Professor Area: Chemistry, Nanotechnology Affiliation: Department of Chemistry, Faculty of Engineering and Technology, Kattankulathur Campus, SRM Institute of Science and Technology. Email: helena@srmist.edu.in
Education
PhD
Chemistry
Bangalore University, 1999
Other Details
Courses
Carbon Nanotechnology
Microscopy to Nanoscopy
Nanotechnology in Agri and food processing
Chemistry
Research Interests
Supercapacitors
Lithium ion batteries
Lithium air batteries
Sensing
Nanomagnetism
Nanoalloys
Selected Publications
Robust Perpendicular Magnetic Anisotropy in MgO/Co2FeAl/MgO Stacks Induced by MgO over Layer and Annealing Temperature, Saravanan Lakshmanan, Manivel Raja Muthuvel, Prabhu Delhibabu,and Helen Annal Therese, Phys. Status Solidi A 2018, 1800316
Impact of MgO thickness on the perpendicular magnetic anisotropy of Mo/Co2FeAl/MgO/Mo multilayers with improved annealing stability, L.Saravanan, M.Manivel Raja, D.Prabhu, V.Pandiyarasan H.Ikeda H.A.Therese Mater. Res. Bull., Volume 107, November 2018, Pages 118-124
An investigation on the synergistic effect of Cu2O-Ag nanoparticle on its bactericidal and anticancerous properties, Ashish Karle, Deepa E, Ibani Kapur and Helen Annal Therese, Mater. Res. Express 7 (2020) 015410
Multiple magnetic phase transition and short-range ferromagnetic behavior influence on magnetocaloric effect of Sm2NiMnO6 nanoparticles, I. Phebe Kokila, P. Sathish Kumar, M. Kanagaraj, Anil Kumar Paidi, Liang He, S. Madeswaran, Helen Annal Therese Journal of Nanoparticle Research, 2020, 22(8), 233.
Solution Combustion Synthesis of Rare Earth Orthoferrite Nanoparticles: a Comparative Study on Multiferroic Properties of Er–FeO3 vs (La,Yb)FeO3, P. Sathish Kumar, I. Phebe Kokila, M. Kanagaraj, Anil Kumar Paidi, Liang He, Helen Annal Therese, S. Madeswaran, Journal of Superconductivity and Novel Magnetism, 2020, 33(11), 3621-3629
“Nitrogen doped carbon nanofibers loaded with hierarchical vanadium tetrasulfide for the voltammetric detection of the non-steroidal anti-prostate cancer drug nilutamide” Kumuthini Rajendran, Thangavelu Kokulnathan, Shen-Ming Chen, Joseph Anthuvan Allen, Chinnuswamy Viswanathan, Helen Annal Therese, Microchimica Acta (2019) Published online
“Hierarchical Nickel Nanowire synthesis using Polysorbate 80 as capping agent” Deepa E and Helen Annal Therese, Appl. Sur. Sciences. 2018, 449, 48-54.
“Perpendicular magnetic anisotropy in Mo/Co2FeAl0.5Si0.5/MgO/Mo multilayers with optimal Mo buffer layer thickness” L. Saravanan, M. Manivel Raja, D. Prabhu V. Pandiyarasan, H. Ikeda, and H.A. Therese, J. Mag. Mag. Mater, 2018, 454, 267-273.
Structural, magnetic and magnetocaloric properties of EuMnO3 perovskite manganite: A comprehensive MCE study” Kokila, I.P., Kanagaraj, M., Kumar, P.S., Peter S.C., Sekar, C., Therese, H.A. Materials Research Express, 2018, 5(2), 026107
“Electrospun CuO/NiO composite nanofibers for sensitive and selective non-enzymatic nitrite sensors” Jayachandran Saravanan, Ramachandran Ramasamy Helen Annal Therese, G. Amala and G. Gnana Kumar, New J. Chem., 2017, 41, 14766-14771.
“Morphology and phase tunning of α- and β-MnO2 nanocacti evolved at varying modes of acid count for their well-coordinated energy storage and visible-light-driven photocatalytic behavior”, Niraj Kumar, Arijit Sen, Kumuthini Rajendran, R, Rameshbabu, Jeevani Ragupathi, Helen Annal Therese and T. Maiyalagan, RSC Adv., 2017, 7, 25041 – 25053.
“Electrochemical Properties of electrospun MoS2@C nanofiber as electrode material for high-performance supercapacitor application”, R.Kumuthini, R.Ramachandran, H.A. Therese and Fei Wang, J. Alloys and Comp., 2017, 705, 624-630.
“Design and development of Co3O4/NiO composite nanofibers for the application of highly sensitive and selective non-enzymatic glucose sensors”, Ramachandran Ramasamy, K. Ramachandran, Geo George Philip, Rasu Ramachandran, Helen Annal Therese and G. Gnanakumar, RSC Adv., 2015, 5, 76538 – 76547.
“Room temperature magnetoelectric coupling in Zn1-x CoxO/BaTiO3 bilayer system” Anuraj Sundararaj, Helen Annal Therese, Shivaraman Ramaswamy, Gopalakrishnan Chandrasekaran, and Karthigeyan Annamalai Appl. Phys. Lett. 2014, 105, 132902.
“Metal-organic chemical vapor deposition synthesis of hollow inorganic fullerene- type MoS2 and MoSe2 nanoparticles” Etzkorn, J., Therese, H. A., Rocker, F., Zink, N., Kolb, U., Tremel, W. Adv. Mater. 2005, 17(19), 2372-2375.
VS2 Nanotubes Containing Templating Organic Amines from NT-VOx Precursors and Reversible Cu Intercalation in NT-VS2” Therese, H. A., Rocker, F., Reiber, A., Li, J., Stepputat, M., Glasser, G., Kolb, U., Tremel, W. Angew. Chem. Int. Ed. Engl. 2005, 44(2), 262-265.
"Electrochemical Synthesis of metal oxides and hydroxides", G.H.A.Therese and P.Vishnu Kamath, Chem. Mater. 12, 2000, 1195
Patents
Deepa, E, Helen Annal Therese- A process for preparing bimetallic nanoalloy- application no - 201741028521 filed on 10-8-17 published on 15th Feb 2019
Annal-Therese, Helen; Tremel,Wolfgang; Zink, Nicole Christin. Preparation of fullerene-like molybdenum disulfide nanostructures and their use. PCT Int. Appl. (2007), 36pp. CODEN: PIXXD2 WO 2007107283 A1 20070927 CAN 147:346491 AN 2007:1088251
Annal-Therese, Helen; Tremel, Wolfgang. Method for producing nanostructures made of metal disulfides and their use. PCT Int. Appl. (2010), 22pp; Chemical Indexing Equivalent to 152:458367 (DE).
Tremel, Wolfgang; Annal-Therese, Helen. Method of producing inorganic fullerene-type nanostructures of metal disulfides, nanostructures produced thereby and use thereof. PCT Int. Appl. (2009), 17pp; Chemical Indexing Equivalent to 152:88999 (DE).
Projects
PI of SERB funded project entitled “Transition metal dichalcogenide (MX2; M= Mo, W, V & X= S, Se) and carbon nanocomposites as an effective electrode material for lithium – Ion batteries”
Academic Experiences
Associate Professor, Department of Chemistry, SRM Institute of Science and Technology, 2018 - to date.
Associate Professor, Nanotechnology Research Centre, SRM Institute of Science and Technology, 2011-Dec 2018.
Postdoctoral fellow, from March 2000 to February 2008, Institut für Anorganische Chemie und Analytische Chemie, Johannes Gutenberg-Universität, Mainz, Germany
Research Associate, from January 1999 to February 2000, Solid State and Structural Chemistry Unit, Indian Institute of Science, Bangalore, India.
