Research B 0168-583X 412 https://www.sciencedirect.com/journal/nuclear-instruments-and-methods-in-physics-research-section-b-beam-interactions-with-materials-and-atoms http://dx.doi.org/10.1016/j.nimb.2017.09.019
The role of multilayer graphene in the improved electrical and optical characteristics of a P3HT-based photovoltaic device Research Papers in Scopus Listed Journals Materials Research Express 2053-1591 4 https://iopscience.iop.org/journal/2053-1591 https://doi.org/10.1088/2053-1591/aa7cba
Influence of rapid thermal annealing on electrical and structural properties of Pd/Au Schottky contact to Ga-polarity GaN grown on Si (111) substrate Research Papers in Scopus Listed Journals Journal of Alloys and Compounds 0925-8388 705 https://www.journals.elsevier.com/journal-of-alloys-and-compounds?msclkid=14ba7741ab2b11ec99fabf9975f0ebe8 http://dx.doi.org/10.1016/j.jallcom.2017.02.162 0925-8388
Behavior of temperature dependent electrical properties of Pd/Au Schottky contact to GaN grown on Si substrate by MBE Research Papers in Peer Reviewed Journals Materials Research Express 2053-1591 3 10.1088/2053-1591/3/12/125901
Role of Cl doping on the growth and relaxation dynamics of ZnO nanorods synthesized by hydrothermal method Research Papers in Peer Reviewed Journals Chemical Physics Letters 0009-2614 662 http://dx.doi.org/10.1016/j.cplett.2016.09.026
The effect of growth temperature of seed layer on the structural and optical properties of ZnO nanorods Research Papers in Peer Reviewed Journals Superlattices and Microstructures 0749-6036 93 https://www.sciencedirect.com/journal/superlattices-and-microstructures http://dx.doi.org/10.1016/j.spmi.2016.03.001
Effect of physicochemical properties of analyte on the selectivity of polymethylmethacrylate: Carbon nanotube based composite sensor for detection of volatile organic compounds Research Papers in Peer Reviewed Journals Materials Science in Semiconductor Processing 1369-8001 41 http://dx.doi.org/10.1016/j.mssp.2015.08.010

Improving the efficiency of a poly(3-hexylthiophene)- CuInS2 photovoltaic device by incorporating graphene nanopowder Research Papers in Peer Reviewed Journals Journal of nanophotonic 1934-2608 8 DOI: 10.1117/1.JNP.8.083092
Analysis of electrical properties and deep level defects in undoped GaN Schottky barrier diode Research Papers in Peer Reviewed Journals Thin Solid Films 0040-6090 534 http://dx.doi.org/10.1016/j.tsf.2013.01.100
Deep level defects in Ga- and N-polarity GaN grown by molecular beam epitaxy on si(111) Research Papers in Peer Reviewed Journals Journal of Crystal Growth 0022-0248 378 http://dx.doi.org/10.1016/j.jcrysgro.2012.12.118
Temperature-dependent electrical properties of (Pt/Au)/Ga-polarity GaN/Si(1 1 1) Schottky diode Research Papers in Peer Reviewed Journals Microelectronic engineering 0167-9317 93 doi:10.1016/j.mee.2011.11.019
Analysis of leakage current mechanisms in Pt/Au Schottky contact on Ga-polarity GaN by Frenkel-Poole emission and deep level studies Research Papers in Peer Reviewed Journals Journal of Applied Physics 0021-8979 110 https://doi.org/10.1063/1.3607245
Effect of rapid thermal annealing on deep level defects in the Si-doped GaN Research Papers in Peer Reviewed Journals Microelectronic engineering 0167-9317 87 doi:10.1016/j.mee.2009.06.005
Analysis of the current–voltage characteristics of the Pd/Au Schottky structure on n-type GaN in a wide temperature range Research Papers in Peer Reviewed Journals Semiconductor Science and Technology 0268-1242 24 doi:10.1088/0268-1242/24/3/035004
Effects of thermal annealing on the electrical and structural properties of Pt/Mo Schottky contacts on n-type GaN Research Papers in Peer Reviewed Journals Journal of Materials Science: Materials in Electronics 1573-482X 20 doi:10.1007/s10854-008-9824-9
Effect of annealing temperature on electrical and structural properties of transparent indium tin oxide electrode to n-type GaN Research Papers in Peer Reviewed Journals Materials Chemistry and Physics 0254-0584 114 doi:10.1016/j.matchemphys.2008.10.054
Electrical and structural properties of rapidly annealed Pd/Mo Schottky contacts on n-type Ga Research Papers in Peer Reviewed Journals Semiconductor Science and Technology 0268-1242 23 doi:10.1088/0268-1242/23/9/095026
Annealing temperature effect on electrical and structural properties of Cu/Au Schottky contacts to n-type GaN Research Papers in Scopus Listed Journals Microelectronic engineering 0167-9317 85 https://www.sciencedirect.com/science/article/pii/S0167931707006612 https://doi.org/10.1016/j.mee.2007.08.006
Annealing effects on structural and electrical properties of Ru/Au on n-GaN Schottky contacts Research Papers in Scopus Listed Journals Materials Science & Engineering B 0921-5107 137 https://www.sciencedirect.com/science/article/pii/S092151070600674X https://doi.org/10.1016/j.mseb.2006.11.018
Research Projects
Project Title Project Type Year Of Sanction Outcome/Output Duration
Synthesis and Characterization of Activated Carbon/Metal Oxide nano-composite for Water Purification Minor 2022 31-08-2022 To 31-03-2023 (7 months)
Synthesis and characterization of ferrites nanostructures energy storage applications Minor 2023 Research Publications 31-08-2023 To 15-02-2024 (5 months, 15 days)
Professional Development Programmes
Programme Title Sponsoring Institution Organizing Institution Role Type of Programme
Contemporary Development Trends in Materials Science and Engineering (Online) University Grand Commission UGC/ UGC-Human Resource Development Centre, Jawaharlal Nehru Technological University Hyderabad Attending Refresher Program
Faculty Induction Programme-II (Online) University Grand Commission UGC/ UGC-Human Resource Development Centre, Jawaharlal Nehru Technological University Hyderabad Attending Faculty Development Programmes
Online Summer School-cum-Faculty Development Programme (Advanced in Signal Processing and Machine Learning) IEEE Electron Device Society (EDS), Delhi Chapter MHRD-Institution Council, DDUC Chapter, DDU College, University of Delhi & Department of Electronic Science, University of Delhi South Campus and National Academy of Sciences India (NASI)-Delhi Chapter Attending Faculty Development Programmes
Refresher Course in Physical Science & Nano Sciences University Grand Commission UGC-Human Resource Development Centre, Jawaharlal Nehru University Attending Refresher Program
Orientation Course University Grand Commission UGC-Human Resource Development Centre, University of Hyderabad Attending Orientation Programme
Refresher Course in Physics University Grand Commission UGC-Human Resource Development Centre, Jawaharlal Nehru University Attending Refresher Program
Honors and Awards
Name of the Award Awarding Body Award Category Level Award Date
Best Poster Award Dr. S K Aggarwal Memorial Award 2021 Research National 16-12-2021
Research Publication Award IoE, University of Delhi Research University 06-10-2023
Talk Poster Presented
Name of the Activity Role Date of Activity
Cost-effective green synthesis of ZnO nanoparticles using limon by sol gel method for photonic applications Poster Presentation 16-12-2021
Synthesis Of ZnO Nano-Powder by Microwave-Assisted Solution Combustion Method And Effect Of Citric Acid Concentration On Crystallinity Of ZnO Poster Presentation 16-12-2021
insights of interface of ceo2-based MOS structure developed by solution method Poster Presentation 16-12-2021
Finite element method analysis of VOCs sensing via single-phase unidirectional transducers interleaved polybutene SAW sensor Poster Presentation 09-03-2022
Synthesis and characterization of Yttrium doped ZnO Nanostructures Oral Presentation 26-03-2021
Finite Element Method Analysis of VOCs Sensing via Single-Phase Unidirectional Transducers Interleaved Polybutene SAW Sensor Poster Presentation 09-03-2022
Modelling and Analysis of Polypyrrole Interleaved Polyvinylidene Fluoride Microcantilever Biosensor Poster Presentation 23-06-2022
Optimizing a V-Shaped Piezoelectric Microcantilever for Cadaverine Amine Detection Oral Presentation 15-07-2022
Green synthesis and characterization of pure ZnO and Sm doped ZnO NPs for photocatalytic applications. Oral Presentation 13-08-2022
Simulation of MEMS – A GaAs Guided Single-Phase Unidirectional Transducers Electrode SAW Senor for MC Oral Presentation 14-08-2022
Effect of annealing temperature on microstructural, optical and magnetic properties of spinel ZnFe2O4 nano particles. Oral Presentation 13-08-2022
Effect of Rare Earth Ions On Structural and Optical Properties Of ZnO Nanoparticles In Green Synthesis For Water Treatment Applications Poster Presentation 29-11-2022
Effect of thermal treatment on microstructure, optical and magnetic properties of superparamagnetic zinc ferrite nano particles synthesized by co-precipitation method Poster Presentation 29-11-2022
FEM Analysis of Split Electrode IDTs Designed Lithium Tantalate-Polyaniline SAW Gas Sensor Participant 04-12-2022
Strategic Approach to Enhance Photocatalytic Process of ZnO Nanoparticles for Water Treatment Applications Oral Presentation 20-12-2022
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