We are pleased to announce the third edition of the International Conference on Science and Technology of Advanced Materials (STAM 25)

Dr. DEEPA S

Assistant Professor and Research Guide
M.Sc, M. Phil , NET, SET , B. Ed, Ph.D

Profile

Dr. Deepa S completed her MSc from the School of Pure and Applied Physics, Mahatma Gandhi University, Kottayam with First Rank and M Phil with an A+ Grade. She took her doctoral degree from Mahatma Gandhi University in the year 2018 under the guidance of Dr. Boben Thomas on her thesis entitled ‘Oxygen Vacancy Formation in Nanoparticulate SnO2 Thin Films by Zn, Rare- Earth and co-Dopants for enhanced CO2 and LPG Sensing’. Dr. Deepa has undertaken several administrative roles within the college as Head of the Department of Physics, Additional Chief Superintendent of Autonomy Examinations, Co-Ordinator of Science Forum, and Placement Cell. She has served as a member of the Academic Committee, Admission Committee, Academic Council, and Chairman of the Board of Studies at Mar Athanasius College Kothamangalam. Her area of interest includes nanomaterials and nanostructured thin film with special emphasis on gas sensing applications. She has 22 international publications to her credit and currently, 3 students are pursuing PhD unde

Research

Area of interest of Dr. Deepa S includes nanomaterials and nanostructured thin film with special emphasis on gas sensing applications. 22 international publications to the credit and currently, 3 students are pursuing PhD under her guidance.

Projects

2019

  • RUSA Minor Project: 009/2019/MRP/RUSA dated 01/04/2019. Sancioned Rs. 4,90000/-

2016

  • Scientist Mentor of the KCSTE – Back to Lab Programme –Project titled “Microstructurll Investigations in gas sensing of Doped Tin Oxide Thin Films” by Smt. Prasannakumari K. through order No. 1150/2015/KSCSTE dated 04-03-2016 for three years; Amount 1,28,0257/-

2012

  • UGC minor Project via letter No.F.MRP(S)-1233/11-12/KLMG038/UGC SWRO dated 13-07-2012 Rs. 51000/-

Publications

2023

  • Deepa S, Krishnan, Prasannakumari, Anisha Joseph, and Boben Thomas. "Deposition Temperature as a Crucial Process Parameter in Tuning the CO2 Sensing Properties of Spary-Pyrolyzed SnO2 Thin Film." ECS Journal of Solid State Science and Technology (2023)

  • Deepa, S., Prasannakumari, K., Thomas, B., & Sunny, E. (2023). Boosting of CO2 sensitivity in Zn-doped SnO2 thin film: Analysis based on structural, optical and dielectric characterization. Materials Today: Proceedings

  • Deepa, S., Prasannakumari, K., & Thomas, B. (2023, August). The role of deposition temperature in tuning the gas sensing properties of spray pyrolysed SnO2 thin film. In AIP Conference Proceedings (Vol. 2783, No. 1). AIP Publishing

  • Thomas, B., PrasannaKumari, K., & Deepa, S. (2023). Excimer laser processing of nanostructured SnO2 thin films and its impact on LPG sensing. Materials Chemistry and Physics, 304, 127905

2022

  • Deepa, S., Krishnan, P. K., & Thomas, B. (2022). Spray Pyrolyzed Praseodymium Doped SnO2 Thin Film with Fast Response to LPG: Analysis Based on Microstructural Features. In Key Engineering Materials (Vol. 934, pp. 23-36). Trans Tech Publications Ltd

2021

  • Anisha Joseph, Deepa S & Jassi J , An investigation of the structural and optical properties of Nb-doped SnO2 thin film Materials Today: Proceedings (2023)

  • Deepa, S., Philip, A. M., George, A. S., & Prasannakumari, K. (2021). Microstructural, optical and dielectric variations in SnO2 nanoparticles synthesized via surfactant-assisted sol–gel route. Bulletin of Materials Science, 44(4), 1-7

  • S. Deepa, V. P. Gopika and Andrew Simon George ; Micro structural, photoluminescence and dielectric properties of nano crystalline ZnO powder synthesized via surfactant assisted sol-gel technique; AIP Conference Proceedings 2352, 040038 (2021); https://doi.org/10.1063/5.0053060

2020

  • Thomas, B., PrasannaKumari, K., & Deepa, S. (2020). Microwave-enhanced pyrolysis grown nanostructured SnO2 thin films for near room temperature LPG detection and the impedance analysis. Sensors and Actuators A: Physical, 301, 111755.

  • Deepa, S., & George, A. S. (2020). Effect of microwave irradiation on the gas sensing properties of SnO2 thin films. (Accepted) Materials Today: Proceedings

  • George, A. S., & Deepa, S. (2020). Influence of defect related oxygen vacancies in tuning the CO2 sensing properties of microwave treated SnO2 thin films. Materials Today: Proceedings

  • Deepa, S., Jamal, H., Kumari, K. P., & Thomas, B. (2020, September). Improved gas sensing in spray deposited tin oxide thin films by copper doping. In AIP Conference Proceedings (Vol. 2263, No. 1, p. 040002). AIP Publishing LLC

  • Bose, K., Kesavan, R., & Deepa, S. (2020, September). Effect of dysprosium doping on the structural and gas sensing properties of SnO2 thin films. In AIP Conference Proceedings (Vol. 2263, No. 1, p. 040001). AIP Publishing LLC

  • Lenin, A., & Deepa, S. (2020, September). Impact of surfactant on the microstructure and preferred orientation of SnO2 nanoparticles synthesized via sol-gel route. In AIP Conference Proceedings (Vol. 2263, No. 1, p. 060009). AIP Publishing LLC.

2019

  • Deepa, S., Thomas, B., & PrasannaKumari, K. (2019). Influence of surface oxygen vacancies on the LPG sensing response and the gas selectivity of Nd-doped SnO 2 nanoparticulate thin films. Journal of Materials Science: Materials in Electronics, 30(17), 16579-16595

  • Thomas, B., Deepa, S., & Kumari, K. P. (2019). Influence of surface defects and preferential orientation in nanostructured Ce-doped SnO 2 thin films by nebulizer spray deposition for lowering the LPG sensing temperature to 150° C. Ionics, 25(2), 809-826.

  • Deepa, S., Kumari, K. P., & Saidh, A. (2019, October). Investigation of structural and optical properties of Ytterbium modified tin oxide thin films for gas sensing application. In AIP Conference Proceedings (Vol. 2162, No. 1, p. 020084). AIP Publishing

2018

  • Kumari, K. P., Thomas, B., Deepa, S., & Benoy, S. (2018). Impact of surfactants on electrical conduction and preferred orientation of spray-pyrolysed nanostructured SnO 2 thin films for LPG and ammonia sensing. Journal of Materials Science: Materials in Electronics, 29(15), 13087-13102

2017

  • Deepa, S., Kumari, K. P., & Thomas, B. (2017). Contribution of oxygen-vacancy defect-types in enhanced CO2 sensing of nanoparticulate Zn-doped SnO2 films. Ceramics International, 43(18), 17128-17141

  • Deepa, S., PrasannaKumari, K., & Thomas, B. (2017). Influence of lattice strain and dislocations on the LPG sensing performance of praseodymium doped SnO 2 nanostructured thin films. IJRASET, 5, 1054-1059

2014

  • Deepa, S., Joseph, A., Skariah, B., & Thomas, B. (2014, January). Gas sensing properties of magnesium doped SnO2 thin films in relation to AC conduction. In AIP Conference Proceedings (Vol. 1576, No. 1, pp. 49-51). American Institute of Physics

International Research Publications

  • S. Deepa, V. P. Gopika and Andrew Simon George ; Micro structural, photoluminescence and dielectric properties of nano crystalline ZnO powder synthesized via surfactant assisted sol-gel technique; AIP Conference Proceedings 2352, 040038 (2021); https://doi.org/10.1063/5.0053060
  • Thomas, B., PrasannaKumari, K., & Deepa, S. (2020). Microwave-enhanced pyrolysis grown nanostructured SnO2 thin films for near room temperature LPG detection and the impedance analysis. Sensors and Actuators A: Physical, 301, 111755.
  • Deepa, S., & George, A. S. (2020). Effect of microwave irradiation on the gas sensing properties of SnO2 thin films. (Accepted) Materials Today: Proceedings.
  • George, A. S., & Deepa, S. (2020). Influence of defect related oxygen vacancies in tuning the CO2 sensing properties of microwave treated SnO2 thin films. Materials Today: Proceedings.
  • Deepa, S., Jamal, H., Kumari, K. P., & Thomas, B. (2020, September). Improved gas sensing in spray deposited tin oxide thin films by copper doping. In AIP Conference Proceedings (Vol. 2263, No. 1, p. 040002). AIP Publishing LLC.
  • Bose, K., Kesavan, R., & Deepa, S. (2020, September). Effect of dysprosium doping on the structural and gas sensing properties of SnO2 thin films. In AIP Conference Proceedings (Vol. 2263, No. 1, p. 040001). AIP Publishing LLC.
  • Lenin, A., & Deepa, S. (2020, September). Impact of surfactant on the microstructure and preferred orientation of SnO2 nanoparticles synthesized via sol-gel route. In AIP Conference Proceedings (Vol. 2263, No. 1, p. 060009). AIP Publishing LLC.
  • Deepa, S., Thomas, B., & PrasannaKumari, K. (2019). Influence of surface oxygen vacancies on the LPG sensing response and the gas selectivity of Nd-doped SnO 2 nanoparticulate thin films. Journal of Materials Science: Materials in Electronics, 30(17), 16579-16595
  • Thomas, B., Deepa, S., & Kumari, K. P. (2019). Influence of surface defects and preferential orientation in nanostructured Ce-doped SnO 2 thin films by nebulizer spray deposition for lowering the LPG sensing temperature to 150° C. Ionics, 25(2), 809-826.
  • Deepa, S., Kumari, K. P., & Saidh, A. (2019, October). Investigation of structural and optical properties of Ytterbium modified tin oxide thin films for gas sensing application. In AIP Conference Proceedings (Vol. 2162, No. 1, p. 020084). AIP Publishing
  • Kumari, K. P., Thomas, B., Deepa, S., & Benoy, S. (2018). Impact of surfactants on electrical conduction and preferred orientation of spray-pyrolysed nanostructured SnO 2 thin films for LPG and ammonia sensing. Journal of Materials Science: Materials in Electronics, 29(15), 13087-13102.
  • Deepa, S., Kumari, K. P., & Thomas, B. (2017). Contribution of oxygen-vacancy defect-types in enhanced CO2 sensing of nanoparticulate Zn-doped SnO2 films. Ceramics International, 43(18), 17128-17141
  • Deepa, S., PrasannaKumari, K., & Thomas, B. (2017). Influence of lattice strain and dislocations on the LPG sensing performance of praseodymium doped SnO 2 nanostructured thin films. IJRASET, 5, 1054-1059
  • Deepa, S., Joseph, A., Skariah, B., & Thomas, B. (2014, January). Gas sensing properties of magnesium doped SnO2 thin films in relation to AC conduction. In AIP Conference Proceedings (Vol. 1576, No. 1, pp. 49-51). American Institute of Physics

 

Distinctions

  • 1st Rank in M. Sc Physics , 1997, A+ Grade in M Phil Physics

Projects

  • One ongoing  minor project under RUSA scheme, “Investigations on the efficacy of oxygen vacancy types and lattice strain in enhancing gas sensor response of doped SnO2 thin films” via College Order No. 009/2019/MRP/RUSA
  • Completed one UGC minor project , “Microstructural  Studies  in  Spray Deposited Mg Doped SnO2 Thin Films for Methane Sensing Applications“ (MRP(S)-1233/11-12/KLMG038/UGC-SWRO dated 13-07-2012)
  • Scintist Mentor in the project  “Microstructral Investigations in Gas Sensing of Doped Tin Oxide Tthin Films”  awarded to K Prasanna Kumari  under “Back to Lab Programme” Kerala State Council for Science, Technology and Environment via order No. 043/WSD-BLS/2014/CST Guided 19 MSc projects and several BSc Projects

Membership in professional bodies

  • Membership in Academy of Physics Teachers

Areas Of Interest

  • Gas Sensors

Paper Presentation in Conferences

  • Influence of grain size on CO2 Sensing performance of Zn doped Tin oxide thin films: Analysis based on impedance measurement K. PrasannaKumari, S. Deepa and Boben Thomas, presented at 4th International Conference Frontiers in Nano Science and Technology (COCHIN NANO- 2016) on 20 -23 of February 2016.
  • Impedance analysis of grain contribution in Nd modified SnO2 thin film for LPG sensing, S. Deepa, K. PrasannaKumari and Boben Thomas, presented at International Conference on Materials for the Millennium (MATCON - 2016) on 14 -16 January 2016.
  • Enhanced LPG sensing performance of Praseodymium doped SnO2 thin film prepared by spray pyrolysis: Analysis based on impedance measurement, K. PrasannaKumari, S. Deepa and Boben Thomas, presented at 103rd Indian Science Congress, University of Mysore held during 3rd – 7th January 2016
  • Dielecrtic Characterisation of Zn doped SnO2 thin film in view of CO2 Sensing. S. Deepa, K. Prasannakumari and Boben Thomas*, presented in the National Seminar on “Nanoscale Science and Technology” held during 10-11 December 2015
  • “Microstructural and Dielectric characterisation of Tin Oxide Nanoparticles” S. Deepa, K. Prasanna kumari and Boben Thomas*, presented in the UGC sponsored national conference on Advanced Functional Materials organised by the Department of Chemistry, Mar Athanasius College, Kothamangalam 0n 15-16 September 2015
  • Property control of nano structured SnO2 thin films in view of LPG Sensing, K. Prasannakumari, S. Deepa and Boben Thomas, presented in 7th International Conference on the frontiers of Plasma Physics and Technology (FPPT) on 13-17 April 2015 at Kochi, India
  • Influence of Grain Size on the CO2 Sensing Behavior of Zn Doped SnO2 Thin Films, S. Deepa, K. Prasannakumari and Boben Thomas, 29th National Symposium on Plasma Science and Technology & International Conference on Plasma and Nanotechnology PLASMA-2014 (8-11 December-2014), MG University, Kottayam, Kerala.
  • Gas Sensing Properties of Magnesium Doped SnO2 Thin Films in relation to AC conduction, Deepa S., Anisha Joseph, BenoySkariah, and Boben Thomas, presented in the 2nd International Conference on Optoelectronic Materials and Thin films for Advanced Technology-OMTAT 2013, held from 3-5 January 2013 at CUSAT, Kochi.
  • Presented a paper entitled “Microstructural, Optical and Dielectric Variations in SnO2 Nanoparticles Synthesized via Surfactant Assisted Sol-Gel Route” in the International Conference on Nanoscience and Nanotechnology (ICONN 2021) organized by the Department of Physics and Nanotechnology, SRM IST, India during February 01 – 03, 2021
  •  “Improved Gas Sensing in Spray Deposited Tin Oxide Thin Films by Copper Doping” presented in the International Conference of Science and Technology of Advanced Materials, STAM20 held at Mar Athanasius College, Kothamngalam during 14-17 Jan 2020.
  • Impact of Surfactant on the Microstructure and Preferred Orientation of SnO2 Nanoparticles Synthesized via Sol-gel Route” presented in the International Conference of Science and Technology of Advanced Materials, STAM20 held at Mar Athanasius College, Kothamngalam during 14-17 Jan 2020
  • Effect of Dysprosium doping on the structural and Gas Sensing Properties of SnO2 Thin Films. Presented in the International Conference of Science and Technology of Advanced Materials, STAM 20 held at Mar Athanasius College, Kothamngalam during 14-17 Jan 2020
  • Influence of Defect Related Oxygen Vacancies in Tuning the CO2 sensing Properties of Microwave treated SnO2 Thin Films. Presented in the International Conference of Science and Technology of Advanced Materials, STAM 20 held at Mar Athanasius College, Kothamngalam during 14-17 Jan 2020
  • Effect of Microwave Irradiation on the Gas Sensing Properties of SnO2 Thin Films Deepa S., Andrew Simon George, presented in the international conference SCICON 19 held at Amrita Viswa Vidyapeetham, Coimbatore during 15-17 December 2019.

Achievements

  • Awarded Ph. D from MG University on 09-08-2018 for “Oxygen vacancy formation in nanoparticulate snO2 thin films by Zn, Rare- earth and co- dopant for enhanced CO2 and LPG sensing”
  • UGC Minor Project : MRP(S)-1233/11- Rs. 51000/- 12/KLMG038/UGC-SWRO
  • RUSA Minor Project: 009/2019/MRP/RUSA dated 01/04/2019. Sancioned Rs. 4,90000/-
  • Scientist Mentor of the KCSTE – Back to Lab Programme –Project titled “Microstructurll Investigations in gas sensing of Doped Tin Oxide Thin Films” by Smt.Prasannakumari K.through order No. 1150/2015/KSCSTE dated 04-03-2016 for three years; Amount 1,28,0257/- 

Awards and Recognition

  • First Rank in MSc Physics from School of Pure and Applied Physics, MG University in 1997
  • A+ Grade in M Phil Physics from School of Pure and Applied Physics, MG University in 2002
  • Winner of State Merit Scholarship

Institutional Responsibilities

  • Co-Ordinator of Science Forum for 2020-21 and 2021-22. Member of Science Forum for 7 years.
  • HoD Physics from 01-06-2019 to 31-05 2023
  • Additional Chief Superintendent of End Semester Examinations from 2018 to 2022.
  • Member of Academic Committee, Grievance Redressal Cell, Admission Committee, Science Forum-Co-ordinator, DST-FIST Committee 

Useful Links

Contact 000
Email sdeepa@macollege.in