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2015
2 Citations (Scopus)

Photoluminescence study of carrier recombination processes in InAs/InAsSb type-II superlattices

Lin, Z. Y., Fan, J., Liu, S. & Zhang, Y-H., 2015, Proceedings of SPIE - The International Society for Optical Engineering. January ed. SPIE, Vol. 9451. 94510Q

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Superlattices
Photoluminescence
Recombination
superlattices
Infrared radiation
2 Citations (Scopus)

Significantly improved carrier lifetime and reduced interface recombination velocity for CdTe/MgCdTe double heterostructures

Liu, S., Zhao, X. H., Campbell, C. M., Lassise, M. B., Zhao, Y. & Zhang, Y-H., Dec 14 2015, 2015 IEEE 42nd Photovoltaic Specialist Conference, PVSC 2015. Institute of Electrical and Electronics Engineers Inc., 7356225

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Carrier lifetime
Heterojunctions
Quantum efficiency
Photoluminescence
Temperature

Simulated performance of monocrystalline CdTe/MgCdTe double heterostructure solar cells

Zhao, Y. & Zhang, Y-H., Dec 14 2015, 2015 IEEE 42nd Photovoltaic Specialist Conference, PVSC 2015. Institute of Electrical and Electronics Engineers Inc., 7355772

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Heterojunctions
Solar cells
Recycling
Photons
Antireflection coatings

Simultaneous Enhancement of Electrical Conductivity and Thermopower of Bi<inf>2</inf>Te<inf>3</inf> by Multifunctionality of Native Defects

Suh, J., Yu, K. M., Fu, D., Liu, X., Yang, F., Fan, J., Smith, D. J., Zhang, Y. H., Furdyna, J. K., Dames, C., Walukiewicz, W. & Wu, J., 2015, (Accepted/In press) In : Advanced Materials.

Research output: Contribution to journalArticle

42 Citations (Scopus)

Simultaneous Enhancement of Electrical Conductivity and Thermopower of Bi2Te3 by Multifunctionality of Native Defects

Suh, J., Yu, K. M., Fu, D., Liu, X., Yang, F., Fan, J., Smith, D., Zhang, Y-H., Furdyna, J. K., Dames, C., Walukiewicz, W. & Wu, J., Jun 1 2015, In : Advanced Materials. 27, 24, p. 3681-3686 6 p.

Research output: Contribution to journalArticle

Thermoelectric power
Defects
Electrons
Electric Conductivity

Structural and optical properties of MgxCd1-xTe alloys grown on InSb (100) substrates using molecular beam epitaxy

Liu, S., Zhao, X. H., Zhao, Y., Campbell, C., Lassise, M., Suarez, E. & Zhang, Y-H., Dec 14 2015, 2015 IEEE 42nd Photovoltaic Specialist Conference, PVSC 2015. Institute of Electrical and Electronics Engineers Inc., 7356376

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Energy conversion
Molecular beam epitaxy
Sun
Conversion efficiency
Structural properties

Study of carrier lifetime degradation in (Zn)CdTe/MgCdTe double heterostructures

Zhao, X. H., Liu, S., Campbell, C. M. & Zhang, Y-H., Dec 14 2015, 2015 IEEE 42nd Photovoltaic Specialist Conference, PVSC 2015. Institute of Electrical and Electronics Engineers Inc., 7355885

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Carrier lifetime
Heterojunctions
Degradation
Thermionic emission
Molecular beam epitaxy
2014
12 Citations (Scopus)

Carrier Decay and Diffusion Dynamics in Single-Crystalline CdTe as Seen via Microphotoluminescence

Fluegel, B., Alberi, K., Dinezza, M. J., Liu, S., Zhang, Y-H. & Mascarenhas, A., Sep 24 2014, In : Physical Review Applied. 2, 3, 034010.

Research output: Contribution to journalArticle

defects
decay
carrier lifetime
photoluminescence
diffusion length
2 Citations (Scopus)

Characterization and quantitative analysis of ultra-thin GaAs single-junction solar cells with reflective back scattering

Liu, S., Yang, W., Becker, J., Kuo, Y. S. & Zhang, Y-H., Oct 15 2014, 2014 IEEE 40th Photovoltaic Specialist Conference, PVSC 2014. Institute of Electrical and Electronics Engineers Inc., p. 487-490 4 p. 6924965

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Quantum efficiency
Solar cells
Scattering
Open circuit voltage
Chemical analysis
38 Citations (Scopus)

Determination of CdTe bulk carrier lifetime and interface recombination velocity of CdTe/MgCdTe double heterostructures grown by molecular beam epitaxy

Zhao, X. H., Dinezza, M. J., Liu, S., Campbell, C. M., Zhao, Y. & Zhang, Y-H., Dec 22 2014, In : Applied Physics Letters. 105, 25, 252101.

Research output: Contribution to journalArticle

carrier lifetime
molecular beam epitaxy
photoluminescence
radiative lifetime
recycling

Increased radiation hardness in ultra-thin GaAs single-junction solar cells

Becker, J., Kuo, Y. S. & Zhang, Y-H., Oct 15 2014, 2014 IEEE 40th Photovoltaic Specialist Conference, PVSC 2014. Institute of Electrical and Electronics Engineers Inc., p. 1839-1841 3 p. 6925281

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Solar cells
Hardness
Radiation
Analytical models
Electrons
14 Citations (Scopus)

Molecular beam epitaxy using bismuth as a constituent in InAs and a surfactant in InAs/InAsSb superlattices

Webster, P. T., Riordan, N. A., Gogineni, C., Liu, S., Lu, J., Zhao, X. H., Smith, D., Zhang, Y-H. & Johnson, S., 2014, In : Journal of Vacuum Science and Technology B:Nanotechnology and Microelectronics. 32, 2, 02C120.

Research output: Contribution to journalArticle

Bismuth
Superlattices
Molecular beam epitaxy
Surface-Active Agents
bismuth
5 Citations (Scopus)

Probing carrier lifetimes at dislocations in epitaxial CdTe

Alberi, K., Fluegel, B., DiNezza, M. J., Liu, S., Zhang, Y-H. & Mascarenhas, A., 2014, In : Applied Physics Express. 7, 6, 065503.

Research output: Contribution to journalArticle

Carrier lifetime
carrier lifetime
diffusion length
Epitaxial films
Dislocations (crystals)
Superlattices
superlattices
interfacial tension

Real-Time Base Line Correction Method

Zhang, Y-H., Dec 19 2014

Research output: Patent

photoluminescence
signal to noise ratios
charge carriers
directories
low frequencies
3 Citations (Scopus)

Study of defects in CdTe heterostructures using imaging confocal photoluminescence and photoluminescence intensity measurements

Swartz, C. H., Noriega, O. C., Jayathilaka, P. A. R. D., Edirisooriya, M., Zhao, X. H., Dinezza, M. J., Liu, S., Zhang, Y-H. & Myers, T. H., Oct 15 2014, 2014 IEEE 40th Photovoltaic Specialist Conference, PVSC 2014. Institute of Electrical and Electronics Engineers Inc., p. 2419-2424 6 p. 6925416

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Interface states
Heterojunctions
Photoluminescence
Imaging techniques
Defects
3 Citations (Scopus)

Temperature-dependent time-resolved photoluminescence study of monocrystalline CdTe/MgCdTe double heterostructures with low defect density

Zhao, X. H., Dinezza, M. J., Liu, S., Jayathilaka, P. A. R. D., Noriega, O. C., Myers, T. H. & Zhang, Y-H., Oct 15 2014, 2014 IEEE 40th Photovoltaic Specialist Conference, PVSC 2014. Institute of Electrical and Electronics Engineers Inc., p. 3272-3275 4 p. 6925634

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Defect density
Heterojunctions
Photoluminescence
Carrier lifetime
Crystal lattices
28 Citations (Scopus)
Molecular beam epitaxy
Heterojunctions
Photoluminescence
molecular beam epitaxy
photoluminescence
26 Citations (Scopus)

Ultra-thin GaAs single-junction solar cells integrated with a reflective back scattering layer

Yang, W., Becker, J., Liu, S., Kuo, Y. S., Li, J. J., Landini, B., Campman, K. & Zhang, Y-H., May 28 2014, In : Journal of Applied Physics. 115, 20, 203105.

Research output: Contribution to journalArticle

solar cells
scattering
phosphides
short circuit currents
open circuit voltage
2013
5 Citations (Scopus)

A calibration method for group V fluxes and impact of V/III flux ratio on the growth of InAs/InAsSb type-II superlattices by molecular beam epitaxy

Li, H., Liu, S., Cellek, O. O., Ding, D., Shen, X. M., Steenbergen, E. H., Fan, J., Lin, Z., He, Z. Y., Zhang, Q., Webster, P. T., Johnson, S., Ouyang, L., Smith, D. & Zhang, Y-H., 2013, In : Journal of Crystal Growth. 378, p. 145-149 5 p.

Research output: Contribution to journalArticle

Superlattices
Molecular beam epitaxy
superlattices
molecular beam epitaxy
Calibration
2 Citations (Scopus)

Atomic-scale characterization of (mostly zincblende) compound semiconductor heterostructures

Smith, D., Aoki, T., Furdyna, J. K., Liu, X., McCartney, M. & Zhang, Y-H., 2013, In : Journal of Physics: Conference Series. 471, 1, 012005.

Research output: Contribution to journalArticle

zincblende
defects
aberration
electron microscopy
interfacial tension
18 Citations (Scopus)

CdTe vs. GaAs solar cells - A modeling case study with preliminary experimental results

Kirk, A. P., Dinezza, M. J., Liu, S., Zhao, X. H. & Zhang, Y-H., 2013, Conference Record of the IEEE Photovoltaic Specialists Conference. Institute of Electrical and Electronics Engineers Inc., p. 2515-2517 3 p. 6744987

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Solar cells
Heterojunctions
Carrier lifetime
Photoluminescence
Molecular beam epitaxy
12 Citations (Scopus)
Quantum efficiency
artifacts
quantum efficiency
elimination
solar cells
6 Citations (Scopus)

Elimination of artifacts in external quantum efficiency measurements of multijunction solar cells using a pulsed voltage bias

Li, J. J., Allen, C. R., Lim, S. H. & Zhang, Y-H., 2013, In : IEEE Journal of Photovoltaics. 3, 2, p. 769-775 7 p., 6468054.

Research output: Contribution to journalArticle

Bias voltage
Quantum efficiency
artifacts
quantum efficiency
elimination
4 Citations (Scopus)

GaSb/ZnTe double-heterostructures grown using molecular beam epitaxy

Fan, J., Ouyang, L., Liu, X., Furdyna, J. K., Smith, D. & Zhang, Y-H., May 15 2013, In : Journal of Crystal Growth. 371, p. 122-125 4 p.

Research output: Contribution to journalArticle

Molecular beam epitaxy
Heterojunctions
molecular beam epitaxy
Thermal evaporation
Defect density
45 Citations (Scopus)

Growth, steady-state, and time-resolved photoluminescence study of CdTe/MgCdTe double heterostructures on InSb substrates using molecular beam epitaxy

DiNezza, M. J., Zhao, X. H., Liu, S., Kirk, A. P. & Zhang, Y-H., Nov 4 2013, In : Applied Physics Letters. 103, 19, 193901.

Research output: Contribution to journalArticle

molecular beam epitaxy
photoluminescence
aluminum gallium arsenides
solar cells
life (durability)
8 Citations (Scopus)

Impact of substrate temperature on the structural and optical properties of strain-balanced InAs/InAsSb type-II superlattices grown by molecular beam epitaxy

Liu, S., Li, H., Cellek, O. O., Ding, D., Shen, X. M., Lin, Z. Y., Steenbergen, E. H., Fan, J., He, Z. Y., Lu, J., Johnson, S., Smith, D. & Zhang, Y-H., Feb 18 2013, In : Applied Physics Letters. 102, 7, 071903.

Research output: Contribution to journalArticle

superlattices
molecular beam epitaxy
optical properties
photoluminescence
temperature
2 Citations (Scopus)

InAs/InAs1_xSbx superlattices on GaSb substrates: A promising material system for mid- and long-wavelength infrared detectors

Steenbergen, E. H., Cellek, O. O., Li, H., Liu, S., Shen, X., Smith, D. & Zhang, Y-H., Nov 5 2013, The Wonder of Nanotechnology: Quantum Optoelectronic Devices and Applications. SPIE, p. 59-83 25 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Nanotechnology
Infrared detectors
Superlattices
Wavelength
Substrates

InAs/InAsSb type-II superlattice infrared nBn photodetectors and their potential for operation at high temperatures

Cellek, O. O., He, Z. Y., Lin, Z. Y., Kim, H. S., Liu, S. & Zhang, Y-H., 2013, Proceedings of SPIE - The International Society for Optical Engineering. Vol. 8631. 86311I

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Superlattices
Quantum Efficiency
Photodetector
Photodetectors
operating temperature
solar cells
costs
parity
energy sources
thin films
66 Citations (Scopus)

Luminescence coupling effects on multijunction solar cell external quantum efficiency measurement

Lim, S. H., Li, J. J., Steenbergen, E. H. & Zhang, Y-H., May 2013, In : Progress in Photovoltaics: Research and Applications. 21, 3, p. 344-350 7 p.

Research output: Contribution to journalArticle

Quantum efficiency
Luminescence
quantum efficiency
solar cells
luminescence

MgF2/ZnS double-layer anti-reflection coating design for ultra-thin GaAs single-junction solar cells

Liu, S. & Zhang, Y-H., 2013, Optics InfoBase Conference Papers. Optical Society of America

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Antireflection coatings
antireflection coatings
Solar cells
solar cells
renewable energy
2 Citations (Scopus)

Molecular beam epitaxial growth of high-reflectivity and broad-bandwidth ZnTe/GaSb distributed Bragg reflectors

Fan, J., Liu, X., Ouyang, L., Pimpinella, R. E., Dobrowolska, M., Furdyna, J. K., Smith, D. & Zhang, Y-H., 2013, In : Journal of Vacuum Science and Technology B:Nanotechnology and Microelectronics. 31, 3, 03C109.

Research output: Contribution to journalArticle

Distributed Bragg reflectors
Molecular beams
Bragg reflectors
Epitaxial growth
molecular beams
2 Citations (Scopus)

Proton radiation effects on the photoluminescence of infrared InAs/InAsSb superlattices

Steenbergen, E. H., Massengale, J. A., Cowan, V. M., Lin, Z., Zhang, Y-H. & Morath, C. P., 2013, Proceedings of SPIE - The International Society for Optical Engineering. Vol. 8876. 887609

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Radiation Effects
Superlattices
Radiation effects
Photoluminescence
radiation effects
14 Citations (Scopus)

Quantitative analysis of strain distribution in InAs/InAs 1-xSbx superlattices

Mahalingam, K., Steenbergen, E. H., Brown, G. J. & Zhang, Y-H., Aug 5 2013, In : Applied Physics Letters. 103, 6, 061908.

Research output: Contribution to journalArticle

strain distribution
quantitative analysis
superlattices
profiles
anions
3 Citations (Scopus)

SiO2/ZnSe anti-reflection coating for solar cells

Liu, S., Becker, J., Farrell, S., Yang, W. & Zhang, Y-H., 2013, Conference Record of the IEEE Photovoltaic Specialists Conference. Institute of Electrical and Electronics Engineers Inc., p. 2105-2108 4 p. 6744889

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Antireflection coatings
Solar cells
Transfer matrix method
Reflectometers
Molecular beam epitaxy
7 Citations (Scopus)

Study of InAs/InAsSb type-II superlattices using high-resolution x-ray diffraction and cross-sectional electron microscopy

Shen, X. M., Li, H., Liu, S., Smith, D. & Zhang, Y-H., 2013, In : Journal of Crystal Growth. 381, p. 1-5 5 p.

Research output: Contribution to journalArticle

Superlattices
Growth temperature
Electron microscopy
superlattices
electron microscopy
4 Citations (Scopus)

The influence of growth conditions on carrier recombination mechanisms in 1.3 μm GaAsSb/GaAs quantum well lasers

Hossain, N., Hild, K., Jin, S. R., Yu, S. Q., Johnson, S., Ding, D., Zhang, Y-H. & Sweeney, S. J., Jan 28 2013, In : Applied Physics Letters. 102, 4, 041106.

Research output: Contribution to journalArticle

quantum well lasers
threshold currents
quantum wells
current density
room temperature
7 Citations (Scopus)

Ultra-thin GaAs single-junction solar cells integrated with an AlInP layer for reflective back scattering

Yang, W., Becker, J., Kuo, Y. S., Li, J. J., Liu, S., Landini, B., Campman, K. & Zhang, Y-H., 2013, Conference Record of the IEEE Photovoltaic Specialists Conference. Institute of Electrical and Electronics Engineers Inc., p. 3329-3332 4 p. 6745163

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Short circuit currents
Solar cells
Current density
Scattering
Conversion efficiency
2012
1 Citation (Scopus)

Accurate measurement of the external quantum efficiency of multi-junction solar cells

Li, J. J. & Zhang, Y-H., 2012, CLEO: Science and Innovations, CLEO_SI 2012.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Bias voltage
Quantum efficiency
Multi-junction solar cells
1 Citation (Scopus)

Accurate measurement of the external quantum efficiency of multi-junction solar cells

Li, J. J. & Zhang, Y-H., 2012, 2012 Conference on Lasers and Electro-Optics, CLEO 2012. 6325431

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Bias voltage
Quantum efficiency
Multi-junction solar cells
3 Citations (Scopus)

Aluminum diffusion in ZnTe films grown on GaSb substrates for n-type doping

Dinezza, M. J., Zhang, Q., Ding, D., Fan, J., Liu, X., Furdyna, J. K. & Zhang, Y-H., Aug 2012, In : Physica Status Solidi (C) Current Topics in Solid State Physics. 9, 8-9, p. 1720-1723 4 p.

Research output: Contribution to journalArticle

aluminum
mass spectrometers
luminescence
homojunctions
photovoltaic effect
12 Citations (Scopus)

A novel method to eliminate the measurement artifacts of external quantum efficiency of multi-junction solar cells caused by the shunt effect

Li, J. J., Lim, S. H. & Zhang, Y-H., 2012, Proceedings of SPIE - The International Society for Optical Engineering. Vol. 8256. 825616

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Quantum Efficiency
shunts
Solar Cells
Quantum efficiency
artifacts
7 Citations (Scopus)

Approaching single-junction theoretical limit using ultra-thin GaAs solar cells with optimal optical designs

Liu, S., Ding, D., Johnson, S. & Zhang, Y-H., 2012, Conference Record of the IEEE Photovoltaic Specialists Conference. p. 2082-2087 6 p. 6318008

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Optical design
Solar cells
Light reflection
Open circuit voltage
Short circuit currents
5 Citations (Scopus)

Cavity mode gain alignment in GaAsSb-based near-infrared vertical cavity lasers studied by spectroscopy and device measurements

Blume, G., Hild, K., Marko, I. P., Hosea, T. J. C., Yu, S. Q., Chaparro, S. A., Samal, N., Johnson, S., Zhang, Y-H. & Sweeney, S. J., Aug 2012, In : Journal of Applied Physics. 112, 3, 033108.

Research output: Contribution to journalArticle

laser cavities
alignment
surface emitting lasers
cavities
spectroscopy
3 Citations (Scopus)

CdSe/CdTe type-II superlattices grown on GaSb (001) substrates by molecular beam epitaxy

Li, J. J., Liu, X., Liu, S., Wang, S., Smith, D., Ding, D., Johnson, S., Furdyna, J. K. & Zhang, Y-H., Mar 19 2012, In : Applied Physics Letters. 100, 12, 121908.

Research output: Contribution to journalArticle

superlattices
molecular beam epitaxy
photoluminescence
optoelectronic devices
envelopes
21 Citations (Scopus)

Characterization of Bi2Te3 and Bi2Se 3 topological insulators grown by MBE on (001) GaAs substrates

Liu, X., Smith, D., Cao, H., Chen, Y. P., Fan, J., Zhang, Y-H., Pimpinella, R. E., Dobrowolska, M. & Furdyna, J. K., 2012, In : Journal of Vacuum Science and Technology B:Nanotechnology and Microelectronics. 30, 2, 02B103.

Research output: Contribution to journalArticle

Molecular beam epitaxy
insulators
Reflection high energy electron diffraction
Epitaxial films
Substrates

Elimination of artifacts in external quantum efficiency measurements for multijunction solar cells using a pulsed light bias

Li, J. J. & Zhang, Y-H., 2012, Conference Record of the IEEE Photovoltaic Specialists Conference. PART 2 ed. 2216512

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Quantum efficiency
Bias voltage
Luminescence
Multi-junction solar cells

Growth and material properties of ZnTe/GaSb heterostructures for optoelectronic device applications

Liu, X., Furdyna, J. K., Fan, J., Ouyang, L., Smith, D., Ding, D. & Zhang, Y-H., 2012, 2012 Symposium on Photonics and Optoelectronics, SOPO 2012. 6271134

Research output: Chapter in Book/Report/Conference proceedingConference contribution

High resolution electron microscopy
Molecular beam epitaxy
Optoelectronic devices
Heterojunctions
Structural properties
5 Citations (Scopus)

InAs/InAsSb Type-II superlattice: A promising material for mid-wavelength and long-wavelength infrared applications

Cellek, O. O., Li, H., Shen, X. M., Lin, Z., Steenbergen, E. H., Ding, D., Liu, S., Zhang, Q., Kim, H. S., Fan, J., Dinezza, M. J., Dettlaff, W. H. G., Webster, P. T., He, Z., Li, J. J., Johnson, S., Smith, D. & Zhang, Y-H., 2012, Proceedings of SPIE - The International Society for Optical Engineering. SPIE, Vol. 8353. 83533F

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Superlattices
Photoluminescence
Structural Properties
Structural properties
Infrared