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Total result(s) found: 39
  • Allen, T. G., Bullock, J., Yang, X., Javey, A., De Wolf, S., Passivating contacts for crystalline silicon solar cells, Nature Energy 2019.
Keywords:
Silicon solar cells, passivating contacts
  • Liu, W., Yang, X., Kang, J., Li, S., Xu, L., Zhang, S., Xu, H., Peng, J., Xie, F.,  ​Fu, J.H., Wang, K., Liu, J., Alzahrani, A., De Wolf, S., Poly-Silicon Passivating Contacts for Silicon Solar Cells: Interface Passivation and Carrier Transport Mechanism. (2019) ACS Applied Energy Materials.
Keywords:
silicon solar cell, tunnel oxide passivating contacts, subnanometer pits pinholes, unpin Fermi level
  • Dang, H. X., Wang, K., Ghasemi, M., Tang, M.-C., De Bastiani, M., Aydin, E., Dauzon, E., Barrit, D., Peng, J., Smilgies, D.-M., De Wolf, S., Amassian, A., Multi-cation Synergy Suppresses Phase Segregation in Mixed-Halide Perovskites. Joule (just published)
Keywords:
hybrid perovskites, solar cells, in situ characterization, phase transformation, phase segregation
  • Haegel, N. M., Atwater, H., Barnes, T., Breyer, C., Burrell, A., Chiang, Y.-M., De Wolf, S., Dimmler, B., Feldman, D., Glunz, S., Goldschmidt, J. C., Hochschild, D., Inzunza, R., Kaizuka, I., Kroposki, B., Kurtz, S., Leu, S., Margolis, R., Matsubara, K., Metz, A., Metzger, W. K., Morjaria, M., Niki, S., Nowak, S., Peters, I. M., Philipps, S., Reindl, T., Richter, A., Rose, D., Sakurai, K., Schlatmann, R., Shikano, M., Sinke, W., Sinton, R., Stanbery, B. J., Topic, M., Tumas, W., Ueda, Y., van de Lagemaat, J., Verlinden, P., Vetter, M., Warren, E., Werner, M., Yamaguchi, M., Bett, A. W., Terawatt-scale photovoltaics: Transform global energy. Science 2019, 364 (6443), 836-838.
Keywords:
solar cells, terwatt scale photovoltaics
  • Wang, K.Neophytou, M.Aydin, E.Wang, M.Laurent, T.Harrison, G. T.Liu, J.Liu, W.De Bastiani, M.Khan, J. I.Anthopoulos, T. D.Laquai, F.De Wolf, S.Triarylphosphine Oxide as Cathode Interfacial Material for Inverted Perovskite Solar Cells. Advanced Materials Interfaces 2019, 1900434.
Keywords:
cathode interlayer interface engineering, organic molecule, p‐i‐n perovskite solar cell, semitransparent solar cell
  • Aydin, E.De Bastiani, M.De Wolf, S.Defect and Contact Passivation for Perovskite Solar CellsAdvanced Materials 2019, 1900428.
Keywords:
contacts, hysteresis, passivation, perovskites, recombination, solar cells, stability
  • Yang, X., Liu, W., De Bastiani, M., Allen, T., Kang, J., Xu, H., Aydin, E., Xu, L., Bi, Q., Dang, H., AlHabshi, E., Kotsovos, K., AlSaggaf, A., Gereige, I., Wan, Y., Peng, J., Samundsett, C.,  Cuevas, A., De Wolf, S. "Dual-Function Electron-Conductive, Hole-Blocking Titanium Nitride Contacts for Efficient Silicon Solar Cells​" Joule 3, 1–14​.
Keywords:
titanium nitride; passivating contact; electron-selective contact; hole blocking; silicon solar cell
  • Aydin, E., De Bastiani, M., Yang, X., Sajjad, M., Aljamaan, F., Smirnov, Y., Hedhili, M. N., Liu, W., Allen, T. G., Xu, L., Kerschaver, E. V., Morales‐Masis, M., Schwingenschlögl, U., De Wolf, S., Zr‐Doped Indium Oxide (IZRO) Transparent Electrodes for Perovskite‐Based Tandem Solar Cells. Advanced Functional Materials 2019, 1901741. 
Keywords:
high mobility, improved near‐infrared response, indium zirconium oxide, perovskite tandem solar cells, transparent electrodes
  • Shaheen, B.S., El-Zohry, A.M., Yin, J., De Bastiani, M., De Wolf, S., Bakr, O. M., and Mohammed, O.F "Visualization of Charge Carrier Trapping in Silicon at the Atomic Surface Level Using Four-Dimensional Electron Imaging" The Journal of Physical Chemistry Letters 201910, pp 1960–1966
Keywords:
silicon, 4D microscopy
  • Ledinsky, M., Schönfeldová, T., Holovsky, J., Aydin, E., Hájková, Z., Landová, L., Neykova, N., Fejfar, A., and De Wolf, S., "Temperature Dependence of the Urbach Energy in Lead Iodide Perovskites" The Journal of Physical Chemistry Letters 2019 10 (6), 1368-1373​.
Keywords:
Perovskites, CH3NH3PbI3, Urbach Energy, Temperature Dependent, Urbach Focus
  • Ji, W., Zhao, Y., Fahad, H. M., Bullock, J., Allen, T.,  Lien, D.-H.​, De Wolf, S., ​Javey, A., "Dip Coating Passivation of Crystalline Silicon by Lewis Acids", ACS Nano, 2019, 13 (3), pp 3723–3729​
Keywords:
charge transfer; crystalline silicon; Lewis acids; Nafion; room-temperature passivation
  • Sajjad, M., Yang, X.,  Altermatt, P., Singh, N., Schwingenschlögl, U., and De Wolf, S. "Metal-induced gap states in passivating metal/silicon contacts​" Applied Physics Letters 2019 114, 071601.
Keywords:
Semiconductors, Density functional theory, First-principle calculations, Passivation
  • De Bastiani, M.,  Aydin, E., Allen, T., Walter, D., Fell, A., Peng, J., Gasparini, N., Troughton, J., Baran, D., White, T. P., De Wolf, S. "Interfacial Dynamics and Contact Passivation in Perovskite Solar Cells" Advanced Electronic Materials 2018,  1800500.  ​​
Keywords:
contacts passivation, hysteresis, ion migrations, perovskites, solar cells
  • Aydin, E., Troughton, J., De Bastiani, M., Ugur, E., Sajjad, M., Alzahrani, A., Neophytou, M., Schwingenschlögl, U., Laquai, F., Baran, D., De Wolf , S. "Room-Temperature Sputtered Nanocrystalline Nickel Oxide as Hole Transport Layer for p−i−n Perovskite Solar Cells " ACS Applied Energy Materials (2018) 1, 11, 6227-6233​.
Keywords:
perovskites solar cells, room-temperature processing, sputtering, nickel oxide, conformal deposition, large area, p-i-n perovskite device configuration
  • Peng, J., Khan, J. I., Liu, W., Ugur, E., Duong, T., Wu, Y., Shen, H., Wang, K., Dang, H., Aydin, E., Yang, X., Wan, Y., Weber, K. J., Catchpole, K. R., Laquai, F., De Wolf, S., White,T. P. "A Universal Double‐Side Passivation for High Open‐Circuit Voltage in Perovskite Solar Cells: Role of Carbonyl Groups in Poly(methyl methacrylate)" Advanced Energy Materials 2018, 1801208. ​​​​
  • Thanks to PMMA: PCBM Double-side passivation, very high‐efficiency (≈20.8%) perovskite cells with some of the highest open circuit voltages (1.22 V) reported for the same 1.6 eV bandgap are demonstrated.

Keywords:
carbonyl group, nonradiative recombination, passivation, perovskite solar cells, undercoordinated Pb atoms
  • Yang, X., Aydin, E., Xu, H., Kang, J., Hedhili, M., Liu, W., ... & De Wolf, S. (2018). Tantalum Nitride Electron‐Selective Contact for Crystalline Silicon Solar Cells. Advanced Energy Materials, 1800608.
  • ​​With this study, for the first time in literature Tantalum Nitride has been used as passivating contact on silicon solar cells.
Keywords:
hole blocking, passivating contacts, silicon solar cells, tantalum nitride
  • Dupré, Olivier, Björn Niesen, Stefaan De Wolf, and Christophe Ballif. "Field Performance versus Standard Test Condition Efficiency of Tandem Solar Cells and the Specific Case of Perovskites/Silicon Devices." The journal of physical chemistry letters (2018).​​​
Keywords:
Tandem Solar Cells, Field Performance, Perovskites/Silicon Devices
  • Sahli, Florent, Brett A. Kamino, Jérémie Werner, Matthias Bräuninger, Bertrand Paviet‐Salomon, Loris Barraud, Raphaël Monnard et al. "Improved optics in monolithic perovskite/silicon tandem solar cells with a nanocrystalline silicon recombination junction." Advanced Energy Materials 8, no. 6 (2018): 1701609.​​
Keywords:
microcrystalline, multijunction, organic–inorganic perovskite, silicon heterojunction, tunnel junction
  • Paviet-Salomon, B., A. Tomasi, D. Lachenal, N. Badel, G. Christmann, L. Barraud, A. Descœudres et al. "Interdigitated back contact silicon heterojunction solar cells featuring an interband tunnel junction enabling simplified processing." Solar Energy (2018).
Keywords:
Passivating contacts, Interdigitated back contact, Tunnel junction, Silicon solar cells
  • Vijayan, Ramachandran Ammapet, Stephanie Essig, Stefaan De Wolf, Bairava Ganesh Ramanathan, Philipp Löper, Christophe Ballif, and Muthubalan Varadharajaperumal. "Hole-Collection Mechanism in Passivating Metal-Oxide Contacts on Si Solar Cells: Insights From Numerical Simulations." IEEE Journal of Photovoltaics 8, no. 2 (2018): 473-482.
Keywords:
Hole collection, passivating contacts, silicon heterojunction (SHJ) solar cell, simulation, transition metal oxides
  • Kobayashi, Eiji, Mathieu Boccard, Quentin Jeangros, Nathan Rodkey, Daniel Vresilovic, Aïcha Hessler-Wyser, Max Döbeli et al. "Amorphous gallium oxide grown by low-temperature PECVD." Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films 36, no. 2 (2018): 021518.​​
Keywords:
Amorphous gallium oxide, low-temperature PECVD
  • Essig, Stephanie, Julie Dréon, Esteban Rucavado, Mathias Mews, Takashi Koida, Mathieu Boccard, Jérémie Werner et al. "Toward Annealing‐Stable Molybdenum‐Oxide‐Based Hole‐Selective Contacts For Silicon Photovoltaics." Solar RRL 2, no. 4 (2018): 1700227.
Keywords:
heterojunction, hydrogen, metal oxide, silicon solar cells
  • Chavali, Raghu VK, Stefaan De Wolf, and Muhammad A. Alam. "Device physics underlying silicon heterojunction and passivating‐contact solar cells: A topical review." Progress in Photovoltaics: Research and Applications.​
Keywords:
amorphous semiconductors, current‐voltage characteristics, heterojunctions, passivating contacts,process control, silicon, modeling and simulation
  • Ore, Erenn, Gehan Amaratunga, and Stefaan De Wolf. "HIT Solar Cell With V2Ox Window Layer." MRS Advances 2, no. 53 (2017): 3147-3156.
Keywords:
photovoltaic; Si; oxide
  • Song, Zhaoning, Jérémie Werner, Suneth C. Watthage, Florent Sahli, Niraj Shrestha, Stefaan De Wolf, Björn Niesen et al. "Imaging the Spatial Evolution of Degradation in Perovskite/Si Tandem Solar Cells After Exposure to Humid Air." IEEE Journal of Photovoltaics 7, no. 6 (2017): 1563-1568.
Keywords:
Degradation, light beam induced current (LBIC), perovskite, silicon, tandem solar cells
  • Abdallah, Amir, Ounsi El Daif, Brahim Aïssa, Maulid Kivambe, Nouar Tabet, Johannes Seif, Jan Haschke et al. "Towards an optimum silicon heterojunction solar cell configuration for high temperature and high light intensity environment." Energy Procedia 124 (2017): 331-337.
Keywords:
Silicon heterojucntion; temeprature coefficient; irradiance; current–voltage curve
  • Dabirian, Ali, Monica Morales-Masis, Franz-Josef Haug, Stefaan De Wolf, and Christophe Ballif. "Optical Evaluation of the Rear Contacts of Crystalline Silicon Solar Cells by Coupled Electromagnetic and Statistical Ray-Optics Modeling." IEEE Journal of Photovoltaics 7, no. 3 (2017): 718-726.
Keywords:
Ray-Optics Modeling; Silicon Solar Cells
  • Seif, Johannes P., Bjoern Niesen, Andrea Tomasi, Christophe Ballif, and Stefaan De Wolf. "Impact of organic overlayers on a-Si: H/c-Si surface potential." Applied Physics Letters 110, no. 15 (2017): 151601.​
Keywords:
organic layers; SHJ; surface potential
  • Chavali, Raghu Vamsi Krishna, Jian V. Li, Corsin Battaglia, Stefaan De Wolf, Jeffery Lynn Gray, and Muhammad Ashraful Alam. "A Generalized Theory Explains the Anomalous Suns–Voc Response of Si Heterojunction Solar Cells." IEEE Journal of Photovoltaics 7, no. 1 (2017): 169-176.
Keywords:
Suns– Voc; Heterojunction Solar Cells; numerical simulations
  • Haschke, Jan, Johannes P. Seif, Yannick Riesen, Andrea Tomasi, Jean Cattin, Loïc Tous, Patrick Choulat et al. "The impact of silicon solar cell architecture and cell interconnection on energy yield in hot & sunny climates." Energy & Environmental Science 10, no. 5 (2017): 1196-1206.
Keywords:
cell architecture; cell interconnection; hot climates
  • Holovsky, Jakub, Stefaan De Wolf, Jeremie Werner, Zdenek Remes, Martin Muller, Neda Neykova, Martin Ledinsky et al. "Photocurrent Spectroscopy of Perovskite Layers and Solar Cells: A Sensitive Probe of Material Degradation." The journal of physical chemistry letters 8, no. 4 (2017): 838-843.
Keywords:
Spectroscopy; Perovskite; Degradation
  • Morales‐Masis, Monica, Stefaan De Wolf, Rachel Woods‐Robinson, Joel W. Ager, and Christophe Ballif. "Transparent electrodes for efficient optoelectronics." Advanced Electronic Materials 3, no. 5 (2017).
Keywords:
Transparent Electrodes; Optoelectronics
  • Allen, Thomas G., James Bullock, Quentin Jeangros, Christian Samundsett, Yimao Wan, Jie Cui, Aïcha Hessler‐Wyser, Stefaan De Wolf, Ali Javey, and Andres Cuevas. "A Low Resistance Calcium/Reduced Titania Passivated Contact for High Efficiency Crystalline Silicon Solar Cells." Advanced Energy Materials 7, no. 12 (2017).
Keywords:
Titania; Passivated Contact; Silicon Solar Cells
  • Kobayashi, Eiji, Stefaan De Wolf, Jacques Levrat, Antoine Descoeudres, Matthieu Despeisse, Franz-Josef Haug, and Christophe Ballif. "Increasing the efficiency of silicon heterojunction solar cells and modules by light soaking." Solar Energy Materials and Solar Cells 173 (2017): 43-49.
Keywords:
Solar cell; Solar module; Silicon heterojunction; Passivating contact; Light soaking; Fill factor
  • Yang, Xinbo, Klaus Weber, Ziv Hameiri, and Stefaan De Wolf. "Industrially feasible, dopant‐free, carrier‐selective contacts for high‐efficiency silicon solar cells." Progress in Photovoltaics: Research and Applications 25, no. 11 (2017): 896-904.​
Keywords:
carrier-selective contact, titanium oxide, silicon solar cell
  • Tomasi, Andrea, Bertrand Paviet-Salomon, Quentin Jeangros, Jan Haschke, Gabriel Christmann, Loris Barraud, Antoine Descoeudres et al. "Simple processing of back-contacted silicon heterojunction solar cells using selective-area crystalline growth." Nature Energy 2, no. 5 (2017): 17062.​
Keywords:
Ssilicon Heterojunction, Back Contacted Solar Cells
  • Kobayashi, Eiji, Stefaan De Wolf, Jacques Levrat, Gabriel Christmann, Antoine Descoeudres, Sylvain Nicolay, Matthieu Despeisse, Yoshimi Watabe, and Christophe Ballif. "Light-induced performance increase of silicon heterojunction solar cells." Applied Physics Letters 109, no. 15 (2016): 153503.
Keywords:
silicon heterojunction(SHJ); surface passivation; recombination
  • Nogay, Gizem, Johannes Peter Seif, Yannick Riesen, Andrea Tomasi, Quentin Jeangros, Nicolas Wyrsch, Franz-Josef Haug, Stefaan De Wolf, and Christophe Ballif. "Nanocrystalline silicon carrier collectors for silicon heterojunction solar cells and impact on low-temperature device characteristics." IEEE Journal of Photovoltaics 6, no. 6 (2016): 1654-1662.
Keywords:
transport, contact resistivity, nanocrystalline silicon, Schottky barrier, silicon heterojunction (SHJ), solar cells, temperature dependence.
  • Ledinský, Martin, Bertrand Paviet-Salomon, Aliaksei Vetushka, Jonas Geissbühler, Andrea Tomasi, Matthieu Despeisse, Stefaan De Wolf, Christophe Ballif, and Antonín Fejfar. "Profilometry of thin films on rough substrates by Raman spectroscopy." Scientific reports 6 (2016): 37859.
Keywords:
Solar cells; Surfaces; interfaces; thin films;Two-dimensional materials