Search Results - "De Wolf, Stefaan"

Defect and Contact Passivation for Perovskite Solar Cells by Aydin, Erkan, Bastiani, Michele, Wolf, Stefaan

“…Metal‐halide perovskites are rapidly emerging as an important class of photovoltaic absorbers that may enable high‐performance solar cells at affordable cost…”
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Enhanced optical path and electron diffusion length enable high-efficiency perovskite tandems by Chen, Bin, Baek, Se-Woong, Hou, Yi, Aydin, Erkan, De Bastiani, Michele, Scheffel, Benjamin, Proppe, Andrew, Huang, Ziru, Wei, Mingyang, Wang, Ya-Kun, Jung, Eui-Hyuk, Allen, Thomas G., Van Kerschaver, Emmanuel, García de Arquer, F. Pelayo, Saidaminov, Makhsud I., Hoogland, Sjoerd, De Wolf, Stefaan, Sargent, Edward H.

“…Tandem solar cells involving metal-halide perovskite subcells offer routes to power conversion efficiencies (PCEs) that exceed the single-junction limit;…”
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Damage at hydrogenated amorphous/crystalline silicon interfaces by indium tin oxide overlayer sputtering by Demaurex, Bénédicte, De Wolf, Stefaan, Descoeudres, Antoine, Charles Holman, Zachary, Ballif, Christophe

“…Damage of the hydrogenated amorphous/crystalline silicon interface passivation during transparent conductive oxide sputtering is reported. This occurs in the…”
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Photo-induced enhancement of lattice fluctuations in metal-halide perovskites by Wang, Mingcong, Gao, Yajun, Wang, Kai, Liu, Jiang, De Wolf, Stefaan, Laquai, Frédéric

“…The optoelectronic properties of metal-halide perovskites (MHPs) are affected by lattice fluctuations. Using ultrafast pump-probe spectroscopy, we demonstrate…”
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Generation of long-lived charges in organic semiconductor heterojunction nanoparticles for efficient photocatalytic hydrogen evolution by Kosco, Jan, Gonzalez-Carrero, Soranyel, Howells, Calvyn T., Fei, Teng, Dong, Yifan, Sougrat, Rachid, Harrison, George T., Firdaus, Yuliar, Sheelamanthula, Rajendar, Purushothaman, Balaji, Moruzzi, Floriana, Xu, Weidong, Zhao, Lingyun, Basu, Aniruddha, De Wolf, Stefaan, Anthopoulos, Thomas D., Durrant, James R., McCulloch, Iain

“…Organic semiconductor photocatalysts for the production of solar fuels are attractive as they can be synthetically tuned to absorb visible light while…”
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Light-induced performance increase of silicon heterojunction solar cells by Kobayashi, Eiji, De Wolf, Stefaan, Levrat, Jacques, Christmann, Gabriel, Descoeudres, Antoine, Nicolay, Sylvain, Despeisse, Matthieu, Watabe, Yoshimi, Ballif, Christophe

“…Silicon heterojunction solar cells consist of crystalline silicon (c-Si) wafers coated with doped/intrinsic hydrogenated amorphous silicon (a-Si:H) bilayers…”
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Parasitic Absorption Reduction in Metal Oxide-Based Transparent Electrodes: Application in Perovskite Solar Cells by Werner, Jérémie, Geissbühler, Jonas, Dabirian, Ali, Nicolay, Sylvain, Morales-Masis, Monica, Wolf, Stefaan De, Niesen, Bjoern, Ballif, Christophe

“…Transition metal oxides (TMOs) are commonly used in a wide spectrum of device applications, thanks to their interesting electronic, photochromic, and…”
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Field-effect passivation on silicon nanowire solar cells by Mallorquí, Anna Dalmau, Alarcón-Lladó, Esther, Mundet, Ignasi Canales, Kiani, Amirreza, Demaurex, Bénédicte, De Wolf, Stefaan, Menzel, Andreas, Zacharias, Margrit, Fontcuberta i Morral, Anna

“…Surface recombination represents a handicap for high-efficiency solar cells. This is especially important for nanowire array solar cells, where the…”
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Back-Contacted Silicon Heterojunction Solar Cells: Optical-Loss Analysis and Mitigation by Paviet-Salomon, Bertrand, Tomasi, Andrea, Descoeudres, Antoine, Barraud, Loris, Nicolay, Sylvain, Despeisse, Matthieu, De Wolf, Stefaan, Ballif, Christophe

“…We analyze the optical losses that occur in interdigitated back-contacted amorphous/crystalline silicon heterojunction solar cells. We show that in our…”
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Organic Hole‐Transport Layers for Efficient, Stable, and Scalable Inverted Perovskite Solar Cells by Yao, Yiguo, Cheng, Caidong, Zhang, Chenyang, Hu, Hanlin, Wang, Kai, De Wolf, Stefaan

“…Hole‐transporting layers (HTLs) are an essential component in inverted, p–i–n perovskite solar cells (PSCs) where they play a decisive role in extraction and…”
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Amorphous/Crystalline Silicon Interface Passivation: Ambient-Temperature Dependence and Implications for Solar Cell Performance by Seif, Johannes P., Krishnamani, Gopal, Demaurex, Benedicte, Ballif, Christophe, De Wolf, Stefaan

“…Silicon heterojunction (SHJ) solar cells feature amorphous silicon passivation films, which enable very high voltages. We report how such passivation increases…”
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Industrially feasible, dopant‐free, carrier‐selective contacts for high‐efficiency silicon solar cells by Yang, Xinbo, Weber, Klaus, Hameiri, Ziv, De Wolf, Stefaan

“…Dopant‐free, carrier‐selective contacts (CSCs) on high efficiency silicon solar cells combine ease of deposition with potential optical benefits…”
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Passivating contacts for crystalline silicon solar cells by Allen, Thomas G., Bullock, James, Yang, Xinbo, Javey, Ali, De Wolf, Stefaan

“…The global photovoltaic (PV) market is dominated by crystalline silicon (c-Si) based technologies with heavily doped, directly metallized contacts…”
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Tin Oxide Electron‐Selective Layers for Efficient, Stable, and Scalable Perovskite Solar Cells by Altinkaya, Cesur, Aydin, Erkan, Ugur, Esma, Isikgor, Furkan H., Subbiah, Anand S., De Bastiani, Michele, Liu, Jiang, Babayigit, Aslihan, Allen, Thomas G., Laquai, Frédéric, Yildiz, Abdullah, De Wolf, Stefaan

“…Perovskite solar cells (PSCs) have become a promising photovoltaic (PV) technology, where the evolution of the electron‐selective layers (ESLs), an integral…”
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Silicon heterojunction solar cell with passivated hole selective MoOx contact by Battaglia, Corsin, de Nicolás, Silvia Martín, De Wolf, Stefaan, Yin, Xingtian, Zheng, Maxwell, Ballif, Christophe, Javey, Ali

“…We explore substoichiometric molybdenum trioxide (MoOx, x < 3) as a dopant-free, hole-selective contact for silicon solar cells. Using an intrinsic…”
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Self-Assembled Monolayer Enables Hole Transport Layer-Free Organic Solar Cells with 18% Efficiency and Improved Operational Stability by Lin, Yuanbao, Firdaus, Yuliar, Isikgor, Furkan H, Nugraha, Mohamad Insan, Yengel, Emre, Harrison, George T, Hallani, Rawad, El-Labban, Abdulrahman, Faber, Hendrik, Ma, Chun, Zheng, Xiaopeng, Subbiah, Anand, Howells, Calvyn T, Bakr, Osman M, McCulloch, Iain, Wolf, Stefaan De, Tsetseris, Leonidas, Anthopoulos, Thomas D

“…We report on bulk-heterojunction (BHJ) organic photovoltaics (OPVs) based on the self-assembled monolayer (SAM) 2PACz as a hole-selective interlayer…”
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Efficient and stable perovskite-silicon tandem solar cells through contact displacement by MgFx by Liu, Jiang, De Bastiani, Michele, Aydin, Erkan, Harrison, George T, Gao, Yajun, Pradhan, Rakesh R, Eswaran, Mathan K, Mandal, Mukunda, Yan, Wenbo, Seitkhan, Akmaral, Babics, Maxime, Subbiah, Anand S, Esma Ugur, Xu, Fuzong, Xu, Lujia, Wang, Mingcong, Atteq ur Rehman, Razzaq, Arsalan, Kang, Jingxuan, Azmi, Randi, Ahmed Ali Said, Isikgor, Furkan H, Allen, Thomas G, Andrienko, Denis, Schwingenschlögl, Udo, Laquai, Frédéric, De Wolf, Stefaan

“…A fluoride boostThe wide-bandgap perovskite layer in perovskite-silicon tandem solar cells is still limited by high interface recombination at the electron…”
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Abruptness of a-Si:H∕c-Si interface revealed by carrier lifetime measurements by De Wolf, Stefaan, Kondo, Michio

“…Intrinsic hydrogenated amorphous silicon films can yield outstanding electronic surface passivation of crystalline silicon wafers. In this letter the authors…”
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Intrinsic efficiency limits in low-bandgap non-fullerene acceptor organic solar cells by Karuthedath, Safakath, Gorenflot, Julien, Firdaus, Yuliar, Chaturvedi, Neha, De Castro, Catherine S. P., Harrison, George T., Khan, Jafar I., Markina, Anastasia, Balawi, Ahmed H., Peña, Top Archie Dela, Liu, Wenlan, Liang, Ru-Ze, Sharma, Anirudh, Paleti, Sri H. K., Zhang, Weimin, Lin, Yuanbao, Alarousu, Erkki, Lopatin, Sergei, Anjum, Dalaver H., Beaujuge, Pierre M., De Wolf, Stefaan, McCulloch, Iain, Anthopoulos, Thomas D., Baran, Derya, Andrienko, Denis, Laquai, Frédéric

“…In bulk heterojunction (BHJ) organic solar cells (OSCs) both the electron affinity (EA) and ionization energy (IE) offsets at the donor–acceptor interface…”
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A Universal Double‐Side Passivation for High Open‐Circuit Voltage in Perovskite Solar Cells: Role of Carbonyl Groups in Poly(methyl methacrylate) by Peng, Jun, Khan, Jafar I., Liu, Wenzhu, Ugur, Esma, Duong, The, Wu, Yiliang, Shen, Heping, Wang, Kai, Dang, Hoang, Aydin, Erkan, Yang, Xinbo, Wan, Yimao, Weber, Klaus J., Catchpole, Kylie R., Laquai, Frédéric, Wolf, Stefaan, White, Thomas P.

“…The performance of state‐of‐the‐art perovskite solar cells is currently limited by defect‐induced recombination at interfaces between the perovskite and the…”
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