Journal of Electronic Materials

, Volume 43, Issue 4, pp 902–908 | Cite as

GaSb Thermophotovoltaic Cells Grown on GaAs Substrate Using the Interfacial Misfit Array Method

  • Dante DeMeo
  • Corey Shemelya
  • Chandler Downs
  • Abigail Licht
  • Emir Salih Magden
  • Tom Rotter
  • Chetan Dhital
  • Stephen Wilson
  • Ganesh Balakrishnan
  • Thomas E. Vandervelde


We present gallium antimonide (GaSb) p–i–n photodiodes for use as thermophotovoltaic (TPV) cells grown on gallium arsenide (100) substrates using the interfacial misfit array method. Devices were grown using molecular beam epitaxy and fabricated using standard microfabrication processes. X-ray diffraction was used to measure the strain, and current–voltage (IV) tests were performed to determine the photovoltaic properties of the TPV cells. Energy generation at low efficiencies was achieved, and device performance was critically analyzed.


Thermophotovoltaic interfacial misfit array lattice mismatch gallium antimonide 


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This material is based upon work supported by␣the National Science Foundation Graduate Research Fellowship under Grant No. DGE-0806676 and NSF Grant No. ECCS-1055203. This work was performed in part at the Center for Nanoscale Systems (CNS), a member of the National Nanotechnology Infrastructure Network (NNIN), which is supported by the National Science Foundation under NSF Award No. ECS-0335765. CNS is part of Harvard University. The Tufts Micro- and Nanofabrication Facility was also used for this work.


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Copyright information

© TMS 2014

Authors and Affiliations

  • Dante DeMeo
    • 1
  • Corey Shemelya
    • 1
  • Chandler Downs
    • 1
  • Abigail Licht
    • 1
  • Emir Salih Magden
    • 1
  • Tom Rotter
    • 2
  • Chetan Dhital
    • 3
  • Stephen Wilson
    • 3
  • Ganesh Balakrishnan
    • 2
  • Thomas E. Vandervelde
    • 1
  1. 1.Renewable Energy and Applied Photonics Labs, ECE DepartmentTufts UniversityMedfordUSA
  2. 2.Center for High Tech MaterialsUniversity of New MexicoAlbuquerqueUSA
  3. 3.Department of PhysicsBoston CollegeChestnut HillUSA

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