Dr Helen Annal Therese

Associate Professor
Area: Chemistry, Nanotechnology
Affiliation: Department of Chemistry, Faculty of Engineering and Technology, Kattankulathur Campus, SRM Institute of Science and Technology.
Email: helen.a@ktr.srmuniv.ac.in

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

• “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.