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NREL - National Renewable Energy Laboratory
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Research Staff

Our silicon group members have backgrounds in physics, chemistry, mathematics, materials science, and electrical engineering.

Photo of 21 people standing in front of a building with a silver, cylinder-shaped structure on one side.
Photo of Pauls Stradins

Pauls Stradins

Senior Scientist II
Group Manager

Primary Research Interests

  • High-efficiency silicon photovoltaics: advanced passivation techniques and industrially-relevant processes
  • Interfacing Si cell with other materials for high-efficiency tandem
  • Nanostructured semiconductor materials for photovoltaics: Si quantum dots, nanowires, "black" silicon, advanced light-trapping structures.

Read a short profile or view the NREL Publications of Pauls Stradins.

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Photo of Russell Bauer

Russell Bauer

Master Research Technician

Primary Research Interests

  • Silicon wafer processing
  • Database development for scientific applications
  • Lab equipment automation

Read a short profile or view the NREL Publications of Russell Bauer.

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Photo of Howard Branz

Howard Branz

Principal Scientist

Primary Research Interests

  • Film crystal silicon photovoltaics
  • Defects, metastability, and diffusion in semiconductors
  • Amorphous semiconductors
  • Solar hydrogen production
  • Nanostructured black silicon antireflection

Read a short profile or view the NREL Publications of Howard Branz.

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Photo of Sachit Grover

Sachit Grover

Postdoctoral Researcher

Primary Research Interests

  • Film-silicon solar cells
  • Physics, fabrication, and characterization of novel electronic devices
  • Nanoscale electronics and plasmonics

Read a short profile of Sachit Grover.

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Photo of Vincenzo LaSalvia

Vincenzo LaSalvia

Research Technician II

Primary Research Interests

  • Microfabrication techniques
  • Silicon epitaxy
  • Photovoltaic characterization
  • Semiconductor physics

Read a short profile of Vincenzo LaSalvia.

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Photo of Benjamin Lee

Benjamin Lee

Postdoctoral Researcher

Primary Research Interests

  • Light trapping in thin silicon solar cells
  • Optical and electronic properties of silicon quantum dots
  • Epitaxial-film silicon solar cell design, fabrication, and characterization

Read a short profile or view the NREL Publications of Benjamin Lee.

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Photo of William Nemeth

William Nemeth

Research Engineer

Primary Research Interests

  • Silicon solar cell fabrication and testing
  • Thin-film deposition
  • Bulk crystal growth
  • Research equipment

Read a short profile or view the NREL Publications of William Nemeth.

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Photo of Matt Page

Matt Page

Research Scientist II

Primary Research Interests

  • Silicon solar cell fabrication and design
  • Silicon feedstock
  • Research equipment

Read a short profile or view the NREL Publications of Matt Page.

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Photo of Lorenzo Roybal

Lorenzo Roybal

Master Research Technician

Primary Research Interests

  • Photolithography process and design
  • Solar cell fabrication
  • Solar hybrid system design and application

Read a short profile or view the NREL Publications of Lorenzo Roybal.

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Photo of Charles Teplin

Charles (C.W.) Teplin

Senior Scientist

Primary Research Interests

  • Low-temperature silicon epitaxy and heteroepitaxy
  • Nonlinear optical characterization of semiconductor interfaces and charge transport
  • Texture formation in film crystal growth

Read a short profile or view the NREL Publications of Charles Teplin.

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Photo of Qi Wang

Qi Wang

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 profile or view the NREL Publications of Qi Wang.

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Photo of David Young

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 profile or view the NREL Publications of David Young.

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Photo of Hao-Chih Yuan

Hao-Chih Yuan

Research Scientist

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 profile or view the NREL Publications of Hao-Chih Yuan.

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