Educational Qualifications
- PhD from Cochin University of Science and Technology in 2010
International Publications
- p-CuI/n-ZnO heterojunction for enhanced dye degradation in water treatment.
Nisha Joseph, R. A. Ramachandran, Alphonsa Paul, Saji Augustine, Tina Sebastian.
Solid State Communications (2025), 116192. - Boosting DSSC performance with “sweet protocol” synthesized rGO incorporated TiO₂ photoanodes.
Alphonsa Paul, Jincemon Cyriac, Nisha Joseph, Saji Augustine, Tina Sebastian.
Journal of Solid State Electrochemistry (2025), 1–14. - TiO₂–Cu Np–TiO₂ multilayer thin films: photocatalytic and photovoltaic prospects.
Alphonsa Paul, Jincemon Cyriac, Nisha Joseph, Saji Augustine, Tina Sebastian.
Advances in Natural Sciences: Nanoscience and Nanotechnology, 16(3) (2025), 035017. - Investigation of AC conductivity in PEG-stabilized doped zirconia composites.
Saritha K. Jose, Tina Sebastian, Jincemon Cyriac, Unnikrishnan N. V., Biju P. R.
Journal of Physics: Conference Series 2995 (2025) 012014. - The impact of quantum-sized nickel nanoparticles on TiO₂ in photovoltaic and photocatalytic systems.
Alphonsa Paul, Nisha Joseph, Tina Sebastian, C. O. Sreekala, Bindu R. G., Saji Augustine.
Journal of Applied Physics 136 (2024) 173105. - Facile room temperature deposition of ZnS thin films on flexible plastic substrates via nebulized spray method.
Alphonsa Paul, Jilu C. John, Jaicy Jose, V. J. Ambily, Nisha Joseph, Saji Augustine, Syju Thomas, Tina Sebastian.
Journal of Scientific Research 16(2) (2024) 527–535. - Exploring the photocatalytic potential of copper iodide thin films deposited via multiple spray technique.
Nisha Joseph, Tina Sebastian, Jilu C. John, Alphonsa Paul, Jincemon Cyriac, Saji Augustine.
Applied Surface Science Advances 19 (2024) 100570. - In₂S₃–Gr and In₂S₃–CNT nanocomposite thin films as gas sensors.
Jilu C. John, Sunil C. Vattappalam, Tina Sebastian, Alphonsa Paul, Nisha Joseph, S. Shaji, Saji Augustine.
Diamond and Related Materials 128 (2022) 109215. - Optoelectronic characteristics of In₂S₃–CNT nanocomposite thin films for photodetector application.
Jilu C. John, Tina Sebastian, Jincemon Cyriac, Alphonsa Paul, Adon Jose, S. Shaji, Saji Augustine.
Journal of Electronic Materials (2021) 2800–2812. - Comparison of photocatalytic efficiency of TiO₂ and In₂S₃ thin films under UV and visible light irradiance.
Alphonsa Paul, Jilu C. John, Saji Augustine, Tina Sebastian, Ardhra Joy et al.
Advanced Materials Letters 11(12) (2020). - Synthesis and characterization of sprayed copper iodide thin films on flexible substrate.
Nisha Joseph, Tina Sebastian, Jilu C. John, Saji Augustine.
AIP Conference Proceedings 2263 (2020) 050008. - Investigations on the properties of indium sulphide–graphene nanocomposite thin films.
Jilu C. John, Tina Sebastian, Sunny Mathew, S. Shaji, Saji Augustine.
Thin Solid Films 695 (2020) 137758. - Non-destructive evaluation of compound semiconductor thin-film solar cells by photothermal beam deflection technique.
Anita R. Warrier, Tina Sebastian, C. Sudha Kartha, K. P. Vijayakumar.
International Journal of Thermophysics (2014). - Effect of defect bands in β-In₂S₃ thin films.
R. Jayakrishnan, Tina Sebastian, C. Sudha Kartha, K. P. Vijayakumar.
Journal of Applied Physics 111 (2012) 093714. - Transverse photothermal beam deflection technique for determining the transport properties of semiconductor thin films.
Anita R. Warrier, Tina Sebastian, C. Sudha Kartha, K. P. Vijayakumar.
Journal of Applied Physics 107 (2010) 073701. - Non-destructive evaluation of carrier transport properties in CuInS₂ and CuInSe₂ thin films using photothermal deflection technique.
Anita R. Warrier, K. G. Deepa, Tina Sebastian, C. Sudha Kartha, K. P. Vijayakumar.
Thin Solid Films 518 (2010) 1767–1773. - Role of substrate temperature in controlling properties of sprayed CuInS₂ absorbers.
Tina Sebastian, Manju Gopinath, C. Sudha Kartha, K. P. Vijayakumar.
Solar Energy 83 (2009) 1683–1688. - Characterization of spray pyrolysed CuInS₂ thin films.
Tina Sebastian, R. Jayakrishnan, C. Sudha Kartha, K. P. Vijayakumar.
The Open Surface Science Journal 1 (2009) 1–6. - Effects of incorporation of Na in spray pyrolysed CuInS₂ thin films.
Teny Theresa John, Tina Sebastian, C. Sudha Kartha, K. P. Vijayakumar, T. Abe, Y. Kashiwaba.
Physica B: Condensed Matter 388 (2007) 1–9. - Photoconductivity in sprayed β-In₂S₃ thin films under sub-band-gap excitation.
R. Jayakrishnan, Tina Sebastian, Teny Theresa John, C. Sudha Kartha, K. P. Vijayakumar.
Journal of Applied Physics 102 (2007) 043109. - Room temperature photoluminescence surface mapping.
R. Jayakrishnan, Tina Sebastian, C. Sudha Kartha, K. P. Vijayakumar.
Journal of Physics: Conference Series 28 (2006) 62–65. - Implantation assisted copper diffusion: a different approach for the preparation of CuInS₂/In₂S₃ p–n junction.
K. C. Wilson, Tina Sebastian, Teny Theresa John, C. Sudha Kartha, K. P. Vijayakumar.
Applied Physics Letters 89 (2006) 013510.
National Publications
- Synthesis, structural and optical characterization of TiO₂ thin films.
Alphonsa Paul, Tina Sebastian, Minikutty Joseph, Aparna Murukan, Jilu C. John, Saji Augustine.
Research Lines, Vol. XIII, No. 1–2 (2020). ISSN 0975-8941. - Synthesis and characterization of indium sulfide thin films.
Jilu C. John, Alphonsa Paul, Jincemon Cyriac, Nisha Joseph, Tina Sebastian, Saji Augustine.
ALFOMINE: International Journal, Part A (Sciences), Vol. 6, No. 9 (2020), pp. 28–33. ISSN 2250-3870. - Structural and optical properties of In₂S₃–Gr nanocomposite thin films.
Jilu C. John, Tina Sebastian, Jincemon Cyriac, Saji Augustine.
Research Lines, Vol. XII, No. 1–2 (2019). ISSN 0975-8941. - Photovoltaics: current trends and future prospects.
Tina Sebastian.
Research Lines, Vol. III, No. II-A (2010), p. 64. - Effect of H₂S treatments on the properties of spray pyrolysed CuInS₂.
Tina Sebastian, Shihabuddin Mohammed, C. Sudha Kartha, K. P. Vijayakumar.
The National Journal of Technology, Vol. 5 (2009), p. 31.
Conference Publications
- Optimizing carbon quantum dots: A study on temperature-dependent synthesis and properties.
Jannice George, Remya Rajagopal, Subin P. S., Alphonsa Paul, Nisha Joseph, Tina Sebastian.
National Conference on Recent Trends in Science and Technology (NCRTS-24), St. Thomas College, Palai, September 30 – October 1, 2024. - A study on the structural and optical properties of β-Ga₂O₃.
Jincemon Cyriac, M. J. Gayathri, M. J. Sadasivan, R. K. Veena, L. S. Archana, Alphonsa Paul, V. N. Sheeja.
National Conference on Recent Trends in Science and Technology (NCRTS-24), St. Thomas College, Palai, September 30 – October 1, 2024. - Investigating photovoltaic performance of dye-sensitized solar cells: Experimental analysis.
Jerin Raju, Ajay Biju, Alphonsa Paul, C. O. Sreekala, Tina Sebastian.
DST-SERB Sponsored National Seminar on Materials for Sustainable Development, Bishop Moore College, Mavelikara, March 13–15, 2024. - p-CuI/n-ZnO heterojunctions: Paving the way for enhanced photocatalytic dye degradation in water treatment.
Nisha Joseph, Tina Sebastian.
National Conference on Functional Materials and Applications (NCFMA-2024), Cochin University of Science and Technology, Kerala, January 18–19, 2024. - Synergistic photocatalysis using nickel nanoparticle-integrated TiO₂ thin films.
Alphonsa Paul, Tina Sebastian, Nisha Joseph, Jincemon Cyriac, Saji Augustine.
International Conference on Advanced Materials (ICAM-2024), Deva Matha College, Kuravilangad, Kerala, January 3–4, 2024. - Probing the applicability of CuI thin films in photocatalytic dye degradation.
Nisha Joseph, Tina Sebastian, Alphonsa Paul, Saji Augustine.
International Conference on Advanced Materials (ICAM-2024), Deva Matha College, Kuravilangad, Kerala, January 3–4, 2024. - Engineering graphene-CNT incorporated In₂S₃ thin films for enhanced optical and photocatalytic properties.
Jincemon Cyriac, Claris Alex, Aneetta Shaji, Alphonsa Paul, Saji Augustine, Tina Sebastian.
International Conference on Advanced Materials (ICAM-2024), Deva Matha College, Kuravilangad, Kerala, January 3–4, 2024. - Customising photocatalytic activity in zinc sulphide thin films through graphene and carbon nanotube additives.
Jincemon Cyriac, Rose N. Pradeesh, Dan Mathew Sabu, Joice K. Joseph, Alphonsa Paul, Sunny Mathew, Saji Augustine, Tina Sebastian.
International Conference on Advanced Materials (ICAM-2024), Deva Matha College, Kuravilangad, Kerala, January 3–4, 2024. - Enhancing photocatalytic efficiency through intercalation of quantum-sized copper nanoparticles on TiO₂ thin films.
Alphonsa Paul, Tina Sebastian, Nisha Joseph, Jincemon Cyriac, Saji Augustine.
Advanced Materials & Nanotechnology for Green and Sustainable Future (ICAGS-2023), Maharaja’s College, Ernakulam, December 5–6, 2023. - Optical and photocatalysis study of GR-CNT intercalated In₂S₃ thin films.
Jincemon Cyriac, Claris Alex, Aneetta Shaji, Alphonsa Paul, Sunny Mathew, V. N. Sheeja, Tina Sebastian.
International Conference on Emerging Trends in Sustainable Energy (ICETSE-2023), Mercy College, Palakkad, July 24–25, 2023. - A study on optical and photocatalytic properties of CNT–Gr ZnS thin films.
Rose N. Pradeesh, Joice K. Joseph, Dan Mathew Sabu, Jincemon Cyriac, Alphonsa Paul, Tina Sebastian, Saji Augustine.
International Hybrid Conference on Advances in Materials Science: Breaking Barriers and Building the Future, Mahatma Gandhi University, Kottayam, July 21, 2023. - Room-temperature deposition of ZnS thin films on flexible plastic substrates by nebulized spray method.
Alphonsa Paul, Jilu C. John, Jaicy Jose, Ambily V. J., Nisha Joseph, Saji Augustine, Syju Thomas, Tina Sebastian.
International Conference on Science and Technology of Advanced Materials (STAM-2023), Mar Athanasius College, Kothamangalam, April 18–20, 2023. - Photocatalytic studies of CuI thin films deposited on variable substrates at room temperature.
Nisha Joseph, Tina Sebastian, Jilu C. John, Alphonsa Paul, Saji Augustine.
National Conference on Emerging Trends in Material Science (NCETMS-2022), St. Dominic’s College, Kanjirapally, June 6–7, 2022. - Photocatalytic activity of TiO₂ thin films.
Alphonsa Paul, Jilu C. John, Nisha Joseph, Tina Sebastian.
Deva Matha Seminar Series, Research Promotion Council, Deva Matha College, Kuravilangad, December 2021. - Synthesis and characterization of sprayed copper iodide thin films on flexible substrates.
Nisha Joseph, Tina Sebastian, Jilu C. John, Saji Augustine.
International Conference on Science and Technology of Advanced Materials (STAM-2020), Mar Athanasius College, Kothamangalam, January 14–16, 2020. - Morphological and compositional study of copper iodide thin films.
Nisha Joseph, Tina Sebastian, Jilu C. John, Saji Augustine.
International Conference on Frontiers of Material Science (FOMS-2019), St. Joseph’s College, Kozhikode, December 16–18, 2019. - Influence of deposition methods on structural and optical properties of In₂S₃ thin films.
Jilu C. John, Tina Sebastian, Jincemon Cyriac, Nisha Joseph, S. Shaji, Saji Augustine.
National Seminar on Advanced Materials for Energy (NSAME-2019), St. Thomas College, Ranni, December 17–18, 2019. - Structural transformation and enhancement of properties in Dy³⁺-doped BiFeO₃ multiferroic systems.
Jincemon Cyriac, Jilu C. John, Nandakumar Kalarikkal, P. M. G. Nambissan, Tina Sebastian, Saji Augustine.
National Conference on Advances in Nanomaterials and Nanotechnology, Mar Thoma College, Thiruvalla, August 6–7, 2019. - Structural and optical properties of In₂S₃–CNT nanocomposite thin films.
Jilu C. John, Saji Augustine, Tina Sebastian, Jincemon Cyriac, Nisha Joseph.
National Conference on Advances in Nanomaterials and Nanotechnology, Mar Thoma College, Thiruvalla, August 6–7, 2019.
Book Chapter
- Ferrites: Physics and Applications.
In Physics and Mechanics of New Materials.
Apple Academic Press, 2024. - Carbon-Based Materials for High-Yield Optical Device Applications.
In Resilience and Sustainability for Energy and Water.
Apple Academic Press, 2024. - Environment sustainability: Climate change mitigation, renewable resources, and biodiversity preservation aided by IoT and AI.
In The Food-Energy-Water Triangle for Sustainable Development: Integrative and Synergic Solutions.
CRC Press, 2025. - A pervasive study on the fabrication techniques of nanotechnology.
In A Journey from Nanotechnology to Picotechnology: Atomic and Molecular Scale Applications.
Lecture Notes in Nanoscale Science and Technology, Vol. 47, Springer, Cham.
