Manosi Roy

Materials scientist with strong semiconductors and thin film focus, 8+ years leading end-to-end R&D

About

Materials scientist with strong semiconductors and thin film focus. 8+ years leading end-to-end R&D: hypothesis framing, experimental design, data analysis and decision-driven technical reporting. Organic-inorganic semiconductor materials and heterostructures. Clean energy materials (PV, catalysis, energy storage). X-ray-based characterization (XRD, XPS, etc.). Advanced microspectroscopy (AFM, SEM, PL, UV-Vis, etc.). Experience coordinating across disciplines (materials, mechanical, electrical) in lab, pilot and industry-facing projects. Clear, confident communicator and collaborator. Proven track record translating materials and characterization insights into design changes and process improvements. Six Sigma Green Belt; comfortable using DOE, root-cause analysis and metrics to improve operational efficiency.

Publications

Film formation of two-dimensional hybrid perovskite using resonant infrared matrix-assisted pulsed laser evaporation

AIP Advances

2026

2D Mn2C6Se12 and Mn2C6S6Se6: Intrinsic Room-Temperature Dirac Spin Gapless Semiconductors and Perfect Spin Transport Properties

Unknown Venue

Phenomenological mechanisms of hybrid organic–inorganic perovskite thin film deposition by RIR-MAPLE

Journal of Applied Physics

2020

Modulation of Structural, Electronic, and Optical Properties of Titanium Nitride Thin Films by Regulated In Situ Oxidation

ACS Applied Materials & Interfaces

2023

Effect of thickness on metal-to-semiconductor transition in 2-dimensional TiN thin films

AIP Advances

2021

Blue Shift in Ultraviolet Absorption Spectra of Oxygen Doped Titanium Nitride Thin Films

Unknown Venue

2021

Quantum interference effects in titanium nitride films at low temperatures

Thin Solid Films

2019

Education

North Carolina A&T State University

Ph.D. in Mechanical Engineering / 2022

North Carolina A&T State University

M.Sc. in Mechanical Engineering / 2018

Bangladesh University of Engineering & Technology (BUET)

B.Sc. in Materials & Metallurgical Engineering / 2015

Experience

Duke University

Postdoctoral Associate / March, 2023 — August, 2025

Investigated bottom-up crystallization of 2D perovskite for use as passivation layers on 3D thin films to enhance solar cell stability in collaboration with NREL and DOE (CHOISE program). Used RIR-MAPLE to control nucleation growth and thin film uniformity for next-gen optoelectronics. Performed XRD, PL, AFM, SEM and UVVis to map structure-property relationships and defect evolution. Designed bio-functional thin film coatings using RIR-MAPLE for biomedical surface modification. Initiated new research directions to leverage advanced thin film techniques and X-ray analysis.

IMPINJ Inc.

Intern Advanced Technology Engineering / May, 2021 — August, 2021

Evaluated emerging thin film and nanomaterial candidates for next-gen wearable RFID devices. Built and validated electromagnetic field (EM) simulations to optimize device layout and antenna performances. Fabricated bench-scale wearable RFID prototypes; performed validation experiments. Delivered performance assessments that guided materials selection for advanced RF architectures.

North Carolina A&T State University (NCAT)

Graduate Research Assistant / August, 2017 — December, 2022

Deposited and characterized ultra-thin TiN films for photocatalysis semiconductor and clean-energy applications. Investigated thickness-induced structural and magnetic behavior of spintronics and data-storage materials. Tuned TiN and O2-doped TiN bandgaps by correlating film thickness with optoelectronic properties. Performed XRD, XPS, AFM, UV-Vis, temp-dependent conductivity and magnetic characterizations. Led research coordination with Cornell (PREM-NSF) on thin-film processing and nanoscale characterization. Detailed dimensionality-assisted tuning of TiN and O2-doped TiN thin film bandgaps for photocatalytic processes. Mentored graduate and undergraduate researchers; contributed to curriculum development for additive manufacturing courses.

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