Gopinath Paramasivam
Ottobrunn,BY
Summary
Results-driven process development engineer with over 8 years of experience specializing in thin-film deposition, device characterization, and technology scale-up for solar and optoelectronic devices in a global setting. Expertise in perovskite-based devices and interface engineering, demonstrating a track record of process innovation, collaborative R&D, and statistical analysis (DOE/SPC/JMP). Eager to leverage skills in a role that combines cutting-edge process development with tangible customer impact.
Overview
11
11
years of professional experience
Work History
Development Engineer
Avancis GmbH
05.2023 - Current
- Designed area-preserving patterning strategy that recovered dead modules and enhanced process yield by more than 50%; currently preparing patent submission.
- Utilized scalable patterning and contact coating processes using ALD, reducing material loss by 25% in pilot module fabrication.
- Evaluated new metal pastes and dielectric formulations, increasing module edge stability by 15% through inkjet printing.
- Improved perovskite solar module performance by 30% through systematic process optimization using SPC and DOE techniques.
- Coordinated lab-to-line transfer by overseeing pilot-line trials, enabling seamless transition from R&D to production.
Research Associate / HYSPRINT Research Labs
Helmholtz Zentrum Berlin
02.2019 - 05.2023
- Engineered high-performance semi-transparent perovskite solar mini-modules using spin coating, inkjet printing, and CVD deposition techniques, achieving 18% power conversion efficiency (PCE) with >20% transparency for tandem applications.
- Designed and optimized 4-terminal (4T) tandem architectures, reducing optical losses by 30% through advanced light management and interfacial engineering, resulting in a record 30% combined PCE.
- Used Design of Experiments (DOE) to refine device stacks and encapsulation protocols, extending outdoor operational lifetime by 3×; demonstrated 4-year stability—setting a benchmark for perovskite durability in the field.
- Collaborated with cross-functional research teams to translate lab-scale innovations into reproducible processes; authored 10+ peer-reviewed publications on deposition, characterization, and reliability.
Intern, R&D
Novaled GmbH
09.2016 - 01.2017
- Conducted IVL and lifetime characterization of OLED stacks for material screening; validated >5 new emitters and dopants.
- Supported QC in evaluating device-to-device uniformity using electroluminescence imaging.
Junior Engineer
Tamilnadu Energy Solutions
04.2014 - 09.2015
- Built and tested MPPT modules for solar inverters; enhanced energy yield by 10% over commercial units.
- Conducted IV tracing and EL inspection on solar panels to ensure quality compliance.
Education
Master of Science - Organic & Molecular Electronics
Technische Universität Dresden
Dresden, Germany03-2018
Bachelor of Engineering - Electrical & Electronics Engineering
Anna University
Chennai04-2014
Skills
- Deposition: ALD, PVD, CVD, PECVD, Spin coating, Inkjet printing
- Etch/Plasma Tools: ICP-RIE, IBE, Wet etching
- Characterization: SEM, AFM, XRD, IV/IVL, photoluminescence, EL, thermography
- Data/Process Analysis: DOE, SPC, JMP, Python, Origin, Matlab
- Others: Project management, patent analysis, pilot-line integration
LANGUAGES & MOBILITY
English (Fluent), Tamil (Native), German (B1)
Open to relocation to Bangalore, India; willing to travel up to 50%
Hindi
Elementary (A2)
Accomplishments
- Seasonality in Perovskite Solar Cells: Insights from 4 Years of Outdoor Data, https://doi.org/10.1002/aenm.202501906
- Gas flow-assisted vacuum drying: identification of a novel process for attaining high-quality perovskite films, https://doi.org/10.1039/D1MA00494H
- Characterization of Halide-based Perovskites for Application in X- and γ-rays Detectors, 10.1109/NSS/MIC44845.2022.10399228
- Electrospun Electroluminescent CsPbBr3 Fibers as Flexible Perovskite Networks for Light‐Emitting Application, https://doi.org/10.1002/adem.202201651
More on Google Scholar
Timeline
Development Engineer
Avancis GmbH
05.2023 - Current
Research Associate / HYSPRINT Research Labs
Helmholtz Zentrum Berlin
02.2019 - 05.2023
Intern, R&D
Novaled GmbH
09.2016 - 01.2017
Junior Engineer
Tamilnadu Energy Solutions
04.2014 - 09.2015
Master of Science - Organic & Molecular Electronics
Technische Universität Dresden
Bachelor of Engineering - Electrical & Electronics Engineering
Anna University
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