Dr. Sr. Simi N. J.

Scopus ID:  57204723493
ORCID:  0000-0002-0546-546X
Web of Science: AGN-3073-2022
Google Scholar:https://scholar.google.com/citations?user=4RQ6o3EAAAAJ

• Ph.D. in Physics (2019)
  Mahatma Gandhi University, India
  Thesis: Core–Shell Quantum Dots
  Supervisor: Prof. Ison V. V.
• M.Sc. in Chemistry (2012)
  Loyola College, Chennai, India
• Bachelor of Education (2009)
  Mahatma Gandhi University, India
• B.Sc. in Physics (2007)
  Mahatma Gandhi University, India

• Undergraduate and postgraduate teaching in Physics (8+ years)
• Courses Taught: Nuclear Physics, Optics, Mathematical Methods, Digital Electronics

• Subject: Physics
• Research Centre: Department of Physics, Newman College Thodupuzha
• University: Mahatma Ganghi University, Kottayam

1. Simi, N.J., et al. (2026). Hydrothermal synthesis of carbon dots: Unveiling temperature effects on optical, structural, and agricultural performance. Results in Surfaces and Interfaces, 100749.
2. Joseph, N.B., et al., Simi, N.J. (2026). Combustion-synthesized ultrafine SrTiO₃ nanocrystals with low-temperature sintering and multifunctional properties for LTCC applications. Physics Open, 26, 100380.
3. Joseph, B., et al., Simi, N.J. (2025). Eco-friendly nitrogen-doped carbon dots from Sauropus androgynus leaf extract: a sustainable tool for mung bean germination, bioimaging and tissue culture enhancement. Nanoscale, 17, 27572–27584.
4. Simi, N.J. & Bitty, J. (2025). Time-dependent hydrothermal synthesis of carbon dots for agricultural applications. Results in Surfaces and Interfaces, 100666.
5. Annmary, C., et al., Simi, N.J. (2025). Amino acid assisted synthesis of carbon dots for tissue culture enhancement. RSC Advances, 15, 2759–2765.
6. Bernadsha, S.B., et al., Simi, N.J. (2022). Rare-earth doped TiO₂photoanodes for DSSCs. Journal of Materials Science: Materials in Electronics, 33, 6446–6455.
7. Simi, N.J., et al. (2021). Quantum dot sensitized solar cells using type-II CdSe–Cu₂Se QDs. Results in Optics, 4, 100088.
8. Simi, N.J., et al. (2020). Photoinduced charge transfer in ZnTe–ZnSe core–shell QDs. Journal of Nanoparticle Research, 22, 135.
9. Simi, N.J., et al. (2019). Photoinduced electron transfer in CdSe–Cu₂Se core–shell QDs. RSC Advances, 9, 15092–15098.

• Simi, N.J. & Bernadsha, S.B. (2025). Green chemistry approaches for sustainable synthesis of polymeric nanomaterials. In Nanomaterial Green Synthesis. Springer Nature, Switzerland.

• Quantum dots and carbon dots (core–shell, doped, green synthesis)
• Structure–property relationships in nanomaterials
• Photophysical and charge transfer processes
• Nanomaterials for photovoltaics, agriculture and bioimaging
• Sustainable and green nano chemistry

Nanomaterials & Functional Materials

• Core–shell quantum dots, carbon dots
• Inorganic–organic nanocomposites

Synthesis & Fabrication Techniques

• High-temperature hot injection
• Hydrothermal and microwave-assisted synthesis
• Thin-film fabrication

Characterization Techniques

• SEM, TEM, XRD, XPS, Zeta potential

Spectroscopy & Instrumentation

• UV–Visible, PL, FTIR

Data Analysis & Software

• OriginLab, PANalytical XRD software

• Best Poster Award, International Conference on Materials for Energy and Environment (2018)
• Best Oral Presentation Award, International Conference on Advances in Materials Science (2018)

• Convener, International Conference on Advances in Interdisciplinary Sciences and Technology (AIST 2025)
• Coordinator, One-week National Workshop on Operation & Maintenance of Analytical Instruments (WRIC Mumbai collaboration, 2025)
• Organizer, National Webinar on Recent Developments in Applied Physics (2021)
• Member, IQAC, Newman College Thodupuzha

• Reviewer: RSC Advances
• Reviewer: New Journal of Chemistry
• Reviewer: Materials Today: Proceedings