Publications
Highlights
Electron-phonon Interactions
Quantum Dot NIR LEDs
2022
Mechanical Study of Perovskite Solar Cells: Opportunities and Challenges for Wearable Power Source
S. Seong, Y. Liu, X. Gong
Optical Materials Express, , (2022) [HTML]
2021
High-frequency and intrinsically stretchable polymer diodes
N. Matsuhisa*, S. Niu*, S. JK O’Neill, J. Kang, Y. Ochiai, T. Katsumata, H.-C. Wu, M. Ashizawa, G.-J. N. Wang, D. Zhong, X. Wang, X. Gong, R. Ning, H. Gong, I. You, Y. Zheng, Z. Zhang, J. B.-H. Tok, X. Chen, Z. Bao
Nature (2021), 600, 2021 [HTML]
Reply to: Perovskite decomposition and missing crystal planes in HRTEM
Z. Ning*, X. Gong*, R. Comin*, G. Walters, F. Fan, O. Voznyy, E. Yassitepe, A. Buin, S. Hoogland and E. H. Sargent
Nature, 594, E8–E9 (2021) [HTML]
Efficient Tandem Quantum‐Dot LEDs Enabled by An Inorganic Semiconductor‐Metal‐Dielectric Interconnecting Layer Stack
Qianqian Wu, Xiwen Gong, Dewei Zhao, Yong‐Biao Zhao, Fan Cao, Haoran Wang, Sheng Wang, Jianhua Zhang, Rafael Quintero‐Bermudez, Edward H Sargent, Xuyong Yang
Advanced Materials, 2108150 (2021) [HTML]
2020
X. Gong, E. H. Sargent
Matter, 3, 602–622 (2020) [HTML]
A Multi-functional Molecular Modifier Enabling Efficient Large-Area Perovskite Light-Emitting Diodes
H. Wang*, X. Gong*, D. Zhao*, Y.-B. Zhao*, S. Wang, J. Zhang, L. Kong, B. Wei, R. Quintero-Bermudez, O. Voznyy, Y. Shang, Z. Ning, Y. Yan, E. H. Sargent, X. Yang
Joule, 4, 1–11 (2020) [HTML]
2019
Contactless Measurements of Photocarrier Transport Properties in Perovskite Single Crystals
X. Gong*, Z. Huang*, R. Sabatini, C.-S. Tan, G. Bappi, G. Walters, A. Proppe, M. I. Saidaminov, O. Voznyy, S. O. Kelley, E. H. Sargent
Nature Communications 10, 1591 (2019) [HTML]
In Situ Back‐Contact Passivation Improves Photovoltage and Fill Factor in Perovskite Solar Cells
F. Tan, H. Tan, M. I. Saidaminov, M. Wei, M. Liu, A.Mei, P. Li, B. Zhang, C.‐S. Tan, X. Gong, Y. Zhao, A. R. Kirmani, Z. Huang, J. Z. Fan, R. Quintero‐Bermudez, J. Kim, Y. Zhao, O. Voznyy, Y. Gao, F. Zhang, L. J. Richter, Z.‐H. Lu, W. Zhang, E. H. Sargent
Advanced Materials 31, 1807435 (2019) [HTML]
Halogen Vacancies Enable Ligand‐Assisted Self‐Assembly of Perovskite Quantum Dots into Nanowires
J. Pan*, X. Li*, X. Gong*, J. Yin, D. Zhou, L. Sinatra, R. Huang, J. Liu, J. Chen, I. Dursun, A. M. El-Zohry, M. Saidaminov, H.T. Sun, O. F. Mohammed, C. Ye, E. H. Sargent, O. Bakr
Angewandte Chemie 131, 16223-16227 (2019) [HTML]
2018
Perovskite Light-emitting Diodes with External Quantum Efficiency Exceeding 20 Per Cent
K. Lin, J. Xing, L. N. Quan, F. P. García de Arquer, X. Gong, J. Lu, L. Xie, W. Zhao, D. Zhang, C. Yan, W. Li, X. Liu, Y. Lu, J. Kirman, E. H. Sargent, Q. Xiong, Z. Wei
Nature, 562, 245–248(2018) [HTML] | News Coverage: [Physics World; Nature Asia]
Electron–phonon Interaction in Efficient Perovskite Blue Emitters
X. Gong, O. Voznyy, A. Jain, W. Liu, R. Sabatini, Z. Piontkowski, G. Walters, G. Bappi, S. Nokhrin, O. Bushuyev, M. Yuan, R. Comin, D. McCamant, S. O. Kelley, E. H. Sargent
Nature Materials 17, 550–556(2018) [HTML] | News Coverage: [Physics World]
Bright Colloidal Quantum Dot Light-emitting Diodes Enabled by Efficient Chlorination
X. Li, Y. Zhao, F. Fan, L. Levina, M. Liu, R. Quintero-Bermudez, X. Gong, L. Quan, J. Fan, Z. Yang , S. Hoogland, O. Voznyy, Z.Lu, E. H. Sargent
Nature Photonics, 12, 159–164 (2018) [HTML]
Spin Control in Reduced-dimensional Chiral Perovskites
G. Long, C. Jiang, R. Sabatini, Z. Yang, M. Wei, L. Quan, Q. Liang, A. Rasmita, M. Askerka, G. Walters, X. Gong, J. Xing, X. Wen, R. Quintero-Bermudez, H. Yuan, G. Xing, X. R. Wang, D. Song, O. Voznyy, M. Zhang, S. Hoogland, W. Gao, Q. Xiong, E. H. Sargent
Nature Photonics, 12, 528–533 (2018) [HTML]
Color-stable Highly Luminescent Sky-blue Perovskite Light-emitting Diodes
J. Xing, Y. Zhao, M. Askerka, L. N. Quan, X. Gong, W. Zhao, J. Zhao, H. Tan, G. Long, L. Gao, Z. Yang, O. Voznyy, J. Tang, Z.-H. Lu, Q. Xiong, E. H. Sargent
Nature Communications, 9, 3541 (2018) [HTML]
Perovskite Seeding Growth of Formamidinium-lead-iodide-based Perovskites for Efficient and Stable Solar Cells
Y. Zhao, H. Tan, H. Yuan, Z. Yang, J. Fan, J. Kim , O. Voznyy, X. Gong, L. Quan, C. Tan, J. Hofkens, D. Yu, Q. Zhao, E. H. Sargent
Nature Communications, 9, 1607 (2018) [HTML]
2017
Field-emission from Quantum-dot-in-perovskite Solids
F. P. Garcia de Arquer*, X. Gong*, M. Liu, G. Kim, B. R. Sutherland, R. Comin, O. Voznyy, S. Hoogland, D. Sinton and E. H. Sargent,
Nature Communications, 8, 14757 (2018) [HTML]
Nano Focus: Electron Diffraction Enables Localization of Hydrogen Atoms in Nanocrystals
X. Gong
MRS Bulletin (News Article) 42, 243 (2017) [HTML]
2016
Nature Photonics, 10, 253-257 (2016) [HTML] |News Coverage: [nanotechweb.org, chembites]
Crosslinked Remote‐doped Hole‐extracting Contacts Enhance Stability Under Accelerated Lifetime Testing in Perovskite Solar Cells
J. Xu, O. Voznyy, R. Comin, X. Gong, G. Walters, M. Liu, P. Kanjanaboos, X. Lan, E. H. Sargent
Advanced Materials 28, 2807-2815 (2016) [HTML]
Amine‐free Synthesis of Cesium Lead Halide Perovskite Quantum Dots for Efficient Light‐emitting Diodes
E. Yassitepe, Z. Yang, O. Voznyy, Y. Kim, G. Walters, J. Castaneda, P. Kanjanaboos, M. Yuan, X. Gong, F. Fan, J. Pan, S. Hoogland, R. Comin, O. Bakr, L. Padilha, A. Nogueira, E. H. Sargent
Advanced Functional Materials, 15 (11), 7539-7543 (2016) [HTML]
Lattice Dynamics and the Nature of Structural Transitions in Organolead Halide Perovskites
R. Comin, M. Crawford, A. Said, N. Herron, W. Guise, X. Wang, P. S. Whiteld, A. Jain, X. Gong, A. McGaughey, E. H. Sargent
Physical Review B, 9 (94), 094301 (2016) [HTML]
2015
Quantum-dot-in-perovskite Solids
Z. Ning*, X. Gong*, R. Comin*, G. Walters, F. Fan, O. Voznyy, E. Yassitepe, A. Buin, S. Hoogland and E. H. Sargent
Nature, 523, 324–328 (2015) [HTML] |News Coverage: [University of Toronto; Science World Report, IEEE Spectrum, Optics and Photonics, Phy.Org]
Colloidal quantum dot photovoltaics enhanced by perovskite shelling
Z. Yang, A. Janmohamed, X. Lan, F. P. Garcia de Arquer, O. Voznyy, E. Yassitepe, G. Kim, Z. Ning, X. Gong, R. Comin, E. H. Sargent
Nano Letters, 15 (11), 7539-7543 (2015) [HTML]
ACS applied materials & interfaces, 7 (45), 25007-25013 (2015) [HTML]