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Energy Control Engineering (S) Lab
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A lab that fabricates silicon thin films to improve the efficiency of solar cells.
AboutAbout the lab
Silicon thin films for higher-efficiency solar cells
This lab studies the development of silicon-based thin-film materials and their application to devices.
It develops nanocrystalline silicon-based thin-film materials, aiming to improve the efficiency of silicon solar cells.
The thin films are fabricated by methods such as hot-wire CVD and sputtering.
Key terms
- Thin film
- An extremely thin layer formed on top of a base called a substrate
- Hot-wire CVD
- A method of forming a thin film by decomposing source gas on the surface of a heated metal wire and depositing the resulting radicals
- Sputtering
- A method of forming a film by bombarding a material with ions in a plasma and depositing the atoms that are knocked out
ResearchResearch themes
The lab develops nanocrystalline silicon-based thin-film materials, aiming to improve the efficiency of silicon solar cells. Using thin-film fabrication techniques such as hot-wire CVD, it produces thin films of silicon and silicon carbide.
*Illustrative imageSilicon-based thin films and solar cells
The lab develops thin films of nanocrystalline silicon carbide, microcrystalline silicon, and amorphous silicon, aiming to improve the efficiency of silicon solar cells.
*Illustrative imageHot-wire CVD
In this method, source gas molecules are decomposed by the catalytic action on the surface of a heated metal wire (filament), and the resulting radicals are deposited to form a thin film. Because no ions are generated, the film is less likely to be damaged, and films can be formed even at low temperatures.
MembersFaculty
- Associate ProfessorAkimori Tabata
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Silicon heterojunction solar cell” Radiotrefoil / CC BY-SA 4.0 (cropped)
- Silicon-based thin films and solar cells: “Thin Film Flexible Solar PV Installation 2” Fieldsken Ken Fields / CC BY-SA 3.0 (cropped)
- Hot-wire CVD: “Chemical Vapor Deposition Setup” Aksy88 / CC BY-SA 4.0 (cropped)
- Related lab (Functional Integrated Devices Lab): “Wafer - 4” Windell Oskay / CC BY 2.0 (cropped)
- Related lab (Plasma Nanoprocess Science Lab): “Plasma Pencil” Entropi5 / CC BY-SA 3.0 (cropped)
- Related lab (Plasma Electronics Lab): “Bell Jar 35 with Argon Plasma” Diener electronic GmbH + Co KG / CC BY-SA 4.0 (cropped)
- Related lab (Nano Spin Devices Lab): “Spintronic Devices ( )” National Institute of Standards and Technology / Public domain (cropped)
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