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Tyler J. Grassman

  • Assistant Professor, Materials Science Engineering
  • Dept. of Materials Science and Engineeringg
    488 Watts Hall
    Columbus, OH 43210
  • 614-688-1704

About

Title

Assistant Professor, Electrical and Computer Engineering
Assistant Professor, Materials Science Engineering

Education

PhD, University of California – San Diego, 2007

Areas of interest

Development and integration of novel electronic and optoelectronic materials, and the study of their surfaces, interfaces, and defects, with a focus on photovoltaics and other clean energy and energy efficiency applications.

Office

Watts 278 (MSE)

Chapters

2011

  • 2011. "Chapter 14: III-V Solar Cells on Silicon." In III-V Compound Semiconductors: Integration with Silicon-Based Microelectronics, edited by T. Li, M. Mastro, A. Dadgar,

Journal Articles

2016

  • Grassman,Tyler,J; Chmielewski,Daniel,J; Carnevale,Santino,D; Carlin,John,A; Ringel,Steven,A, 2016, "GaAs_0.75P_0.25/Si Dual-Junction Solar Cells Grown by MBE and MOCVD." IEEE JOURNAL OF PHOTOVOLTAICS 6, no. 1, 326-331 - 326-331.

2015

  • S. D. Carnevale, J. I. Deitz, J. A. Carlin, Y. N. Picard, D. W. McComb, M. D. Graef, S. A. Ringel and T. J. Grassman, 2015, Applications of Electron Channeling Contrast Imaging for the Rapid Characterization of Extended Defects in III-V/Si Heterostructures. IEEE Journal of Photovoltaics 5, no. 2, 676-682 - 676-682.
  • Deitz,Julia,I; Carnevale,Santino,D; Ringel,Steven,A; McComb,David,W; Grassman,Tyler,J, 2015, "Electron Channeling Contrast Imaging for Rapid III-V Heteroepitaxial Characterization." JOURNAL OF VISUALIZED EXPERIMENTS no. 101, e52745 - e52745.
  • Almansouri,Ibraheem; Bremner,Stephen; Ho-Baillie,Anita; Mehrvarz,Hamid; Hao,Xiaojing; Conibeer,Gavin; Grassman,Tyler,J; Carlin,John,A; Haas,Alexander; Ringel,Steven,A; Green,Martin,A, 2015, "Designing Bottom Silicon Solar Cells for Multijunction Devices." IEEE JOURNAL OF PHOTOVOLTAICS 5, no. 2, 683-690 - 683-690.
  • I. A. Mansouri, S. Bremner, A. Ho-Baillie, H. Mehrvarz, X. Hao, G. Conibeer, T. J. Grassman, J. A. Carlin, A. Haas, S. A. Ringel and M. A. Green, 2015, Designing Bottom Silicon Solar Cells for Multijunction Devices. IEEE Journal of Photovoltaics 5, no. 2, 683-690 - 683-690.
  • Carnevale,Santino,D; Deitz,Julia,I; Carlin,John,A; Picard,Yoosuf,N; McComb,David,W; De Graef,Marc; Ringel,Steven,A; Grassman,Tyler,J, 2015, "Applications of Electron Channeling Contrast Imaging for the Rapid Characterization of Extended Defects in III-V/Si Heterostructures." IEEE JOURNAL OF PHOTOVOLTAICS 5, no. 2, 676-682 - 676-682.
  • Sarwar,ATM Golam; May,Brelon,J; Deitz,Julia,I; Grassman,Tyler,J; McComb,David,W; Myers,Roberto,C, 2015, "Tunnel junction enhanced nanowire ultraviolet light emitting diodes." APPLIED PHYSICS LETTERS 107, no. 10, 101103 - 101103.
  • Paul,P,K; Cardwell,D,W; Jackson,C,M; Galiano,K; Aryal,K; Pelz,J,P; Marsillac,S; Ringel,S,A; Grassman,T,J; Arehart,A,R, 2015, "Direct nm-Scale Spatial Mapping of Traps in CIGS." IEEE JOURNAL OF PHOTOVOLTAICS 5, no. 5, 1482-1486 - 1482-1486.

2014

2013

  • Grassman, T. J. Carlin, J. A. Galiana, B. Yang, L. M. Yang, F. Mills, M. J. Ringel, S. A., 2013, "Nucleation-related defect-free GaP/Si(100) heteroepitaxy via metal-organic chemical vapor deposition." Applied Physics Letters 102, no. 14, 142102 - 142102.

2011

  • RATCLIFF,C; Grassman,T,J; Carlin,J,A; Ringel,S,A, 2011, "High temperature step-flow growth of gallium phosphide by molecular beam epitaxy and metalorganic chemical vapor deposition." APPLIED PHYSICS LETTERS 99, no. 14, 141905 - 141905.
  • Swaminathan,K; Yang,L-M; Grassman,T,J; Tabares,G; Guzman,A; Hierro,A; Mills,M,J; Ringel,S,A, 2011, "Metamorphic In0.20Ga0.80As p-i-n photodetectors grown on GaAs substrates for near infrared applications." OPTICS EXPRESS 19, no. 8, 7280-7288 - 7280-7288.
  • Swaminathan,K; Grassman,T,J; Yang,L-M; Gu,Q; Mills,M,J; Ringel,S,A, 2011, "Optically-aligned visible/near-infrared dual-band photodetector materials and devices on GaAs using metamorphic epitaxy." JOURNAL OF APPLIED PHYSICS 110, no. 6, 063109 - 063109.

2009

  • Grassman,T,J; Bishop,S,R; Kummel,A,C, 2009, "Density functional theory study of first-layer adsorption of ZrO2 and HfO2 on Ge(100)." MICROELECTRONIC ENGINEERING 86, no. 3, 249-258 - 249-258.

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Papers in Proceedings

2014

2013

  • Al Mansouri,Ibraheem; Bremner,Stephen; Ho-Baillie,Anita; Mehrvarz,Hamid; Hao,Xiaojing; Conibeer,Gavin; Green,Martin,A; Grassman,Tyler,J; Carlin,John,A; Ringel,Steven,A Design of Bottom Silicon Solar Cell for Multijunction Devices. in IEEE Photovoltaic Specialists Conference (PVSC). http://dx.doi.org/10.1109/pvsc.2013.6745159, (1 2013).
  • Haas,Alexander; Sharps,Paul; Aiken,Daniel; Grassman,Tyler; Carlin,John,A; Ringel,Steven Analysis of Short- and Long-Term Performance Goals for III/V on Active Si Concentrator Solar Cells. in 39th IEEE Photovoltaic Specialists Conference (PVSC). http://dx.doi.org/10.1109/PVSC.2013.6744282, (1 2013).
  • M.A. Green, X. Hao, S. Bremner, G. J. Conibeer, I. Al Mansouri, N. Song, Z. Liu, S. A. Ringel, J. A. Carlin, T. J. Grassman, B. Galiana, A. M. Carlin, C. Ratcliff, D. Chmielewski, L. Yang, M. J. Mills, G. Teeter, M. Young "Silicon Wafer-Based Tandem Cells: The Ultimate Photovoltaic Solution?." in 28th European Photovoltaic Solar Energy Conference. (6 2013).
  • A. Haas, P. Sharps, D. Aiken, T. J. Grassman, J. A. Carlin, S. A. Ringel "Analysis of Short- and Long-Term Performance Goals for III/V on Active Si Concentrator Solar Cells." in 39th IEEE Photovoltaic Specialists Conference. (6 2013).

2012

  • Grandal,Javier; Grassman,Tyler,J; Carlin,Andrew,M; Brenner,Mark,R; Galiana,Beatriz; Carlin,John,A; Yang,Limei; Mills,Michael,J; Ringel,Steven,A "Growth and characterization of InGaAs quantum dots on metamorphic GaAsP templates by molecular beam epitaxy." in 38th IEEE Photovoltaic Specialists Conference (PVSC). (6 2012).

2011

2009

  • Grassman,T,J; Brenner,M,R; Carlin,A,M; Rajagopalan,S; Unocic,R; DEHOFF,R; Mills,M; Fraser,H; Ringel,S,A "Toward Metamorphic Multijunction GaAsP/Si Photovoltaics Grown on Optimized GaP/Si Virtual Substrates Using Anion-Graded GaAsyP1-y Buffers." in 34th IEEE Photovoltaic Specialists Conference. (1 2009).

2005

  • Kummel,A,C; Grassman,T; Winn,D,L; Hale,M,J; Sexton,J,Z; Passlack,M; Droopad,R "Influence of atomic structure on electronic structure for oxide-semiconductor interfaces.." in 229th National Meeting of the American-Chemical-Society (ACS). (3 2005).

2004

  • Miller,K,A; Toal,S,J; Bodde,S,G; Sexton,J,Z; Tran,N; Grassman,T; Fruhberger,B; Ramirez,M,IM; Kummel,A,C; Schuller,I,K; TROGLER,W,C "Metallophthalocyanine based chemical sensors for chemical warfare agents.." in 227th National Meeting of the American-Chemical Society. (3 2004).