Yong-Hang Zhang

School of Electrical, Computer and Energy Engineering

Arizona State University , Tempe, A Z 85287-5706

Phone:  480-965-2562, Email: yhzhang@asu.edu

MBE group web: https://mbe.engineering.asu.edu/

Research and Professional Experience:

2016-present: Director, ASU NanoFab, ASU

2005-present: Founding Director, Center for Photonics Innovation, ASU

2000-present: Affiliated Professors in Physics, Materials Engineering, and Bioengineering, ASU

1996-present: Associate (96-00) and Professor (00-pesent), School of Electrical, Computer and Energy Engineering, ASU

2014-2016:Associate Dean for Research, School of Electrical, Computer and Energy Engineering

2012-2014: Fulton Entrepreneurial Professor, Ira A. Fulton Schools of Engineering, ASU

1995-1996: Research Staff Member, Hughes Research Laboratories

1993-1995: Postdoctoral Research Staff Member, Hughes Research Laboratories

1991-1993: Assistant Research Engineer, NSF QUEST Center, University of California at Santa Barbara                 

Publications: [https://mbe.engineering.asu.edu/]

      Prof. Zhang has edited 3 books, published 3 book chapters and more than 300 peered reviewed papers, presented close to 400 invited and contributed talks, 13 issued and pending US patents.

1. J. J. Becker, M. Boccard, C. M. Campbell, Y. Zhao, M. Lassise, Z. C. Holman, and Y.-H. Zhang, Loss analysis of monocrystalline CdTe solar cells with 20% active-area efficiency, IEEE J. of Photovoltaics 7, 900 – 905 (2017).
2. X.-H. Zhao, S. Liu, C. M. Campbell, Y. Zhao, M. B. Lassise, and Y.-H. Zhang, Ultralow interface recombination velocity (~1 cm/s) at CdTe/MgxCd1-xTe heterointerface, IEEE J.of Photovoltaics 7, 913 – 918 (2017).
3. Y. Zhao, M. Boccard, S. Liu, J. Becker, X.-H. Zhao, C. M. Campbell, E. Suarez, M. B. Lassise, Z. Holman, and Y.-H. Zhang, Monocrystalline CdTe Solar Cells with Open-Circuit Voltage Over 1V and Efficiency of 17%, Nature Energy 1, 16067 (2016).
4. X.-H. Zhao, S. Liu, Y. Zhao, C. M. Campbell, M. B. Lassise, Y.-S. Kuo, Y.-H. Zhang, Electrical and Optical Properties of n-Type Indium-Doped CdTe/MgCdTe Double Heterostructures, IEEE J. of Photovoltaics 6, 552 - 556 (2016)
5. Z.-Y. He, C. M. Campbell, M. B. Lassise, Z.-Y. Lin, J. J. Becker, Y. Zhao, M. Boccard, Z. Holman, Y.-H. Zhang, CdTe nBn photodetectors with ZnTe barrier layer grown on InSb substrates, Appl. Phys. Lett. 109, 121112 (2016)
6. Z.-Y. Lin, S. Liu, E.H. Steenbergen, and Y.-H. Zhang, Influence of carrier localization on minority carrier lifetime in InAs/InAsSb type-II superlattices, Appl. Phys. Lett., 107, 201107 (2015)
7. S. Liu, X.-H. Zhao, C. M. Campbell, M. B. Lassise, Y. Zhao, Y.-H. Zhang, Carrier lifetimes and interface recombination velocities in CdTe/MgxCd1-xTe double heterostructures with different Mg compositions grown by molecular beam epitaxy, Appl. Phys. Letts. 107, 041120 (2015)
8. A. D. Prins, M. K. Lewis, Z.L. Bushell, S. J. Sweeney, S. Liu, Y.-H. Zhang, Evidence for a defect level above the conduction band edge of InAs/InAsSb type-II superlattices for applications in efficient infrared photodetectors, Appl. Phys. Letts. 106, 171111 (2015)
9. W. Yang, J. Becker, S. Liu, Y.-S. Kuo, J.-J. Li, B. Landini, K. Campman, Y.-H. Zhang, Ultra-thin GaAs single-junction solar cells integrated with a reflective back scattering layer, J. Appl. Phys. 115, 203105 (2014)
10. M. J. DiNezza, X.-H. Zhao, S. Liu, Y.-H. Zhang, Growth, steady-state, and time-resolved photoluminescence study of CdTe/MgCdTe double heterostructures on InSb substrates using molecular beam epitaxy, Appl. Phys. Lett.  103, 193901 (2013)
11. H. S. Kim, O. O. Cellek, Z. Lin, Z.-Y. He, H. Li, S. Liu, and Y.-H. Zhang. Long-wave infrared nBn photodetectors based on InAs/InAsSb type-II superlattices, Appl. Phys. Lett. 101, 161114 (2012)
12. D. Ding, S. R. Johnson, S.-Q. Yu, S.-N. Wu, and Y.-H. Zhang, A Semi-Analytical Model for Semiconductor Solar Cells, J. Appl. Phys. 110, 123104 (2011).
13. E. H. Steenbergen, B. C. Connelly, G. D. Metcalfe, H. Shen, M. Wraback, D. Lubyshev, Y. Qiu, J. M. Fastenau, A. W. K. Liu, S. Elhamri, O. O. Cellek, and Y.-H. Zhang, Significantly improved minority carrier lifetime observed in a long-wavelength infrared III-V type-II superlattice comprised of InAs/InAsSb, Appl. Phys. Lett. 99, 251110 (2011) 
14. X. Liu, D. J. Smith, J. Fan, Y.-H. Zhang, H. Cao, Y. P. Chen, J. Leiner, B. J. Kirby, M. Dobrowolska, and J. K. Furdyna, Structural properties of Bi2Te3 and Bi2Se3 topological insulators grown by molecular beam epitaxy on GaAs(100) substrates, Appl. Phys. Lett. 99, 171903 (2011)
15. S. H. Lim, J.-J. Li, E. H. Steenbergen, Y.-H. Zhang, Luminescence coupling effects on multi-junction solar cell external quantum efficiency measurement, Progress in Photovoltaics: Research and Applications, 21, 344–350 (2013) (Published online: 30 NOV 2011 | DOI: 10.1002/pip.1215 (2011))
16. S.-N. Wu, D. Ding, S. R. Johnson, S.-Q. Yu, and Y.-H. Zhang, Four-junction solar cells using monolithically integrated II-VI and III-V semiconductors, Prog. Photovolt: Res. Appl.  18, 328–333 (2010)
17. S. Wang, D. Ding, X. Liu, X.-B. Zhang, D. J. Smith, J. K. Furdyna, and Y.-H. Zhang, MBE growth of II/VI materials on GaSb substrates for photovoltaic applications, J. of Crystal Growth 311, 2116-2119 (2009)
18. J.-B. Wang, S. R. Johnson, D. Ding, S.-Q. Yu, and Y.-H. Zhang, Influence of photon recycling on cooling efficiency and cooling power in semiconductor luminescence refrigeration, J. Appl. Phys. 100, 043502 (2006)
19. N. Samal, S. R. Johnson, D. Ding, A. K. Samal, Y.-H. Zhang, Novel VCSEL Design with Tailored Spatial Current Injection for High-Power Single-Mode Operation, Appl. Phys. Lett. 87, 161108 (2005)
20. J.-B. Wang, S. R. Johnson, S. A. Chaparro, D. Ding, Y. Cao, Yu. G. Sadofyev, Y.-H. Zhang, J.A. Gupta, and C.Z. Guo, Band edge alignment of pseudomorphic GaAs1-ySby on GaAs, Phys. Rev. B70, 195339 (2004)

Synergistic activities:

1. IEEE and OSA Fellow
2. Chair, the Advisory Committee of the International North America MBE Conference
3. Co-General Chair of the 14th Int. Conf. on Mid-IR Optoelectronics: Materials and Devices, 2018
4. General chair of the 18th Int. MBE Conference, 2014

Total number of grad. students advised : over 30 ; total postdoctoral scholars sponsored: over 40.