Punit Sharma

Punit Sharma

Postdoctoral Fellow • Flexible Optoelectronics & Perovskites

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Fulbright-Nehru Doctoral Fellowship (2022–23)
MHRD Scholarship (2018)
GATE 2015 AIR 397

About

I work at the intersection of perovskite/organic semiconductors and flexible, textile-integrated electronics. My research focuses on defect engineering, trap dynamics, and charge transport to improve stability and performance in photovoltaics and physiological-monitoring wearables.

Research Focus & Tooling

Laboratory Methods

  • Thin-film deposition (spray/spin)
  • Nanomaterial synthesis
  • Hybrid inorganic/organic heterojunctions
  • Air-processed perovskite/organic solar cells

Characterization

  • XRD, AFM, SEM/TEM • Raman/FTIR
  • J–V, TPC/TPV • C–V/C–f • 4-point probe
  • Impedance spectroscopy
  • Steady-state & Time-resolved PL • UV–Vis spectroscopy

Software

Origin
TRIM
LaTeX
SCAPS-1D
Python

Publications (selected)

Improving the Performance of Air-processed MAPbI3 Perovskite Solar Cells through Defect Passivation with Cu(I) Halide Additives
ACS Applied Energy Materials 8(11): 6905–6913 (2025) • View
Phase-pure Iron Pyrite Nanocrystals as Air-stable HTMs for Low-cost Perovskite Solar Cells
Energy Technology (2024) • View
Refining Iron Pyrite Nanomaterials: Advancing Optical Applications with DMII Treatment and Co-Alloying
ACS Applied Nano Materials 7: 19153–19162 (2024) • View

Full list on Google Scholar.

Experience

Postdoctoral Fellow — University of Massachusetts Lowell
Lowell, MA, USA • Sep 2024 – Present
  • Organic/Perovskite photovoltaic-based textiles
  • Flexible organic electronics for physiological monitoring
Postdoctoral Fellow — Indian Institute of Technology Delhi
New Delhi, India • May 2024 – Aug 2024
  • Double/triple-cation perovskite photodetectors
Visiting Research Scholar — University of Massachusetts Lowell
Lowell, MA, USA • Aug 2022 – May 2023
  • Air-processed MAPbI3 perovskite solar cells
  • Defect state investigation via transient analysis

Education

Ph.D., Energy Science & Engineering — IIT Delhi (CGPA 8.5/10 • 2018–2024)
Thesis: Unravelling the Role of Defects in Hybrid Semiconductor Materials…
Supervisor: Dr. Supravat Karak
M.Tech., Energy Science & Engineering — IIT Delhi (CGPA 8.15/10 • 2015–2017)
M.Sc., Physics — University of Rajasthan (2010–2012)
B.Sc., Physics — University of Rajasthan (2007–2010)

Contact

Email: punit31sharma@gmail.com

Google Scholar: Profile

ORCID: 0000-0003-4922-8877

LinkedIn: Punit Sharma