Publications
2018
69. Jiaqi He, Lu Zhang, Dawei He*, Yongsheng Wang*, Zhiyi He, and Hui Zhao, Ultrafast Transient Absorption Measurements of Photocarrier Dynamics in Monolayer and Bulk ReSe2, Optics Express (accepted, 2018).
68. Samuel D. Lane and Hui Zhao*, Unipolar Optical Doping and Extended Photocarrier Lifetime in Graphene by Band Aliognment Engineering, Nano Futures 2, 035003 (2018). [Full text, copyright IOP]
Altmetric: 38 (97%); News: Materials Today; PV Magezine; Science Daily; Nano Werk; Eurek Alert; KU News Release.
67. Matthew Z. Bellus, Masoud Mahjouri-Samani, Samuel D. Lane, Akinola D. Oyedele, Xufan Li, Alexander A. Puretzky, David Geohegan, Kai Xiao, and Hui Zhao*, Photocarrier Transfer Across Monolayer MoS2-MoSe2 Lateral Heterojunctions, ACS Nano, DOI: 10.1021/acsnano.8b02843 (2018). [Full text, copyright ACS]
66. Peymon Zereshki, Yaqing Wei, Frank Ceballos, Matthew Z. Bellus, Samuel D. Lane, Shudi Pan, Run Long*, and Hui Zhao*, Photocarrier Dynamics in Monolayer Phosphorene and Bulk Black Phosphorus, Nanoscale 10, 11307-11313. [Full text, copyright RSC]
65. Ming Li, Matthew Z. Bellus, Jun Dai, Liang Ma, Xiuling Li, Hui Zhao*, and Xiao Cheng Zeng*, A Type-I van der Waals Heterobilayer of WSe2/MoTe2, Nanotechnology 29, 335203 (2018). [Full text, copyright IOP].
64. Siqi Zhao, Dawei He, Jiaqi He, Xinwu Zhang, Lixin Yi, Yongsheng Wang*, and Hui Zhao*, Probing Excitons in Transition Metal Dichalcogenidesby Drude-Like Exciton Intraband Absorption, Nanoscale 10, 9538-9546 (2018). [Full text, copyright RSC]
2017
63. Yuanyuan Li, Qingfeng Liu, Qiannan Cui, Zeming Qi*, Judy Z. Wu, and Hui Zhao*, Effect of Rhenium Dopants on Photocarrier Dynamics and Optical Properties of Monolayer, Few-Layer, and Bulk MoS2, Nanoscale 9, 19360-19366 (2017). [Full text, copyright RSC]
62. Yuanyuan Li, Qiannan Cui, Frank Ceballos, Samuel D. Lane, Zeming Qi*, and Hui Zhao*, Ultrafast Interlayer Electron Transfer in Incommensurate Transition Metal Dichalcogenide Homo-bilayers, Nano Letters 17, 6661. [Full text, copyright ACS]
61. Tika R. Kafle, Bhupal Kattel, Samuel D. Lane, Ti Wang, Hui Zhao, and Wai-Lun Chan*, Charge Transfer Exciton and Spin Flipping at Organic-Transition Metal Dichalcogenide Interfaces, ACS Nano 11, 10184-10192 (2017). [Full text, copyright ACS]
60. Xinwu Zhang, Dawei He, Lixin Yi*, Siqi Zhao, Jiaqi He, Yongsheng Wang*, and Hui Zhao, Electron Dynamics in MoS2-Graphite Heterostructures, Nanoscale 9, 14533 (2017). [Full text, copyright RSC]
59. Frank Ceballos, Peymon Zereshki, and Hui Zhao*, Separating Electrons and Holes by Monolayer Increments in van der Waals Heterostructures, Physical Review Materials 1, 044001 (2017). [Full text, copyright APS].
58. Eric E. Hroblak, Alessandro Principi, Hui Zhao, and Giovanni Vignale*, Electrically Induced Charge-Density Waves in a Two-Dimensional Electron Liquid: Effects of Negative Electronic Compressibility, Physical Review B 96, 075422 (2017). [Full text, copyright APS].
57. Qiannan Cui, Rodrigo A. Muniz, John E. Sipe, and Hui Zhao*, Strong and Anisotropy Third Harmonic Generation in Monolayer ReS2, Physical Review B 95, 165406 (2017). [Full text, copyright APS]
56. Matthew Z. Bellus, Zhibin Yang, Jianhua Hao, Shu Ping Lau*, and Hui Zhao*, Amorphous Two-Dimensional Black Phosphorus with Exceptional Photocarrier Transport Properties, 2D Materials 4, 025063 (2017). [Full text, copyright IOP]
55. Frank Ceballos, Ming-Gang Ju, Samuel D. Lane, Xiao Cheng Zeng*, and Hui Zhao*, Highly Efficient and Anomalous Charge Transfer in van der Waals Trilayer Semiconductors, Nano Letters 17, 1623-1628 (2017). [Full text, copyright ACS]
Altmetric: 75 (96%). News: NSF News From the Field (Frontpage image); ZAP; ECN; Health Madicine Network; Science Alert; Nano Werk; Eurek Alert; Phys.org; KU News Release
54. Jiaqi He, Dawei He, Yongsheng Wang*, and Hui Zhao*, Probing Effect of Electric Field on Photocarrier Transfer in Graphene-WS2 van der Waals Heterostructures, Optics Express 25, 1949-1957 (2017). [Full text, copyright OSA]
53. Frank Ceballos and Hui Zhao*, Ultrafast Laser Spectroscopy of Two-Dimensional Materials Beyond Graphene (Feature Article), Advanced Functional Materials 27, 1604509 (2017). [Full Text, copyright John Wiley & Sons]
52. Xufan Li, Alexander A. Puretzky, Xiahan Sang, Santosh KC, Mengkun Tian, Frank Ceballos, Masoud Mahjouri-Samani, Kai Wang, Raymond R. Unocic, Hui Zhao, Christopher M. Rouleau, David B. Geohegan, Kai Xiao*, Suppression of Defects and Deep Levels Using Isoelectronic Tungsten Alloying in Monolayer MoSe2 (Cover Story), Advanced Functional Material 27, 1603805 (2017). [Full Text, copyright John Wiley & Sons]
51. Shudi Pan, Frank Ceballos, Matthew Z. Bellus, Peymon Zereshki, and Hui Zhao*, Ultrafast Charge Transfer Between MoTe2 and MoS2 Monolayers, 2D Materials 4, 015033 (2017). [Full text, copyright IOP]
50. Matthew Z. Bellus, Ming Li, Samuel D. Lane, Frank Ceballos, Qiannan Cui, Xiao Cheng Zeng*, and Hui Zhao*, Type-I van der Waals heterostructure Formed by MoS2 and ReS2 Monolayers (Cover Story), Nanoscale Horizons, 2, 31-36 (2017). [Full text, copyright RSC]
Altmetic: 61 (96%); News: I4U News; Photonics.com; Lab Manager; Phys.org; Controlled Enviroment; Nano Werk; News Wise; KU News Release.
2016
49. Zhong Lin, Amber McCreary, Natalie Briggs, Shruti Subramanian, Kehao Zhang,Yifan Sun, Xufan Li, Nicholas J. Borys, Hongtao Yuan, Susan K. Fullerton-Shirey, Alexey Chernikov, Hui Zhao, Stephen McDonnel, Aaron M Lindenberg, Kai Xiao, Brian J LeRoy, Marija Drndić, James C. M. Hwang, Jiwoong Park, Manish Chhowalla, Raymond E. Schaak, Ali Javey, Mark C Hersam, Joshua Robinson, Mauricio Terrones*, 2D Materials Advances: From Large Scale Synthesis and Controlled Heterostructures to Improved Characterization Techniques, Defects and Applications, 2D Materials 3, 042001 (2016). [Full text, copyright IOP]
48. Hui Zhao, Nonlinear Optical Experiments on Graphene, Chapter 6 of Optical Properties of Graphene, Edited by Rolf Binder, World Scientific (2016).
47. Qiannan Cui, Alexey Lipatov, Jamie Wilt, Matthew Z. Bellus, Xiao-Cheng Zeng, Judy Wu, Alexander Sinitskii*, and Hui Zhao*, Time-Resolved Measurements of Photocarrier Dynamics in TiS3 Nanoribbons, ACS Applied Materials & Interfaces 8, 18334 (2016) [Full text, copyright ACS].
46. Kai Wang*, Bing Huang, Mengkun Tian, Frank Ceballos, Ming-Wei Lin Masoud Mahjouri-Samani, Abdelaziz Boulesbaa, Alexander Puretzky, Christopher Rouleau, Mina Yoon, Hui Zhao, Kai Xiao, Gerd Duscher, and David Geohegan*, Interlayer Coupling in Twisted WSe2/WS2 Bilayer Heterostructures Revealed by Optical Spectroscopy, ACS Nano 10, 6612-6622 (2016). [Full text, copyright ACS]
45. Frank Ceballos, Qiannan Cui, Matthew Z. Bellus, and Hui Zhao*, Exciton Formation in Monolayer Transition Metal Dichalcogenides, Nanoscale 8, 11681-11688 (2016). [Full text, copyright RSC]
2015
44. Jiaqi He, Dawei He, Yongsheng Wang*, and Hui Zhao*, Photocarrier Dynamics in Transition Metal Dichalcogenide Alloy Mo0.5W0.5S2, Optics Express 23, 33370-33377 (2015). [Full text, copyright OSA]
43. Frank Ceballos, Matthew Z. Bellus, Hsin-Ying Chiu, and Hui Zhao*, Probing Charge Transfer Excitons in a MoSe2-WS2 van der Waals Heterostructure, Nanoscale 7, 17523-17528 (2015). [Full text, copyright RSC]
42. Qiannan Cui, Jiaqi He, Matthew Z. Bellus, Mirzojamhed Mirzokarimov, Tino Hofmann, Hsin-Ying Chiu, Matthew Antonik, Dawei He, Yongsheng Wang*, and Hui Zhao*,Transient Absorption Measurements on Anisotropic Monolayer ReS2, Small 11, 5565-5571 (2015). [Full Text, copyright John Wiley & Sons]
41. Matthew Z. Bellus, Frank Ceballos, Hsin-Ying Chiu*, and Hui Zhao*, Tightly Bound Trions in Transition Metal Dichalcogenide Heterostructures, ACS Nano 9, 6459-6464 (2015). [Full text, copyright ACS]
40. Jiaqi He, Dawei He, Yongsheng Wang*, Qiannan Cui, Matthew Z. Bellus, Hsin-Ying Chiu, and Hui Zhao*, Exceptional and Anisotropic Transport Properties of Photocarriers in Black Phosphorus, ACS Nano 9, 6436-6442 (2015). [Full text, copyright ACS]
39. Jiaqi He, Dawei He, Yongsheng Wang*, Qiannan Cui, Frank Ceballos, and Hui Zhao*, Spatiotemporal Dynamics of Excitons in Monolayer and Bulk WS2, Nanoscale 7, 9526-9531 (2015). [Full Text, copyright RSC]
38. Maogang Gong, Tejas A. Shastry, Qiannan Cui, Ryan R. Kohlmeyer, Kyle A. Luck, Andrew Rowberg, Tobin J. Mark, Michael F. Durstock, Hui Zhao, Mark C. Hersam, and Shenqiang Ren*, Understanding Charge Transfer in Carbon Nanotube-Fullerene Bulk Heterojunctions, ACS Applied Materials & Interfaces 7, 7428-7435 (2015). [Full Text, copyright ACS]
37. Qiannan Cui and Hui Zhao*, Coherent Control of Nanoscale Ballistic Currents in Transition Metal Dichalcogenide ReS2, ACS Nano 9, 3935-3941 (2015). [Full text, copyright ACS]
2014
36. Jiaqi He, Nardeep Kumar, Matthew Z. Bellus, Hsin-Ying Chiu, Dawei He, Yongsheng Wang*, and Hui Zhao*, Electron Transfer and Coupling in Graphene-Tungsten Disulfide van der Waals Heterostructures, Nature Communications 5, 5622 (2014). [Full text, copyright NPG]
Altmetric: 79 (98%); News: NSF News from the Field (Frontpage Image); Controlled Enviroment; R&D Magezine; Science Daily; Phys.org; Eurek Alert; Nanotechnology Now; KU News Release.
35. Frank Ceballos, Matthew Z. Bellus, Hsin-Ying Chiu*, and Hui Zhao*, Ultrafast Charge Separation and Indirect Exciton Formation in a MoS2-MoSe2 van der Waals Heterostructure, ACS Nano 8, 12717-12724 (2014). [Full text, copyright ACS]
34. Nardeep Kumar, Jiaqi He, Dawei He, Yongsheng Wang*, and Hui Zhao*, Valley and Spin Dynamics in MoSe2 Two-Dimensional Crystals, Nanoscale 6, 12690 (2014). [Full text, copyright RSC]
33. Keliang He, Nardeep Kumar, Liang Zhao, Zefang Wang, Kin Fai Mak, Hui Zhao, and Jie Shan, Tightly Bound Excitons in Monolayer WSe2, Physical Review Letters 113, 026803 (2014). [Full text, copyright APS]
ESI Hot Paper (Top 0.1%).
32. Qiannan Cui, Frank Ceballos, Nardeep Kumar, and Hui Zhao*, Transient Absorption Microscopy of Monolayer and Bulk WSe2, ACS Nano 8, 2970-2976 (2014). [Full text, copyright ACS]
Altmetric: 14 (91%); News: Phys.org; Nano Werk; KU News Release.
31. Nardeep Kumar, Qiannan Cui, Frank Ceballos, Dawei He, Yongsheng Wang* and Hui Zhao*, Exciton Diffusion in Monolayer and Bulk MoSe2, Nanoscale 6, 4915-4949 (2014). [Full text, copyright RSC]
30. Nardeep Kumar, Qiannan Cui, Frank Ceballos, Dawei He, Yongsheng Wang*, Hui Zhao*, Exciton-Exciton Annihilation in MoSe2 Monolayers, Physical Review B 89, 125427 (2014). [Full text, copyright APS]
ESI Highly Cited Paper (Top 1%).
29. Hui Zhao, Second Harmonic Microscopy Allows the Detection of Single Atomic Layers, SPIE Newsroom, DOI: 10.1117/2.1201401.005262 (2014). [Full Text, copyright SPIE]
28. Rui Wang,Hui-Chun Chien, Jatinder Kumar, Nardeep Kumar, Hsin-Ying Chiu*, and Hui Zhao*, Third-Harmonic Generation in Ultrathin Films of MoS2, ACS Applied Materials & Interfaces 6, 314-318 (2014). [Full Text, copyright ACS]
2013
27. Rui Wang, Paul Jacobs, Hui Zhao, and Arthur L. Smirl*, Quantum Interference and Control of the Dynamic Franz-Keldysh Effect: Generation and Detection of Terahertz Space-Charge, Applied Physics Letters 102, 251110 (2013). [Full Text, copyright APS]
26. Caitlin Rochford, Nardeep Kumar, Jianwei Liu, Hui Zhao, and Judy Wu*, All-optical Technique to Correlate Defect Structure and Carrier Transport in Transferred Graphene Films, ACS Applied Materials & Interfaces 5, 7176-7180 (2013). [Full Text, copyright ACS]
25. Maogang Gong, Alec Kirkeminde, Nardeep Kumar, Hui Zhao, and Shenqiang Ren*, Ionic-Passivated FeS2 Photocapacitors for Energy Conversion and Storage, Chemical Communications 49, 9260-9262 (2013). [Full Text, copyright RSC]
24. Nardeep Kumar, Sina Najmaei, Qiannan Cui, Frank Ceballos, Pulickel M. Ajayan, Jun Lou, and Hui Zhao*, Second Harmonic Microscopy of Monolayer MoS2, Physical Review B 87, 161403(R) (2013). [Full Text, copyright APS] [Rapid Communication] [Editor's Suggestion]
ESI Highly Cited Paper (Top 1%).
23. Nardeep Kumar, Jatinder Kumar, Chris Gerstenkorn, Rui Wang, Hsin-Ying Chiu, Arthur L. Smirl, and Hui Zhao*, Third Harmonic Generation in Graphene and Graphite Thin Films, Physical Review B 87, 121406(R) (2013). [Full Text, copyright APS] [Rapid Communication]
22. Nardeep Kumar, Jiaqi He, Dawei He, Yongsheng Wang*, and Hui Zhao*, Charge Carrier Dynamics in Bulk MoS2 Crystal Studied by Transient Absorption Microscopy, Journal of Applied Physics 113, 133702 (2013). [Full Text, copyright AIP]
2012
21. Brian A. Ruzicka, Rui Wang, Jessica Lohrman, Shenqiang Ren*, and Hui Zhao*, Exciton Diffusion in Semiconducting Single-Walled Carbon Nanotubes Studied by Transient Absorption Microscopy, Physical Review B 86, 205417 (2012). [Full Text, copyright APS]
20. Rui Wang, Brian A. Ruzicka, Nardeep Kumar, Matthew Z. Bellus, Hsin-Ying Chiu*, and Hui Zhao*, Ultrafast and Spatially Resolved Studies of Charge Carriers in Atomically-Thin Molybdenum Disulfide, Physical Review B 86, 045406 (2012). [Full Text, copyright APS]
19. Brian A. Ruzicka, Shuai Wang, Jianwei Liu, Kian-Ping Loh, Judy Z. Wu, and Hui Zhao*, Spatially Resolved Pump-Probe Study of Single-Layer Graphene Produced by Chemical Vapor Deposition [Invited], Optics Materials Express 2, 708 (2012). [Full Text, copyright OSA]
18. Brian A. Ruzicka, Lalani K. Werake, Guowei Xu, Jacob B. Khurgin, E. Ya. Sherman, Judy Z. Wu, and Hui Zhao*, Second-Harmonic Generation induced by Electric Currents in GaAs, Physical Review Letters 108, 077403 (2012). [Full Text, copyright APS]
Featured in Physics Today (Frequency-Doubled Photons can Measure Current Density, March of 2012); Featured in Physics-Uspekhi (Vol. 55, Issue 4) as Physics News: Detection of Electric Currents in GaAs Based on Second-Harmonic Generation).
17. Alec Kirkeminde, Brian A. Ruzicka, Rui Wang, Sarah Puna, Hui Zhao, and Shenqiang Ren*, Synthesis and Optoelectronic Properties of Two-Dimensional FeS2 Nanoplates, ACS Applied Materials & Interfaces 4, 1174 (2012). [Full Text, copyright ACS]
16. Brian A. Ruzicka and Hui Zhao*, Optical Studies of Ballistic Currents in Semiconductors [Invited], Journal of the Optical Society of America B 29, A43 (2012). [Full Text, copyright OSA]
2011
15. Nardeep Kumar, Brian A. Ruzicka, Nicholas P. Butch, P. Syers, K. Kirshenbaum, Johnpierre Paglione,and Hui Zhao*, Spatially Resolved Femtosecond Pump-Probe Study of Topological Insulator Bi2Se3, Physical Review B 83, 235306 (2011). [Full Text, copyright APS] (Selected as Editor's Suggestions).
14. Brian A. Ruzicka, Nardeep Kumar, Shuai Wang, Kian-Ping Loh, and Hui Zhao*, Two-Probe Study of Hot Carriers in Reduced Graphene Oxide, Journal of Applied Physics 109, 084322 (2011). [Full Text, copyright AIP]
13. Lalani K. Werake, Brian A. Ruzicka,and Hui Zhao*, Observation of Intrinsic Inverse Spin Hall Effect, Physical Review Letters,106, 107205 (2011). [Full Text, copyright APS]
Featured in Physical Review Focus (Electrons Curve without Help,02/25/2011) and MRS News.
2010
12. Brian A. Ruzicka, Lalani K. Werake, Hassama Samassekou, and Hui Zhao*, Ambipolar Diffusion of Photoexcited Carriers in Bulk GaAs, Applied Physics Letters 97, 262119 (2010). [Full Text, copyright AIP]
11. Hui Zhao and Arthur L. Smirl*, Injection and Detection of Ballistic Electrical Currents in Silicon, Applied Physics Letters 97, 212106 (2010). [Full Text, copyright AIP]
10. Brian A. Ruzicka, Shuai Wang, Lalani K. Werake, Ben Weintrub, Kian-Ping Loh, and Hui Zhao*, Hot Carrier Diffusion in Graphene, Physical Review B 82, 195414 (2010). [Full Text, copyright APS]
9. Eric J. Loren, Hui Zhao, and Arthur L. Smirl*, All-Optical Injection and Detection of Ballistic Charge Currents in Germanium, Journal of Applied Physics 108, 083111 (2010). [Full Text, copyright AIP]
8. Lalani K. Werake and Hui Zhao*, Observation of Second-Harmonic Generation Induced by Pure Spin Currents, Nature Physics 6, 875 2010. [Full Text]
Featured in NSF News From the Field.
7. Brian A. Ruzicka, Lalani K. Werake, Hui Zhao*, Shuai Wang, and Kian-Ping Loh, Femtosecond Pump-Probe Studies of Reduced Graphene Oxide Thin Films, Applied Physics Letters 96, 173106 (2010).[Full Text, copyright AIP]
2009
6. Eric J. Loren, Brian A. Ruzicka, Lalani K. Werake, Hui Zhao, Henry M. van Driel, and Arthur L.Smirl*, Optical Injection and Detection of Ballistic Pure Spin Currents in Ge, Applied Physics Letters 95, 092107 (2009).[full text, copyright AIP]
5. Brian A. Ruzicka and Hui Zhao*, Power Dependence of Pure Spin Current Injection by Quantum Interference. Physical Review B 79, 155204 (2009).[full text, copyright APS]
4. Hui Zhao, Matthew Mower, and Giovanni Vignale, Ambipolar Spin Diffusion and D'yakonov-Perel' Spin Relaxation in GaAs Quantum Wells. Physical Review B 79, 115321 (2009).[full text, copyright APS]
2008
3. Brian A. Ruzicka, Karl Higley, Lalani K. Werake, and Hui Zhao*, All-Optical Generation and Detection of Subpicosecond AC Spin-Current Pulses in GaAs, Physical Review B 78, 045314 (2008).[full text, copyright APS]
Selected as Editor's Suggestions.
2. Hui Zhao, Temperature Dependence of Ambipolar Diffusion in Silicon-On-Insulator, Applied Physics Letters 92, 112104 (2008).[full text, copyright AIP]
1. Hui Zhao, Eric J. Loren, Arthur L. Smirl*, and Henry M. van Driel, Dynamics of Charge Current Injected in GaAs by Quantum Interference, Journal of Applied Physics 103, 053510 (2008). [full text, copyright APS]