faculty-profile

Dr. Radhakrishnan S

info

Associate Professor

Department of Chemistry

Alagappa University

10

Energy storage and conversion applications, Flexible carbon nanofiber electrodes, and Nanomaterials fabrication

Electrochemical sensors/bio-sensors and Electro-catalyst

Educational
Qualifications
(From Highest)

2014

PhD in Biosensors-Chemistry

2007

M.Sc in Chemistry

2005

B.Sc in Chemistry

Professional
Experience

2024

Associate Professor at SR University, Warangal, from 2024-10-30 to .

2021

Postdoctoral Researcher at Jeonbuk National University, South Korea, from 2021-08-02 to 2024-10-17.

2016

DST-Inspire Faculty at CSIR-Central Electrochemical Research Institute, Karaikudi, from 2016-04-25 to 2021-04-24.

2015

Postdoctoral Researcher at Jeonbuk National University, South Korea, from 2015-10-01 to 2016-04-13.

2015

Postdoctoral Researcher at Kongju National University, from 2015-02-01 to 2015-09-30.

2014

Postdoctoral Researcher at Jeju National University, from 2014-04-01 to 2015-01-31.

Student
Supervision

1

Ph.D

Key Publications

Synthesis of polyethylene glycol assisted tungsten oxide nanopariticles for L-dopa biosensing applications. V. Hariharan, S. Radhakrishnan, M. Parthibavarman, R. Dhilipkumar, C. Sekar. Talanta 85 (2011) 2166-2174. [Impact Factor: 6.1]

Sensitive label-free electrochemical DNA hybridization detection in the presence of 11-mercaptoundecanoic acid on the thiolated single strand DNA and mercaptohexanol binary mixed monolayer surface. V. Dharuman, K. Vijayaraj, S. Radhakrishnan, T. Dinakaran, J. Shankara narayanan, M. Bhuvana, J. Wilson. Electrochimica Acta 56 (2011) 2166-2174. [Impact Factor: 6.6]

Fabrication of hydrogen peroxide biosensor based on Ni doped SnO2 nanoaprticles. N. Lavanya, S. Radhakrishnan, C. Sekar. Biosensors and Bioelectronics 36 (2012) 41-47. [Impact Factor: 12.6]

Fabrication of Cr doped SnO2 nanoparticles based biosensor for the selective determination of riboflavin in pharmaceuticals. N. Lavanya, S. Radhakrishnan, C. Sekar, M. Navaneethan, H. Hayakawa. Analyst 138 (2013) 2061-2067. [Impact Factor: 4.2]

Supercapacitive properties of hydrothermally synthesized sphere like MoS2 nanostructure. K. Karthikeyan, V. Ganesh Kumar, S. Radhakrishnan, S.J. Kim. Materials Research Bulletin 50 (2014) 499-502. [Impact Factor: 5.4]

Synthesis, characterization, and electrochemical properties of CoMoO4 nanostructures. V. Ganesh Kumar, K. Karthikeyan, S. Radhakrishnan, S.J. Kim. International Journal of Hydrogen Energy 39 (2014) 5186-5193. [Impact Factor: 7.2]

Sonochemical synthesis, characterization and electrochemical properties of MnMoO4 nanorods for supercapacitor applications. V. Ganesh Kumar, K. Karthikeyan, S. Radhakrishnan, S.J. Kim. Materials Chemistry and Physics 147 (2014) 836-842. [Impact Factor: 4.6]

Controlled growth of single-crystalline nanostructured dendrites of Fe2O3 blended with MWCNT: a systematic investigations of highly selective determination of L-dopa. C. Sumathi, P. Muthukumaran, S. Radhakrishnan, J. Wilson, A. Umar. RSC Advances 4 (2014) 23050-23057. [Impact Factor: 3.9]

One pot hydrothermal growth of hierarchical nanostructured Ni3S2 on Ni foam for supercapacitor applications. K. Karthikeyan, V. Ganesh Kumar, S. Radhakrishnan, S.J. Kim. Chemical Engineering 25 (2014) 116-122. [Impact Factor: 15.1]

Fabrication of folic acid sensor based on the Cu doped SnO2 nanoparticles modified glassy carbon electrode. N. Lavanya, S. Radhakrishnan, N. Sudan, C. Sekar, S.G. Leonardi, C. Cannilla, G. Neri. Nanotechnology 39 (2014) 5186-5193. [Impact Factor: 3.5]

Preparation of copper sulfide nanoparticles by Sonochemical method and study of their electrochemical properties. K. Karthikeyan, V. Ganeshkumar, S. Radhakrishnan, S.J. Kim. Journal of Nanoscience and Nanotechnology 15 (2015) 4409-4413. [Impact Factor: 1.354]

Electrochemical sensor based on Fe doped hydroxyapatite-carbon nanotube composite for L-dopa detection in the presence of uric acid. P. Kanchana, S. Radhakrishnan, M. Navaneethan, M. Arivandhan, Y. Hayakawa, C. Sekar. Journal of Nanoscience and Nanotechnology 16 (2016) 6185-6192. [Impact Factor: 1.354]

Riboflavin detection by Fe2O3/MWCNT/AuNPs-based composite and study of the interaction of riboflavin with DNA. C. Sumathi, P. Muthukumaran, S. Radhakrishnan, G. Ravi, J. Wilson. RSC Advances 5 (2015) 17888-17896. [Impact Factor: 3.9]

A new strategy for simultaneous determination of 4-aminophenol, uric acid, and nitrite based on graphene/hydroxyapatite composite modified glassy carbon electrode. N. Lavanya, N. Sudhan, P. Kanchana, S. Radhakrishnan, C. Sekar, RSC Advances 5 (2015) 52703-52709. [Impact Factor: 3.9]

Core/shell-like NiCo2O4-decorated MWCNT hybrids prepared by a dry synthesis techniques and its supercapacitor applications. T.H. Ko, S. Radhakrishnan, W-K. Choi, M-K. Seo, B.S. Kim, Materials Letters 166 (2016) 105-109. [Impact Factor: 3.0]

In-site chemical oxidative polymerization of aniline monomer in the presence of cobalt molybdate for supercapacitor applications. V. Ganeshkumar, K. Karhtikeyan, S. Radhakrishnan, N-J. Kim, S.J. Kim. Journal of Industrial and Engineering Chemistry 36 (2016) 163-168. [Impact Factor: 6.1]

Novel MWCNT interconnected NiCo2O4 aerogels prepared by a supercritical CO2 drying method for ethanol electrooxidaiton in alkaline media. J.S. Sivabalan, T-H. Ko, S. Radhakrishnan, C-M. Yang, H-Y. Kim, B.S. Kim. International Journal of Hydrogen Energy 41 (2016) 13504-13512. [Impact Factor: 7.2]

Non-enzymatic electrochemical oxidation based on AuNP/PPy/rGO nanohybrid modified glassy carbon electrode as a sensing platform for oxalic acid. P. Sharma, S. Radhakrishnan, J.S. Sivabalan, B.S. Kim. Electroanalysis 28 (2016) 2626-2632. [Impact Factor: 3.0]

A green and scalable dry synthesis of NiCo2O4/graphene nanohybrids for high performance supercapacitor and enzymeless glucose biosensor application. T-H. Ko, S. Radhakrishnan, M-K. Seo, M-S.Khil, H-Y. Kim, B-S. Kim. Journal of Alloys and Compounds. [Impact Factor: 6.2]

Mesoporous 3D NiCo2O4/MWCNT nanocomposite aerogels prepared by a supercritical CO2 drying method for high performance hybrid supercapacitor electrodes. J.S. Sivabalan, S. Radhakrishnan, B. Saravanakumar, M-K. Seo, M-S. Khi, H-Y. Kim, B-S. Kim. Colloids and Surfaces A 538 (2018) 451-459. [Impact Factor: 5.2]

Simple room temperature synthesis of porous nickel phosphate foam for electrocatalytic ethanol oxidation. P. Sharma, S. Radhakrishnan, M-S. Khil, H-Y. Kim, B-S. Kim. Journal of Electroanlaytical Chemistry 808 (2018) 236-244. [Impact Factor: 4.5]

Dual functional nickel cobalt/MWCNT composite electrode-based electrochemical capacitor and enzymeless glucose biosensor applications: Influence of Ni/Co molar ratio. T.H. Ko, J-Y. Seong, S. Radhakrishnan, C-S. Kwak, M-S. Khil, H-Y. Kim, B-S. Kim. Journal of Industrial Engineering Chemistry 73 (2019) 1-7. [Impact Factor: 6.1]

Electrochemical tracing of butein using carbon nanoparticles interfaced electrode processed from biowaster. P. Kanagavalli, S. Radhakrishnan, G. Pandey, V. Ravichandiran, G.P. Pazhani, M. Veerapandian, G. Hegde. Electroanalysis 32 (2020) 1-7. [Impact Factor: 3.0]

Facile green synthesis of Ag-Cu decorated ZnO nanocomposite for effective removal of toxic organic compounds and an efficient detection of nitrite ions. G. Manjari, S. Saran, S. Radhakrishnan, P. Rameshkumar, A. Pandikumar, S.P. Devipriya. Journal of Environmental Management 262 (2020) 110282. [Impact Factor: 8.7]

Nickel sulfide-incorporated sulfur-doped graphitic carbon nitride nanohybrid interface for non-enzymatic electrochemical sensing of glucose. S. Vinoth, P. Mary Rajaitha, A. Venkadesh, K.S. Shalini Devi, S. Radhakrishnan, A. Pandikumar. Nanoscale Advances 2 (2020) 4242-4250. [Impact Factor: 4.7]

A facile fabrication of poly-ethionine film on glassy carbon electrode for simultaneous and sensitive detection of dopamine and paracetamol. A. Kannan, S. Radhakrishnan. Electroanalysis 33 (2021) 1175-1184. [Impact Factor: 3.0]

Preparation of network-structured carbon nanofiber mats based on PAN blends using electrospinning and hot-pressing method for supercapacitor application. M-J. Ma, J-G. Seong, S. Radhakrishnan, T-H. Ko, B-S. Kim. Nanomaterials 11 (2011) 2447. [Impact Factor: 5.3]

Preparation and electrochromic properties of flexible transparent WO3/AgNWs decorated nanofiber. J-H. Noh, S. Radhakrishnan, K.T. Lee, T.H. Ko, B-S. Kim, Functional Composite and Structures 3 (2021) 4. [Impact Factor: 2.8]

In vitro toxicological assessment and biosensing potential of bioinspired chitosan nanoparticles, selenium nanoparticles, chitosan/selenium nanocomposites, silver nanoparticles and chitosan/silver nanocomposites. C. Krishnaraj, S. Radhakrishnan, R. Ramachandran, T. Ramesh, B-S. Kim, S-I. Yun, Chemosphere 301 (2022) 134790. [Impact Factor: 8.8]

A simple and green approach to develop porous carbons from biomass lignin for advanced asymmetric supercapacitors. D-Y. Kim, C-H. Ma, Y. Jang, S. Radhakrishnan, T-H. Ko, B-S. Kim. Colloids and Surfaces A: Physiochemical and Engineering Aspects 652 (2022) 129785. [Impact Factor: 5.2]

Facile fabrication of flower-like Ni-Co-Mn based LDHs and their superior catalytic performance of atenolol, nitrite, and methanol. M-G. Lee, K. Govindan, S. Radhakrishnan, T.H. Ko, B-S. Kim. Journal of Environmental Chemical Engineering 10 (2022) 108721. [Impact Factor: 7.7]

Polyaniline decorated salt activated phenolic resin/PAN-based carbon nanofibers with remarkable cycle stability for energy storage applications. D. Lei, X-D. Li, S. Radhakrishnan, B-S. Kim, Materials Letters 333 (2023) 133688. [Impact Factor: 3.0]

Thermosensitive polymer-modified mesoporous silica for pH and temperature-responsive drug delivery, T. Kokila, M. Santhamoorthy, S. Radhakrishnan, S. Ulagesan, T-J. Nam, T.T.V. Phan, S-C. Kim, Pharmaceutics, 15 (2023) 795. [Impact Factor: 5.4]

Polyacrylonitrile-grafted lignin copolymer derived carbon nanofibers as flexible electrode for high performance capacitive energy storage, D-Y. Kim, S. Radhakrishnan, S. Yu, B-S. Kim, Mater. Adv., 4 (2023) 3215-3223. [Impact Factor: 5.0]

Green synthesis of kenaf-based activated carbons with excellent rate capability and cycle-life via hydrothermal-co-activation process for high-performance capacitive energy storage, J-H. Noh, K-Y. Lee, J-H. Kim, H-M. Lee, S. Radhakrishnan, B-S. Kim, Colloids and Surfaces A: Physiochemical and Engineering Aspects, 682 (2023) 132874. [Impact Factor: 5.2]

Fabrication of porous non-enzymatic glucose sensing electrodes through nanosecond-laser patterning of metal-organic frameworks, S. Arthanari, S. Radhakrishnan, J-E. Park, M. Yang, H. Lee, B-S. Kim, J.S. Hwang, Advanced Materials Technologies (2024) 2301561. [Impact Factor: 6.8]

Computer aided aptamer selection for fabrication of electrochemical sensor to detect AFB1, M.M. Asmare, C. Krishnaraj, S. Radhakrishnan, B-S. Kim, S-I. Kim, Journal of Biomolecular Structure and Dynamics (2024) In Press; DOI: https://doi.org/10.1080/07391102.2024.2308760. [Impact Factor: 4.4]

In silico modelling of ciprofloxacin specific aptamer for the development of high-performance biosensor, M.M. Asmare, C. Krishnaraj, S. Radhakrishnan, B-S. Kim, J-S. Yoon, S-I. Yun, Journal of Molecular Graphics and Modelling 130 (2024) 108787. [Impact Factor: 2.9]

Electrochemical synthesis and studies on polypyrrole doped by renewable dopant CAPSA derived from cardanol from cashew nutshells. S. Radhakrishnan, C.R.K. Rao, M. Vijayan. Journal of Applied Polymer Science 114 (2009) 3125-3131. [Impact Factor: 3.0]

Organically soluble bifunctional polyaniline-magnetite composites: sensing and supercapacitor property. S. Radhakrishnan, S. Prakash, C.R.K. Rao, M. Vijayan. Electrochemical Solid-State Letters 12 (2009) A84-A87. [Impact Factor: 2.0]

Performance of conducting polyaniline-DBSA and polyaniline-DBSA/Fe3O4 composites as electrode materials for aqueous redox supercapacitors. S. Radhakrishnan, C.R.K. Rao, M. Vijayan, Journal of Applied Polymer Science 122 (2011) 1510-1518. [Impact Factor: 3.0]

Performance of phosphoric acid doped polyaniline as electrode materials for aqueous redox supercapacitor. S. Radhakrishnan, R. Muthukannan, U. Kamachi, C.R.K. Rao, M. Vijayan, Indian Journal of Chemistry 50A (2011) 970-978. [Impact Factor: 0.412]

Polypyrrole-plyaniline-Au (PPy-PANi-Au) nanocomposite films for label-free DNA sensing. J. Wilson, S. Radhakrishnan, C. Sumathi, V. Dharuman. Sensors and Actuators B 171-172 (2012) 216-222. [Impact Factor: 8.4].

Gold nanoparticles functionalized poly(3,4-ethylenedioxythiophene) thin film for highly sensitive label free DNA detection. S. Radhakrishnan, C. Sumathi, V. Dharuman, J. Wilson. Analytical Methods 5 (2013) 684-689. [Impact Factor: 3.1]

Polypyrrole nanotubes-polyaniline composite for DNA detection using methylene blue as intercalator. S. Radhakrishnan, C. Sumathi, V. Dharuman, J. Wilson. Analytical Methods 5 (2013) 1010-1015. [Impact Factor: 3.1]

Polypyrrole-poly(3,4-ethylenedioxythiophene)-Ag (PPy-PEDOT-Ag) nanocomposite films for label-free electrochemical DNA sensing, S. Radhakrishnan, C. Sumathi, A. Umar, S.J. Kim, J. Wilson, V. Dharuman, Biosensors and Bioelectronics 47 (2013) 133-140. [Impact Factor: 12.6]

A highly sensitive electrochemical sensor for nitrite detection based on Fe2O3 nanoparticles decorated reduced graphene oxide nanosheets. S. Radhakrishnan, K. Karthikeyan, C. Sekar, J. Wilson, S.J. Kim, Applied Catalysis B: Environmental 148-149 (2014) 22-28. [Impact Factor: 22.1].

A promising electrochemical sensing platform based on ternary composite of polyaniline-Fe2O3-reduced graphene oxide for sensitive hydroquinone determination. S. Radhakrishnan, K. Karthikeyan, C. Sekar, J. Wilson, S.J. Kim, Chemical Engineering Journal 259 (2015) 594-602. [Impact Factor: 15.1]

An enzymatic biosensor for hydrogen peroxide based on one-pot preparation of CeO2-reduced graphene oxide nanocomposite. S. Radhakrishnan, S.J. Kim, RSC Advances 5 (2015) 12937-12943. [Impact Factor: 3.9]

Facile fabrication of NiS and reduced graphene oxide hybrid film for nonenzymatic detection of glucose. S. Radhakrishnan, S.J. Kim, RSC Advances 5 (2015) 44346-44352. [Impact Factor: 3.9]

A novel CuS microflower superstructure based sensitive and selective nonenzymatic glucose detection. S. Radhakrishnan, H-Y. Kim, B-S. Kim, Sensors and Actuators B: Chemical 233 (2016) 93-99. [Impact Factor: 8.4]

Expeditious and eco-friendly fabrication of highly uniform microflower superstructures and their applications in highly durable methanol oxidation and high-performance supercapacitors. S. Radhakrishnan, H-Y. Kim, B.S. Kim, Journal of Materials Chemistry A 4 (2016) 12253-12262. [Impact Factor: 11.9]

Eco-friendly synthesis and morphology dependent superior electrocatalytic properties of CuS nanostructures. A. Venkadesh, S. Radhakrishnan*, J. Mathiyarasu, Electrochimica Acta 246 (2017) 544-552. [Impact Factor: 6.6]

CoP embedded hierarchical N-doped carbon nanotube frameworks as efficient catalysts for hydrogen evolution reaction. G. Vinoth, J. Kim, S. Radhakrishnan*, ChemElectroChem 5 (2018) 1644-1651. [Impact Factor: 4.782]

MOF assisted synthesis of new porous nickel phosphate nanorods as an advanced electrode material for energy storage application. P. Suganya, A. Venkadesh, J. Mathiyarasu, S. Radhakrishnan*, Journal of Solid State Electrochemistry 23 (2019) 3429-3435. [Impact Factor: 2.5]

Voltammetric nonenzymatic sensing of glucose by using a porous nanohybrid composed of CuS@SiO2 spheres and polypyrrole. S. Radhakrishnan*, G. Vinoth, J. Kim, Microchimica Acta 187 (2020) 260. [Impact Factor: 5.7].

Fabrication of an electrochemical sensor based on gold nanoparticles functionalized polypyrrole nanotubes for the highly sensitive detection of L-dopa. A. Kannan, S. Radhakrishnan*, Materials Today Communications 25 (2020) 101330. [Impact Factor: 3.8]

Electrochemical enzyme-free sensing of oxalic acid using amine mediated synthesis of CuS nanosphere. A. Venkadesh, J. Mathiyarasu, S. Radhakrishnan*, Analytical Sciences 37 (2021) 949-954. [Impact Factor: 1.967]

Voltammetric sensing of caffeine in food sample using Cu-MOF and graphene. A. Venkadesh, J. Mathiyarasu, S. Radhakrishnan*, Electroanalysis 33 (2021) 1007-1013. [Impact Factor: 3.077]

MOF mediated synthesis of porous copper oxide and their electrochemical sensing of caffeic acid in caffeinated drinks. A. Venkadesh, J. Mathiyarasu, S. Radhakrishnan*, Inorganic Chemistry Communication 128 (2021) 108573. [Impact Factor: 3.8]

Amine mediated synthesis of nickel oxide nanoparticles and their superior electrochemical sensing performance for glucose detection. A. Venakadesh, J. Mathiyarasu, S. Dave, S. Radhakrishnan*, Inorganic Chemistry Communications 131 (2021) 108779. [Impact Factor: 3.8]

Electrodeposited partially oxidized Bi and NiCo alloy based thin films for aqueous hybrid high energy microcapacitor. S. Radhakrishnan, R. Sekar, B. Rajasekhar, J. Mathiyarasu, P. Ragupathi, M. Ulaganathan, Journal of Alloys and Compounds 888 (2021) 161453. [Impact Factor: 6.2]

Environmental-assisted shape-controlled synthesis and electrocatalytic performance of CuS nanostructures for vanillin detection in commercial food products. S. Radhakrishnan, J. Mathiyarasu, B-S. Kim, Applied Materials Today 27 (2022) 101428. [Impact Factor: 8.3]

Morphology engineering of Co-MOF nanostructures to tune their electrochemical performances for electrocatalyst and energy storage applications supported by DFT studies. S. Radhakrishnan, S.C. Selvaraj, B-S. Kim, Applied Surface Science 605 (2022) 154691. [Impact Factor: 6.7]

Formulation of amorphous carbon embedded CuFeS2 hybrids for the electrochemical detection of Quercetin. S. Bose, S. Radhakrishnan, B-S. Kim, H-W. Kang, Materials Today Chemistry 26 (2022) 101228. [Impact Factor: 7.3] (Equal contribution)

A portable highly uniform and reproducible microflower CuS/rGO hybrid sensors: An effective electrochemical and DFT evaluation method of nitrite water, S. Radhakrishnan, S.C. Selvaraj, J-H. Noh, T.H. Ko, B-S. Kim, Journal of Environmental Chemical Engineering 11 (2023) 110057. [Impact Factor: 7.7]

Environmental-assisted simple synthesis and electrocatalytic performance of Ni-MOF nanorods. S. Radhakrishnan, S.C. Selvaraj, T.H. Ko, J. Mathiyarasu, B-S. Kim, Electrochimica Acta 462 (2023) 142798. [Impact Factor: 5.5]

Green synthesis of Ag and Au NPs decorated rGO nanocomposite for high impedimetric electrochemical sensor as well as enhanced antimicrobial performance against foodborne pathogens, C. Krishnaraj, S. Radhakrishnan, M.M. Asmare, S. Wahab, B-S. Kim, S-I. Yun, Arabian Journal of Chemistry 17 (2024) 105379. [Impact Factor: 5.3] (Equal contribution)

A flexible, binder-free electrodes using nickel-cobalt sulfur modified carbon nanofibers for asymmetric supercapacitor applications, S. Radhakrishnan, D-Y. Kim, S. Yu, J-W. Kim, K-Y. Lee, I.Y. Jeong, B-S. Kim, Electrochimica Acta 498 (2024) 144683. [Impact Factor: 5.5]

Research Projects / Patents

Development of cost-effective electrochemical sensors for food additives and adulterants detection

Inspire Faculty Project

Development of cost-effective paper-based printed microfluidic analytical device for the determination of food adulterants and toxins

SERB Research Scientist (SRS)

Laser-driven fabrication of binder-free porous carbon electrodes for the development of non-enzymatic bilirubin electrochemical sensor

Creative and Challenge Research Foundation Project Support

Awards and Honors / Achievements

Project

Creative and Challenge Research Foundation Project Award

Project

SERB Research Scientist (SRS) Award

Project

Innovation in Science Pursuit for Inspired Research (INSPIRE) Faculty Award

Project

Indo-Korea Research Internship (IKRI) Award

Books

Biosensors for Emerging and Re-Emerging Infectious Diseases

J. Das, S. Dave, S. Radhakrishnan, P. Mohanty

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