Wei Du Source Confirmed

Affiliation confirmed via AI analysis of OpenAlex, ORCID, and web sources.

Federal Grant PI High Impact

Associate Professor

University of Arkansas at Fayetteville

faculty

31 h-index 181 pubs 3,548 cited

Research Areas

Semiconductor materials and devices Advancements in Semiconductor Devices and Circuit Design Photonic and Optical Devices GaN-based semiconductor devices and materials Semiconductor Quantum Structures and Devices Semiconductor Lasers and Optical Devices Chalcogenide Semiconductor Thin Films

Links

ORCID Lab Website

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OverviewAI-generated summary

Wei Du's research program focuses on the development and application of semiconductor materials, particularly Germanium-Tin (GeSn) alloys, for advanced photonic and optoelectronic devices. His work investigates the growth of pseudomorphic GeSn alloys with high tin compositions and explores their potential for mid-infrared (MIR) applications, including the development of electrically injected GeSn lasers operating at wavelengths up to 2.7 μm. Du has published research on SiGeSn quantum wells for integrated photonics circuits and the enhanced carrier collection efficiency of GeSn single quantum wells for all-group-IV photonics.

His federally funded research includes two NSF grants totaling over $571,000. One grant supports the development of semiconductor lasers and passive devices on a sapphire platform for integrated microwave photonics. The second grant focuses on SiGeSn-based heterostructures for intersubband photonic materials. These projects underscore his commitment to advancing semiconductor technologies for integrated systems.

Du collaborates extensively with researchers at the University of Arkansas at Fayetteville, including Shui-Qing Yu, Hryhorii Stanchu, Solomon Ojo, and Sylvester Amoah, with whom he shares numerous publications. His scholarly output is substantial, with 181 total publications and a citation count of 3,548, reflecting a highly cited researcher status. He maintains an active lab website to disseminate his work.

Metrics

  • h-index: 31
  • Publications: 181
  • Citations: 3,548

Selected Publications

  • High-quality GeSn grown in foundry mode via chemical vapor deposition enabling lasing up to 235 K (2025) DOI
  • Complementary metal-oxide-semiconductor monolithic germanium tin short-wave infrared focal plane array (2025) DOI
  • X-ray diffraction study of Ge islands on Si(001) grown by aspect ratio trapping (2025) DOI
  • Study of electronic band alignment in SiGeSn/GeSn quantum well via internal photoemission effect (2025) DOI
  • Dislocation-Related Photoluminescence Emission in MBE-Grown GeSn (2025) DOI
  • <i>In-situ</i> real-time monitoring of GeSn growth using UHV-CVD to achieve high-quality material with lasing at 2250 nm and 100 K [Invited] (2025) DOI
  • Editorial: SiGeSn Infrared Photonics and Quantum Electronics (2025) DOI
  • High‐Detectivity GeSn Mid‐Infrared Photodetectors for Sensitive Infrared Spectroscopy (2024) DOI
  • Development of All Group IV SiGeSn Mid Infrared Semiconductor Laser (2024) DOI
  • Challenges for Room Temperature Electrically Injected GeSn Semiconductor Lasers (2024) DOI
  • Development of Monolithic Germanium–Tin on Si Avalanche Photodiodes for Infrared Detection (2024) DOI
  • Development of GeSn epitaxial films with strong direct bandgap luminescence in the mid-wave infrared region using a commercial chemical vapor deposition reactor (2024) DOI
  • Modeling Study of Si3N4 Waveguides on a Sapphire Platform for Photonic Integration Applications (2024) DOI
  • Feasibility Study of Photonic Integrated Circuits on Sapphire Platform (2024) DOI
  • Electrically Injected Mid-Infrared GeSn Laser on Si Operating at 140 K (2024) DOI

Federal Grants 2 $571,464 total

NSF PI

Collaborative Research: SiGeSn-based heterostructures for intersubband photonic materials

ELECTRONIC/PHOTONIC MATERIALS $271,852
NSF PI

RII Track-4: NSF: Development of Semiconductor Lasers and Passive Devices on a Single Sapphire Platform for Integrated Microwave Photonics

EPSCoR RII: EPSCoR Research Fe $299,612

Collaborators

Researchers in the database who share publications

Shui-Qing Yu University of Arkansas at Fayetteville 19 shared publications Hryhorii Stanchu University of Arkansas at Fayetteville 18 shared publications Solomon Ojo University of Arkansas at Fayetteville 13 shared publications Sylvester Amoah University of Arkansas at Fayetteville 12 shared publications Joshua M. Grant University of Arkansas at Fayetteville 12 shared publications Sudip Acharya University of Arkansas at Fayetteville 11 shared publications Oluwatobi Olorunsola University of Arkansas at Fayetteville 9 shared publications Yiyin Zhou University of Arkansas at Fayetteville 7 shared publications

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