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Our Group has backgrounds in Physics, Chemistry, Mathematics, Materials Science, and Electrical Engineering. Learn more about us:
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Qi Wang
Group Manager
Primary Research Interests
- High-efficiency c-Si heterojunction solar cells
- Thin-film Si solar cells, diodes, and TFTs
- High-throughput thin-film deposition cluster tools
Read a short biography or view the NREL Publications of Qi Wang.
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Howard Branz
Principal Scientist
Primary Research Interests
- Film crystal silicon photovoltaics
- Defects, metastability, and diffusion in semiconductors
- Amorphous semiconductors
- Mechanisms of film and epitaxial silicon growth
- Nanostructured black silicon antireflection
Read a short biography or view the NREL Publications of Howard Branz.
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Pauls Stradins
Senior Scientist II
Primary Research Interests
- Light-induced structural changes and other metastable phenomena and electronic transport in disordered materials (such as a-Si:H)
- Crystallization of a-Si and related structural changes: in-situ monitoring, mechanisms of nucleation, grain growth, and epitaxy on native or foreign templates for next generation photovoltaics
- Non-linear electrical transport and breakdown phenomena in disordered Si and organic semiconductors for memory and photovoltaic applications
Read a short biography or view the NREL Publications of Pauls Stradins.
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 | Falah HasoonSenior Scientist II
Primary Research Interests
- Growth and characterization of silicon material and devices
- Hydrogenation for passivation of defective silicon
Read a short biography or view the NREL Publications of Falah Hasoon.
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David Young
Senior Scientist
Primary Research Interests
- Electronic defect characterization
- Solar cell device physics and characterization
- Film silicon and III-V solar cell design
Read a short biography or view the NREL Publications of David Young.
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Charles Teplin
Senior Scientist
Primary Research Interests
- Use of optical techniques to characterize advanced materials
- In-situ ellipsometric monitoring of Si epitaxial breakdown
- Combinatorial materials science: data mining and modeling
- Surface non-linear optics, particularly in magnetic materials
Read a short biography or view the NREL Publications of Charles Teplin.
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Alan Kibbler
Senior Engineer
Primary Research Interests
- Design and construction of materials deposition systems
- Growth systems and process control for III-V MOCVD epitaxy
- Molecular beam epitaxy
- Safety-related issues and NREL safety standards (member of NREL's Hazardous Production Materials Panel and Assistant Fire Marshal Team)
Read a short biography or view the NREL Publications of Alan Kibbler.
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Yueqin Xu
Research Scientist II
Primary Research Interests
- Vacuum system design and construction
- Thin-film deposition and processing
- Material characterization
- Solar cell fabrication
Read a short biography or view the NREL Publications of Yueqin Xu.
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Matt Page
Research Scientist II
Primary Research Interests
- Silicon solar cell fabrication and design
- Silicon feedstock
- Research equipment
Read a short biography or view the NREL Publications of Matt Page.
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William Nemeth
Research Engineer
Primary Research Interests
- Silicon solar cell fabrication and testing
- Thin-film deposition
- Bulk crystal growth
- Research equipment
Read a short biography or view the NREL Publications of William Nemeth.
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Maxim Shub
Mechanical Engineer
Primary Research Interests
- Design and construction of deposition systems
- HW-CVD thin films
- Seed layer growth
Read a short biography or view the NREL Publications of Maxim Shub.
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Lorenzo Roybal
Master Research Technician
Primary Research Interests
- Photolithography process and design
- Solar cell fabrication
- Solar hybrid system design and application
Read a short biography or view the NREL Publications of Lorenzo Roybal.
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Eugene Iwaniczko
Master Research Technician
Primary Research Interests
- Growth of thin-film silicon-based materials and devices for photovoltaics
- Characterization of solar cells and films
Read a short biography or view the NREL Publications of Eugene Iwaniczko.
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Russell Bauer
Master Research Technician
Primary Research Interests
- Silicon wafer processing
- Database development for scientific applications
- Lab equipment automation
Read a short biography or view the NREL Publications of Russell Bauer.
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Vernon Yost
Senior Research Technician
Primary Research Interests
- Surface chemistry, morphology, catalysis, and kinetics
- Film crystal silicon photovoltaics
- Surface characterization including UV-vis reflectance spectrometry, piezoelectric and interferometric profilometry
- Analytical chemistry of semiconductor precursors
Read a short biography or view the NREL Publications of Vernon Yost.
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Carolyn Beall
Senior Research Technician
Primary Research Interests
- Growth of thin-film silicon-based materials and devices for photovoltaics
- Characterization of solar cells and films
Read a short biography or view the NREL Publications of Carolyn Beall. Back to Top |
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Ina Martin
Postdoctoral researcher
Primary Research Interests
- Low-temperature Si epitaxy
- Electric field effects on DNA hybridization and immobilization for microarray applications
Read a short biography or view the NREL Publications of Ina Martin.
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Hao-Chih Yuan
Postdoctoral researcher
Primary Research Interests
- Silicon solar cell design, fabrication, and characterization
- Interdigitated back contact cell structure
- Silicon heterojunction solar cells
- Single crystal silicon growth
Read a short biography or view the NREL Publications of Hao-Chih Yuan.
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Kirstin Alberi
Postdoctoral Researcher
Primary Research Interests
- Transport properties of semiconductors
- Film silicon solar cells
Read a short biography or view the NREL Publications of Kirstin Alberi.
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David Bobela
Postdoctoral Researcher
Primary Research Interests
- Metastable phenomena in amorphous semiconductors
- Relationship between atomic structure and electrical / optical properties
- Magnetic resonance techniques
Read a short biography or view the NREL Publications of David Bobela.
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Ben Lee
Postdoctoral Researcher
Primary Research Interests
- Light trapping in thin silicon solar cells
- Optical and electronic properties of silicon quantum dots
- Silicon solar cell design, fabrication, and characterization
Read a short biography or view the NREL Publications of Benjamin Lee.
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Richard Crandall
Emeritus Researcher
Primary Research Interests
- Understanding the mechanism of metastable defect formation in a-Si and II-VI alloys
- Understanding the mechanism of charge emission and capture in wide-band gap solids
- Understanding the elastic and thermal properties of amorphous solids
Read a short biography or view the NREL Publications of Richard Crandall.
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