Ph.D. Research Scholar | UGC-SRF
Ultrafast Spectroscopy & Organic Photovoltaics
CSIR-National Physical Laboratory, New Delhi
symgyl0@gmail.com | sanyam.npl22a@acsir.res.in
ORCID: 0009-0008-2945-802X
LinkedIn: linkedin.com/in/sanyamjainnpl
Research Interests
Advanced material synthesis for organic and perovskite solar cells | Exciton and charge dynamics in optoelectronic and photovoltaic materials | Ultrafast spectroscopy for charge transport and recombination studies | Sustainable energy materials and device optimization
About
Dedicated research scholar with expertise in synthesizing and characterizing materials for perovskite and organic solar cells. Specialization includes ultrafast spectroscopy, charge dynamics, and device fabrication with a strong publication record in optoelectronic materials. Proficient in synthesis techniques to optimize material properties for photovoltaic applications and adept at utilizing advanced characterization tools.
Key Research Areas
• Ultrafast Transient Absorption Spectroscopy
• Exciton Dynamics in Photovoltaic Materials
• Non-Fullerene Acceptor (NFA) Systems
• Charge Carrier Dynamics and Transport Analysis
• Defect Passivation in Perovskite Solar Cells
• Device Fabrication and Optimization
• DFT Calculations and Computational Chemistry
Key Expertise
• Spectroscopy Techniques: Ultrafast Transient Absorption, FT-IR, UV-Vis, XRD
• Device Fabrication and Characterization: SCLC, Thermal Deposition, Current-Voltage Analysis
• Data Analysis and Modeling: Origin, Z-Scan, Advanced Data Analysis
• Technical Skills: Charge Transport Analysis, Defect Passivation, Exciton Dynamics
• Software: MS Word, Excel, PowerPoint
Education
PhD in Chemistry (2022-Present) | CSIR-National Physical Laboratory, New Delhi, India
Supervisor: Dr. Rajiv Kumar Singh, Senior Principal Scientist, CSIR-NPL
MSc in Chemistry (2019-2021) | Chaudhary Ranbir Singh University, Jind, India
Grade: First Division
BSc in Non-Medical (2015-2018) | Kurukshetra University, Kurukshetra, India
Grade: First Division
Key Achievement
CSIR-JRF Chemistry: Secured All India Rank 75 in the CSIR-JRF exam
Consistent Academic Performance: First-division grades in all academic qualifications
Publications
Saxena, A., Huang, S. M., Saini, S., Prashant, C., Ou, C. Y., Wang, P. C., Jain, S., ... & Chou, M. (2025). Enhanced superconductivity and Spin-Orbit interaction in Bi2Se3-Doped FeSe1-xTex bulk single crystals. Results in Physics, 108553.
Ravi, Dhiman, D., Jain, S., Sankar, M., Singh, R. K., & Kar, P. Efficient Charge Transfer From CsPbBr3 Nanocrystals to Free Base Tricyanophenyl Corroles. Chemistry–An Asian Journal, e70434.
Jain, S., Sridevi, M., Majhi, T., Tripathi, N. P., Saini, S. K., Kumari, A., ... & Singh, R. K. (2025). Probing Side-Chain Engineering for Modulating Exciton Dynamics in Non-fullerene Acceptors. ACS Omega.
Yadav, S., Jain, S., Krishna, A., Vijayan, N., Sridhar, B., & Singh, R. (2025). Synthesis, Crystal Growth, and Comprehensive Characterization of Crystals Derived from Aminopyridines and p-Aminobenzoic Acid. Optical Materials, 117718.
Sarkar, D., Pramanik, J., Ghosal, S., Paul, S., Giri, P. K., Datta, A., Jain, S., ... & Ghosh, S. Synergistic Effect of Atomic‐Scale Interface Engineering and Built‐In Electric Field at S‐Scheme Bi2WO6/ZnIn2S4 Heterojunctions for Photocatalytic Hydrogen Evolution. Small, 2505315.
Majhi, T., Sridevi, M., Jain, S., & Singh, R. K. (2025). Double-Function Lewis-Base-Additive-Mediated Interfacial Configuration and Defect Mitigation in Perovskite Solar Cells. ACS Applied Energy Materials.
Yadav, S., Jain, S., Yadav, A., Krishna, A., Vijayan, N., Sridhar, B., ... & Gupta, G. (2025). Comprehensive analysis of p-nitro phenol p-amino benzoic acid monohydrate crystals: Structural, mechanical, linear and nonlinear optical properties. Journal of Physics and Chemistry of Solids, 203, 112726.
Jyoti, Vijayan, N., Kiran, Joshi, D., Chetan, Jain, S., ... & Sridhar, B. (2025). Exploring the thermal, mechanical, optical and nonlinear characteristics of triaqua-(4-nitrophenolato)-lithium: a potential semiorganic single crystal for nonlinear optical applications. Optical and Quantum Electronics, 57(6), 335.
Yadav, S., Jain, S., Yadav, A., Krishna, A., Vijayan, N., Gupta, G., & Sehgal, G. (2025). Influence of gamma-ray irradiation on the structural, optical, and non-linear optical properties of N-phenyl anthranilic acid single crystal. Radiation Physics and Chemistry, 229, 112514.
Majhi, T., Sridevi, M., Jain, S., Kumar, M., & Singh, R. K. (2024). Revealing Defect Passivation and Charge Extraction by Ultrafast Spectroscopy in Perovskite Solar Cells through a Multifunctional Lewis Base Additive Approach. Solar RRL, 8(21), 2400589.
Jain, S., Sridevi, M., Majhi, T., Tripathi, N. P., Sengupta, S., & Singh, R. K. (2024). Unraveling the Optoelectronic Exciton Dynamics of NDI (Naphthalene Diimide)-Based Nonfullerene Acceptor with Improved Band Alignment. ACS Applied Polymer Materials, 6(16), 9837-9847.
Tripathi, N. P., Jain, S., Singh, R. K., & Sengupta, S. (2024). Tripodal Triazine and 1, 8‐Naphthalimide‐based Small Molecules as Efficient Photocatalysts for Visible‐light Oxidative Condensation. Chemistry–A European Journal, 30(7), e202303244.
Chaudhary, A. K., Sharma, P., Rana, A., Jain, S., Saini, S. K., Kumar, K., ... & Kumar, M. (2024). Exploring charge transfer mechanisms and optical properties in vdW heterostructures of MoS2 and Bi2Se3 at nanoscale regime. Physica B: Condensed Matter, 674, 415569.
Majhi, T., Sridevi, M., Jain, S., Srivastava, A., Kumar, M., Srivastava, S. K., & Singh, R. K. (2023). Insight into controlled surface passivation of PEDOT: PSS for defect density modulation and efficient charge transport for perovskite solar cells. ACS Applied Energy Materials, 6(17), 8695-8706.
Professional Experience
Research Scholar - CSIR-National Physical Laboratory, New Delhi
• Conducted extensive studies on synthesizing and characterizing materials for perovskite and organic solar cells
• Optimized device fabrication techniques to enhance charge transport and reduce recombination in photovoltaic devices
• Collaborated on interdisciplinary projects advancing insights into charge dynamics and defect passivation for improved solar cell efficiency
• Mentored junior research team members on experimental techniques and data analysis
