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Energy Materials and Devices Lab
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A lab that fabricates thin-film semiconductors for energy applications and investigates their properties.
AboutAbout the lab
Research on thin-film semiconductors for energy applications.
The Energy Materials and Devices Lab fabricates thin-film semiconductors and investigates their crystal structure, defects, and interface properties.
Its subjects include thin films of bismuth vanadate (BiVO4), used in photoelectrodes that split water under light, CIGS and perovskite solar cells, and molybdenum disulfide (MoS2).
The lab's faculty member, Associate Professor Islam Muhammad Monirul, works in the fields of "thin-film and surface/interface physical properties" and "crystal engineering." His research keywords include solar cells, photocatalysis, and electrochemistry.
Key terms
- Photoelectrode
- An electrode used in reactions that split water under light. The lab fabricates it as a thin film and examines its performance.
- Perovskite solar cell
- A solar cell that uses a perovskite-type crystal as its light-absorbing layer.
- Molybdenum disulfide
- A layered material made of molybdenum and sulfur. The lab makes it into thin films and examines its properties.
ResearchResearch themes
The lab fabricates energy-related materials for solar cells, photocatalysis, and batteries in thin-film form, and investigates their electrical and optical properties and defects. Its papers in recent years deal with thin films of BiVO4, CIGS, perovskites, MoS2, and others.
*Illustrative imageBiVO4 thin films for photocatalysis
The lab studies bismuth vanadate (BiVO4) thin films as photoelectrodes for photo-driven water splitting. The films are fabricated by sputtering, and the lab evaluates control of the crystal phase and how adding elements changes the electronic structure and performance.
*Illustrative imageAnalysis of voltage loss in CIGS solar cells
The lab analyzes the causes of open-circuit voltage loss in Cu(In,Ga)Se2 (CIGS) solar cells, using band-tail states, quasi-Fermi level splitting, and transient spectroscopy of the junction. It also examines the band offset of ZnO-SnOx alloys.
*Illustrative imageDegradation and design of perovskite solar cells
The lab investigates the mechanism by which perovskite solar cells degrade under heat. It also uses SCAPS-1D simulation to study structural optimization and the suppression of defects.
*Illustrative imageSynthesis and characterization of molybdenum disulfide thin films
The lab synthesizes molybdenum disulfide (MoS2) thin films by chemical vapor deposition and evaluates properties such as the strength of electron–phonon coupling. It also works on applying transition-metal-doped MoS2 to anodes of ion batteries.
MembersFaculty
- Associate ProfessorIslam Muhammad Monirul
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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: “New Thin-Film Solar Cells Compared to Normal Solar Cells (GRC-1966-C-02754)” NASA Glenn Research Center / Public domain (cropped)
- BiVO4 thin films for photocatalysis: “Bismuthvanadat” FK1954 / Public domain (cropped)
- Analysis of voltage loss in CIGS solar cells: “CIGS-scheme” Pv42 / Public domain (cropped)
- Degradation and design of perovskite solar cells: “Perovskite solar cell” Dennis Schroeder / National Renewable Energy Laboratory / Public domain (cropped)
- Synthesis and characterization of molybdenum disulfide thin films: “Molybdenite-3D-balls” Ben Mills / Public domain (cropped)
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- Related lab (陽電子消滅): “Testing AstroPix, A New Gamma-Ray Detector (SVS14809 - ASTEP Chips3)” NASA's Scientific Visualization Studio - University of Maryland College Park/Jeanette Kazmierczak, eMITS/Sophia Roberts, eMITS/Scott Wiessinger, Dan Violette, NASA/GSFC/Regina Caputo / Public domain (cropped)
- Related lab (パワーエレクトロニクス): “Micro-electric T3000 - board - National Semiconductor LM386N-0694” Raimond Spekking / CC BY-SA 4.0 (cropped)
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