Stefaan De Wolf
KAUST,Thuwal, Saudi Arabia,Belgian
Stefaan De Wolf's expertise lies in the science and technology of photovoltaics for terrestrial applications. His research focuses on the fabrication of high-efficiency silicon-based solar cells, with specific attention to the fundamental understanding of interface structures and electrical contact formation, relevant to solar cells and electronic devices.
Abstract for Presentation
Outdoor stability of perovskite/silicon tandem solar cells
In the presentation I will discuss the multiple ways how monolithic perovskite/silicon can be fabricated, built from textured silicon heterojunction solar cells, with an emphasis on solution processing of the perovskite top cell . Bulk and contact passivation of the perovskite are instrumental to obtain a high performance, which can be obtained through molecular additive engineering [2,3,4]. This will be followed by a discussion about the outdoor performance of such tandems and the need for robust and perovskite-compatible encapsulation to do so . I will then move on to discuss reliability aspects of such tandems under accelerated degradation tests such as damp-heat testing, as well as possible mechanical failure due to top-contact delamination . I will conclude my talk with arguing how bifacial perovskite/silicon tandems aid in improved performance as well as stability, thanks to their reliance on narrow-bandgap perovskites for optimal performance .
 Y. Hou. E Aydin, M. De Bastiani, C. Xiao, F.H. Isikgor, D.-J. Xue, B. Chen, H. Chen, B. Bahrami, A.H. Chowdury, A. Johnston, S.-W. Baek, Z. Huang, M. Wei, Y. Dong, J. Troughton, R. Jalmood, A.J. Mirabelli, T. Allen, E. Van Kerschaver, M.I. Saidaminov, D. Baran, Q. Qiao, K. Zhu, S. De Wolf, and E.H. Sargent, Science 367, 1135 (2020).
 F.H. Isikgor, F. Furlan, J. Liu, E. Ugur, M.K. Eswaran, A.S. Subbiah, E. Yengel, M. De Bastiani, G.T. Harrison, S. Zhumagali, C.T. Howells, E. Aydin, M. Wang, N. Gasparini, T.G. Allen, A. Rehman, E. Van Kerschaver, D. Baran, I. McCulloch, T.D. Anthopoulos, U. Schwingenschlogl, F. Laquai, and S. De Wolf, Joule 5, 1566 (2021).
 S. Zhumagali, F.H. Isikgor, P. Maity, J. Yin, E. Ugur, M. De Bastiani, E. Aydin, G.T. Harrison, J. Troughton, A.S. Subbiah, J. Liu, T. Allen, A. ur Rehman, D. Baran, O.F. Mohammed, and S. De Wolf, Adv. Energy Mater. 11, 2101662 (2021).
 J. Liu, E. Aydin, J. Yin, M. De Bastiani, F.H. Isikgor, A.u. Rehman, E. Yengel, E. Ugur, G.T. Harrison, Y. Gao, M. Wang, j.I. Khan, M. Babics, T.G. Allen, A.S. Subbiah, K. Zhu, X. Zheng, W. Yan, F. Xu, M.F. Salvador, O.M. Bakr, M. Lanza, T.D. Anthopoulos, O.F. Mohammed, F. Laquai, S. De Wolf, Joule 5, 3169 (2021).
 E. Aydin, T.G. Allen, M. De Bastiani, L. Xu, J. Avila, M. Salvador, E. Van Kerschaver, and S. De Wolf, Nature Energy 5, 851 (2020).
 M. De Bastiani, G. Armaroli, R. Jalmood, L. Ferlauto, X. Li, R. Tao, G.T. Harrison, M. Babics, E. Aydin, T.G. Allen, C. Combe, T. Kramer, G. Lubineau, D. Cavalcoli, and S De Wolf, ACS Energy Lett. 7, 827 (2022).
 M. De Bastiani, A.J. Mirabelli, Y. Hou, F. Grota, E. Aydin, T.G. Allen, J. Troughton, A.S. Subbiah, F.H. Isikgor, J. Liu, L. Xu, B. Chen, E. Van Kerschaver, D. Baran, M.F. Salvador, U.W. Paetzold, E.H. Sargent, and S. De Wolf, Nature Energy 6, 167 (2021).
WELCOME TO CHINA TO ATTEND THE ICANS
23-26 August, Nanjing, China
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