Publications

Sharing knowledge with the world

2024

Journal Articles

Characterization of a flexible a-Si:H detector for in vivo dosimetry in therapeutic x-ray beams

M. J. Large; A. Bashiri; Y. Dookie; J. McNamara; L. Antognini et al. 

Medical Physics. 2024-03-03. DOI : 10.1002/mp.17013.

The effect of partial shading on the reliability of photovoltaic modules in the built-environment

E. Ozkalay; F. Valoti; M. Caccivio; A. Virtuani; G. Friesen et al. 

Epj Photovoltaics. 2024-02-28. Vol. 15, p. 7. DOI : 10.1051/epjpv/2024001.

Interactions between aluminium and fired passivating contacts during fire-through metallization (vol 249, 112051, 2023)

S. Libraro; M. Lehmann; J. J. D. Leon; C. Allebe; A. Descoeudres et al. 

Solar Energy Materials And Solar Cells. 2024-02-06. Vol. 267, p. 112722. DOI : 10.1016/j.solmat.2024.112722.

Pizza Oven Processing of Organohalide Perovskites (POPOP): A Simple, Versatile and Efficient Vapor Deposition Method

Q. J-M. A. Guesnay; F. Sahli; K. Artuk; D. Turkay; A. G. Kuba et al. 

Advanced Energy Materials. 2024-02-02. DOI : 10.1002/aenm.202303423.

A comprehensive physical model for the sensitivity of silicon heterojunction photovoltaic modules to water ingress

L. Gnocchi; O. A. Arruti; C. Ballif; A. Virtuani 

Cell Reports Physical Science. 2024-01-17. Vol. 5, num. 1, p. 101751. DOI : 10.1016/j.xcrp.2023.101751.

Theses

Font Side Solutions for c-Si Solar Cells with High-Temperature Passivating Contacts

E. Genç / F-J. Haug; C. Ballif (Dir.)  

Lausanne, EPFL, 2024. 

Microstructural and electrical characterization of high temperature passivating contacts for silicon solar cells

S. Libraro / A. Hessler-Wyser; F-J. Haug (Dir.)  

Lausanne, EPFL, 2024. 

Identification and Mitigation of Degradation Mechanisms Induced by Heat and Light in NiOx-based Perovskite Solar Cells

M. S. M. Dussouillez / C. Ballif; A. Paracchino (Dir.)  

Lausanne, EPFL, 2024. 

Advanced Manufacturing and Characterization of Building-Integrated Photovoltaic Modules

A. Borja Block / C. Ballif; A. Faes (Dir.)  

Lausanne, EPFL, 2024. 

2023

Journal Articles

Towards a quantification of thermal and thermomechanical stress for modules in building-integrated photovoltaics configurations

H. Quest; A. W. Fairbrother; C. Ballif; A. Virtuani 

Progress In Photovoltaics. 2023-12-26. DOI : 10.1002/pip.3762.

Potential-induced degradation in bifacial silicon heterojunction solar modules: Insights and mitigation strategies

O. Arriaga Arruti; L. Gnocchi; Q. Jeangros; C. Ballif; A. Virtuani 

Progress In Photovoltaics. 2023-12-25. DOI : 10.1002/pip.3765.

Accurate color characterization of solar photovoltaic modules for building integration

A. B. Block; J. E. Palou; A. Faes; A. Virtuani; C. Ballif 

Solar Energy. 2023-12-02. Vol. 267, p. 112227. DOI : 10.1016/j.solener.2023.112227.

Operando analysis of a solid oxide fuel cell by environmental transmission electron microscopy

Q. Jeangros; M. Bugnet; T. Epicier; C. Frantz; S. Diethelm et al. 

Nature Communications. 2023-12-02. Vol. 14, num. 1, p. 7959. DOI : 10.1038/s41467-023-43683-4.

Rear textured p-type high temperature passivating contacts and their implementation in perovskite/silicon tandem cells

A. Walter; B. A. Kamino; S-J. Moon; P. Wyss; J. J. D. Leon et al. 

Energy Advances. 2023-11-09. Vol. 2, num. 11, p. 1818-1822. DOI : 10.1039/d3ya00048f.

Mapping the Charging Demand for Electric Vehicles in 2050 from Mobility Habits

N. Jeannin; A. Pena-Bello; C. Ballif; N. Wyrsch 

Sustainable Energy, Grid and Network. 2023-10-17. DOI : 10.2139/ssrn.4604192.

The carbon intensity of integrated photovoltaics

A. Virtuani; A. Borja Block; N. Wyrsch; C. Ballif 

Joule. 2023-10-16. DOI : 10.1016/j.joule.2023.09.010.

Understanding and mitigating resistive losses in fired passivating contacts: role of the interfaces and optimization of the thermal budget

S. Libraro; A. M. I. Morisset; J. Hurni; E. Genc; L. Antognini et al. 

Solar Energy Materials And Solar Cells. 2023-10-11. Vol. 263, p. 112591. DOI : 10.1016/j.solmat.2023.112591.

TCAD modelling of a-Si:H devices for particle detection applications

D. Passeri; A. Morozzi; M. Fabi; C. Grimani; S. Pallotta et al. 

Materials Science In Semiconductor Processing. 2023-10-07. Vol. 169, p. 107870. DOI : 10.1016/j.mssp.2023.107870.

Balancing DSO interests and PV system economics with alternative tariffs

A. Pena-Bello; R. Junod; C. Ballif; N. Wyrsch 

Energy Policy. 2023-10-05. Vol. 183, p. 113828. DOI : 10.1016/j.enpol.2023.113828.

Stability of black interconnect coatings for solar photovoltaic module applications

A. Borja Block; C. Barretta; A. Faes; A. Virtuani; A. Vlk et al. 

Solar Energy Materials and Solar Cells. 2023-09-23. DOI : 10.1016/j.solmat.2023.112540.

Passivating contact-based tunnel junction Si solar cells using machine learning for tandem cell applications

H. Park; A. Morisset; M. Kim; H-S. Lee; A. Hessler-Wyser et al. 

Energy And Ai. 2023-09-11. Vol. 14, p. 100299. DOI : 10.1016/j.egyai.2023.100299.

The effect of storage conditions on the long-term stability of ethylene-vinyl-acetate (EVA) copolymer used in glass/glass modules

L. Gnocchi; A. Virtuani; A. Fairbrother; E. Annigoni; C. Ballif 

Solar Energy Materials And Solar Cells. 2023-09-02. Vol. 262, p. 112526. DOI : 10.1016/j.solmat.2023.112526.

A hydrogenated amorphous silicon detector for Space Weather applications

C. Grimani; M. Fabi; F. Sabbatini; M. Villani; L. Antognini et al. 

Astrophysics And Space Science. 2023-09-01. Vol. 368, num. 9, p. 78. DOI : 10.1007/s10509-023-04235-w.

Loss Analysis of a 24.4%-Efficient Front-Junction Silicon Heterojunction Solar Cell and Opportunity for Localized Contacts

M. Boccard; L. Antognini; J. Cattin; J. Dreon; W. Lin et al. 

Ieee Journal Of Photovoltaics. 2023-07-13. DOI : 10.1109/JPHOTOV.2023.3291050.

Interface passivation for 31.25%-efficient perovskite/silicon tandem solar cells

X. Y. Chin; D. Turkay; J. A. Steele; S. Tabean; S. Eswara et al. 

Science. 2023-07-07. Vol. 381, num. 6653, p. 59-62. DOI : 10.1126/science.adg0091.

Hydrogenated amorphous silicon high flux x-ray detectors for synchrotron microbeam radiation therapy

M. J. Large; M. Bizzarri; L. Calcagnile; M. Caprai; A. P. Caricato et al. 

Physics In Medicine And Biology. 2023-07-07. Vol. 68, num. 13, p. 135010. DOI : 10.1088/1361-6560/acdb43.

Neutron irradiation of Hydrogenated Amorphous Silicon p-i-n diodes and charge selective contacts detectors

M. Menichelli; M. Bizzarri; M. Boscardin; L. Calcagnile; M. Caprai et al. 

Nuclear Instruments & Methods In Physics Research Section A-Accelerators Spectrometers Detectors And Associated Equipment. 2023-07-01. Vol. 1052, p. 168308. DOI : 10.1016/j.nima.2023.168308.

Distributed flexibility as a cost-effective alternative to grid reinforcement

J. Holweger; A. Pena-Bello; N. Jeannin; C. Ballif; N. Wyrsch 

Sustainable Energy Grids & Networks. 2023-06-01. Vol. 34, p. 101041. DOI : 10.1016/j.segan.2023.101041.

Understanding and Mitigating the Degradation of Perovskite Solar Cells Based on a Nickel Oxide Hole Transport Material during Damp Heat Testing

M. Dussouillez; S-J. Moon; M. Mensi; C. M. Wolff; Y. Liu et al. 

Acs Applied Materials & Interfaces. 2023-05-31. Vol. 15, num. 23, p. 27941-27951. DOI : 10.1021/acsami.3c02709.

Carrier generation and collection in Zn3P2/InP heterojunction solar cells

R. Paul; S. W. Tabernig; J. R. Sapera; J. Hurni; A. Tiede et al. 

Solar Energy Materials And Solar Cells. 2023-04-29. Vol. 256, p. 112349. DOI : 10.1016/j.solmat.2023.112349.

Pre-annealing for improved LPCVD deposited boron-doped poly-Si hole-selective contacts

J. Stuckelberger; D. Yan; S. P. Phang; C. Samundsett; J. Wang et al. 

Solar Energy Materials And Solar Cells. 2023-03-01. Vol. 251, p. 112123. DOI : 10.1016/j.solmat.2022.112123.

ETFE and its Role in the Fabrication of Lightweight c-Si Solar Modules

F. Lisco; F. Bukhari; L. O. Jones; A. M. Law; J. M. Walls et al. 

Ieee Journal Of Photovoltaics. 2023-02-27. DOI : 10.1109/JPHOTOV.2023.3242212.

A comprehensive analysis of electron emission from a-Si:H/Al2O3 at low energies

J. Loffler; M. Belhaj; N. Bundaleski; J. J. D. Leon; J. Thomet et al. 

Journal Of Physics D-Applied Physics. 2023-02-09. Vol. 56, num. 6, p. 065306. DOI : 10.1088/1361-6463/acaf37.

New Developments in Amorphous Silicon Based Microchannel Plates

S. Frey; L. Antognini; M. Beygi; C. Ballif; N. Wyrsch 

IEEE Transactions on Nuclear Science. 2023. DOI : 10.1109/TNS.2023.3305676.

22.8% full-area bifacial n-PERT solar cells with rear side sputtered poly-Si (n) passivating contact

A. Ingenito; C. Alleb; S. Libraro; C. Ballif; B. Paviet-Salomon et al. 

Solar Energy Materials And Solar Cells. 2023-01-01. Vol. 249, p. 112043. DOI : 10.1016/j.solmat.2022.112043.

Conference Papers

First dosimetric characterization of an a-Si:H dosimeter on flexible support

C. Talamonti; M. Large; S. Pallotta; N. Wyrsch; C. Grimani et al. 

2023-05-01. Annual Meeting of the European-Society-for-Radiotherapy-and-Oncology (ESTRO), Vienna, AUSTRIA, MAY 12-16, 2023. p. S744-S745.

X-ray qualification of hydrogenated amorphous silicon sensors on flexible substrate

M. Menichelli; L. Antognini; A. Bashiri; M. Bizzarri; L. Calcagnile et al. 

2023-01-01. 9th IEEE International Workshop on Advances in Sensors and Interfaces (IWASI), Monopoli, ITALY, Jun 08-09, 2023. p. 190-193. DOI : 10.1109/IWASI58316.2023.10164611.

Reinforcement Learning for Joint Design and Control of Battery-PV Systems

M. Cauz; A. Bolland; B. Miftari; L. Perret; C. Ballif et al. 

2023. 36th International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems – ECOS 2023, Las Palmas, Gran Canaria, Spain, June 25-30, 2023.

Reviews

Long-term performance and reliability of silicon heterojunction solar modules

O. Arriaga; A. Virtuani; C. Ballif 

Progress in Photovoltaics: Research and Applications. 2023-03-02. Vol. 31, num. 7, p. 664-677. DOI : 10.1002/pip.3688.

Carrier-selective contacts using metal compounds for crystalline silicon solar cells

J. I. Michel; J. Dreon; M. Boccard; J. Bullock; B. Macco 

Progress In Photovoltaics. 2023. Vol. 31, num. 4, p. 380-413. DOI : 10.1002/pip.3552.

Theses

Vapor Deposition of Perovskite Solar Cells

Q. J-M. A. Guesnay / C. Ballif; C. M. Wolff (Dir.)  

Lausanne, EPFL, 2023. 

Investigation and Mitigation of Moisture- and Potential-Induced Degradation Mechanisms of Silicon Heterojunction Solar Cells and Modules

O. Arriaga Arruti / C. Ballif; A. F. A. Virtuani (Dir.)  

Lausanne, EPFL, 2023. 

III-V Nitride Semiconductors Deposited At Low Temperature For Photovoltaic Applications

J. E. Thomet / A. Hessler-Wyser; N. Würsch (Dir.)  

Lausanne, EPFL, 2023. 

Plasma-Assisted Hybrid Vapour Deposition Technology for Thin Film Fabrication

C. Hain / A. Hessler-Wyser; T. Nelis (Dir.)  

Lausanne, EPFL, 2023. 

Amorphous Silicon Based Microchannel Plates for Time-of-Flight Positron Emission Tomography

S. A. Frey / C. Ballif; N. Würsch (Dir.)  

Lausanne, EPFL, 2023. 

2022

Journal Articles

Microwave plasma-assisted reactive HiPIMS of InN films: Plasma environment and material characterisation

C. Hain; P. Schweizer; P. Sturm; A. Borzi; J. E. Thomet et al. 

Surface & Coatings Technology. 2022-12-27. Vol. 454, p. 129188. DOI : 10.1016/j.surfcoat.2022.129188.

Bandgap engineering of indium gallium nitride layers grown by plasma-enhanced chemical vapor deposition

J. E. Thomet; A. K. Singh; M. N. Roueche; N. Toggwyler; F-J. Haug et al. 

Journal Of Vacuum Science & Technology A. 2022-12-01. Vol. 40, num. 6, p. 063102. DOI : 10.1116/6.0002039.

Corrosion testing of solar cells: Wear-out degradation behavior

A. Fairbrother; L. Gnocchi; C. Ballif; A. Virtuani 

Solar Energy Materials And Solar Cells. 2022-12-01. Vol. 248, p. 111974. DOI : 10.1016/j.solmat.2022.111974.

Integration of thin n-type nc-Si:H layers in the window-multilayer stack of heterojunction solar cells

L. Antognini; C. Sthioul; J. Dreon; V. Paratte; D. Tuerkay et al. 

Solar Energy Materials And Solar Cells. 2022-12-01. Vol. 248, p. 111975. DOI : 10.1016/j.solmat.2022.111975.

Ultrathin ALD Aluminum Oxide Thin Films Suppress the Thermal Shrinkage of Battery Separator Membranes

L. P. da Veiga; C. Jeanguenat; F. Lisco; H-Y. Li; S. Nicolay et al. 

Acs Omega. 2022-11-30. DOI : 10.1021/acsomega.2c06318.

Lateral ion migration accelerates degradation in halide perovskite devices

D. A. Jacobs; C. M. Wolff; X-Y. Chin; K. Artuk; C. Ballif et al. 

Energy & Environmental Science. 2022-11-10. Vol. 15, num. 22, p. 5324-5339. DOI : 10.1039/d2ee02330j.

High-Resolution Photoemission Study of Neutron-Induced Defects in Amorphous Hydrogenated Silicon Devices

F. Peverini; M. Bizzarri; M. Boscardin; L. Calcagnile; M. Caprai et al. 

Nanomaterials. 2022-10-01. Vol. 12, num. 19, p. 3466. DOI : 10.3390/nano12193466.

New metric for carrier selective contacts for silicon heterojunction solar cells

R. K. Sharma; M. Boccard; J. Holovsky 

Solar Energy. 2022-09-15. Vol. 244, p. 168-174. DOI : 10.1016/j.solener.2022.08.047.

Correlating light-induced deep defects and phase segregation in mixed-halide perovskites

K. Ridzonova; R. Grill; A. P. Amalathas; B. Dzurnak; N. Neykova et al. 

Journal Of Materials Chemistry A. 2022-08-25. DOI : 10.1039/d2ta03538c.

Three-dimensional in situ imaging of single-grain growth in polycrystalline In2O3:Zr films

D. Dzhigaev; Y. Smirnov; P-A. Repecaud; L. A. B. Marcal; G. Fevola et al. 

Communications Materials. 2022-06-17. Vol. 3, num. 1, p. 38. DOI : 10.1038/s43246-022-00260-4.

A 3D indicator for guiding AI applications in the energy sector

H. Quest; M. Cauz; F. Heymann; C. Rod; L. Perret et al. 

Energy and AI. 2022-05-20. Vol. 9, p. 1-13, 100167. DOI : 10.1016/j.egyai.2022.100167.

Quantitative Analysis of Nanorough Hydrogenated Si(111) Surfaces through Vibrational Spectral Assignment by Periodic DFT Calculations br

J. Holovsky; J. Sebera; V. Sychrovsky; J. Zemen; S. De Wolf et al. 

Journal Of Physical Chemistry C. 2022-05-19. Vol. 126, num. 19, p. 8278-8286. DOI : 10.1021/acs.jpcc.1c09766.

Calibration of ground surface albedo models

A. Tuomiranta; P-J. Alet; C. Ballif; H. Ghedira 

Solar Energy. 2022-05-01. Vol. 237, p. 239-252. DOI : 10.1016/j.solener.2022.03.047.

Impact of rapid thermal processing on bulk and surface recombination mechanisms in FZ silicon with fired passivating contacts

Haug; S. Libraro; M. Lehmann; A. Morisset; A. Ingenito et al. 

Solar Energy Materials And Solar Cells. 2022-05-01. Vol. 238, p. 111647. DOI : 10.1016/j.solmat.2022.111647.

In Situ Reflectometry and Diffraction Investigation of the Multiscale Structure of p-Type Polysilicon Passivating Contacts for c-Si Solar Cells

A. Morisset; T. Famprikis; F-J. Haug; A. Ingenito; C. Ballif et al. 

Acs Applied Materials & Interfaces. 2022-04-13. Vol. 14, num. 14, p. 16413-16423. DOI : 10.1021/acsami.2c01225.

Bulk Defects and Hydrogenation Kinetics in Crystalline Silicon Solar Cells With Fired Passivating Contacts

M. Lehmann; A. Desthieux; N. Valle; A. Morisset; P. Wyss et al. 

Ieee Journal Of Photovoltaics. 2022-04-11. Vol. 12, num. 3, p. 711-721. DOI : 10.1109/JPHOTOV.2022.3161871.

Testing of planar hydrogenated amorphous silicon sensors with charge selective contacts for the construction of 3D-detectors

M. Menichelli; M. Bizzarri; M. Boscardin; M. Caprai; A. Caricato et al. 

Journal of Instrumentation. 2022-03-18. Vol. 17, num. 03, p. C03033. DOI : 10.1088/1748-0221/17/03/C03033.

Single photon detection with amorphous silicon-based microchannel plates: A Monte Carlo model

J. Löffler; J. Thomet; S. Frey; C. Ballif; N. Wyrsch 

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 2022-03-17. Vol. 1032, p. 166589. DOI : 10.1016/j.nima.2022.166589.

From pulsed-DCMS and HiPIMS to microwave plasma-assisted sputtering: Their influence on the properties of diamond-like carbon films

C. Hain; D. Brown; A. Welsh; K. Wieczerzak; R. Weiss et al. 

Surface & Coatings Technology. 2022-02-25. Vol. 432, p. 127928. DOI : 10.1016/j.surfcoat.2021.127928.

Monocrystalline 1.7-eV MgCdTe solar cells

J. Ding; C. M. Campbell; J. J. Becker; C-Y. Tsai; S. T. Schaefer et al. 

Journal Of Applied Physics. 2022-01-14. Vol. 131, num. 2, p. 023107. DOI : 10.1063/5.0071682.

Localisation of front side passivating contacts for direct metallisation of high-efficiency c-Si solar cells

F. Meyer; A. Ingenito; J. J. D. Leon; X. Niquille; C. Allebe et al. 

Solar Energy Materials And Solar Cells. 2022-01-01. Vol. 235, p. 111455. DOI : 10.1016/j.solmat.2021.111455.

Operating Temperatures and Diurnal Temperature Variations of Modules Installed in Open-Rack and Typical BIPV Configurations

E. Oezkalay; G. Friesen; M. Caccivio; P. Bonomo; A. Fairbrother et al. 

Ieee Journal Of Photovoltaics. 2022-01-01. Vol. 12, num. 1, p. 133-140. DOI : 10.1109/JPHOTOV.2021.3114988.

Transferability of the light-soaking benefits on silicon heterojunction cells to modules

J. Cattin; D. Petri; J. Geissbühler; M. Despeisse; C. Ballif et al. 

IEEE Journal of Photovoltaics. 2022. Vol. 12, num. 3, p. 662-668. DOI : 10.1109/JPHOTOV.2021.3113861.

Conference Papers

Contact Resistivity Measurements and their Applicability for Accurate Series Resistance Breakdown in Heterojunction Solar Cell

L. Antognini; L-L. Senaud; D. Turkay; L. Marthey; J. Dreon et al. 

2022-01-01. 11th International Conference on Crystalline Silicon Photovoltaics (SiliconPV), ELECTR NETWORK, Apr 19-23, 2021. p. 020002. DOI : 10.1063/5.0090643.

Reviews

Monolithic Perovskite-Silicon Tandem Solar Cells: From the Lab to Fab?

F. Fu; J. Li; T. C-J. Yang; H. Liang; A. Faes et al. 

Advanced Materials. 2022-04-07.  p. 2106540. DOI : 10.1002/adma.202106540.

Status and perspectives of crystalline silicon photovoltaics in research and industry

C. Ballif; F-J. Haug; M. Boccard; P. J. Verlinden; G. Hahn 

Nature Reviews Materials. 2022-03-07. Vol. 7, p. 597–616. DOI : 10.1038/s41578-022-00423-2.

Theses

Contact Design for Silicon Heterojunction Solar Cells

L. M. Antognini / C. Ballif; M. G. Boccard (Dir.)  

Lausanne, EPFL, 2022. 

The role of Encapsulants in the long-term performance of advanced Crystalline Silicon Glass-Glass PV modules

L. Gnocchi / C. Ballif; A. F. A. Virtuani (Dir.)  

Lausanne, EPFL, 2022. 

Molybdenum oxide as a case study for the diagnosis of carrier selective contacts in silicon heterojunction solar cells

J. A. Dreon / C. Ballif; M. G. Boccard (Dir.)  

Lausanne, EPFL, 2022. 

Material Development for Perovskite/Silicon Tandem Photovoltaics

P. J. Fiala / C. Ballif; Q. T. Jeangros (Dir.)  

Lausanne, EPFL, 2022. 

Characterization and Development of Fired Passivating Contacts for Silicon Solar Cells

M. J. Lehmann / F-J. Haug; C. Ballif (Dir.)  

Lausanne, EPFL, 2022. 

Student Projects

Life Cycle Assessment of Heterojunction Solar Cells. From Raw Materials to Final Devices

A. Barrou 

2022-10-01.

2021

Journal Articles

A round Robin-Highliting on the passivating contact technology

T. Fellmeth; F. Feldmann; B. Steinhauser; H. Nagel; S. Mack et al. 

Epj Photovoltaics. 2021-12-15. Vol. 12, p. 12. DOI : 10.1051/epjpv/2021011.

Temperature‐dependent performance of silicon heterojunction solar cells with transition‐metal‐oxide‐based selective contacts

A. H. T. Le; J. Dréon; J. I. Michel; M. Boccard; J. Bullock et al. 

Progress in Photovoltaics: Research and Applications. 2021-11-30.  p. 1-13. DOI : 10.1002/pip.3509.

A Blockchain-Supported Framework for Charging Management of Electric Vehicles

M. Dorokhova; J. Vianin; J-M. Alder; C. Ballif; N. Wyrsch et al. 

Energies. 2021-11-01. Vol. 14, num. 21, p. 7144. DOI : 10.3390/en14217144.

Effects of Work Function and Electron Affinity on the Performance of Carrier-Selective Contacts in Silicon Solar Cells Using ZnSnx Ge-1 (-) N-x(2) as a Case Study

D. Febba; V. Paratte; L. Antognini; J. Dreon; J. Hurni et al. 

Ieee Journal Of Photovoltaics. 2021-11-01. Vol. 11, num. 6, p. 1350-1357. DOI : 10.1109/JPHOTOV.2021.3109585.

Long-Term Performance and Shade Detection in Building Integrated Photovoltaic Systems

A. Fairbrother; H. Quest; E. Ozkalay; P. Walchli; G. Friesen et al. 

Solar Rrl. 2021-10-17.  p. 2100583. DOI : 10.1002/solr.202100583.

Fabrication of a Hydrogenated Amorphous Silicon Detector in 3-D Geometry and Preliminary Test on Planar Prototypes

M. Menichelli; M. Bizzarri; M. Boscardin; M. Caprai; A. P. Caricato et al. 

Instruments. 2021-10-08. Vol. 5, num. 4, p. 1-14, 32. DOI : 10.3390/instruments5040032.

Performance Limitations and Analysis of Silicon Heterojunction Solar Cells Using Ultra-Thin MoOx Hole-Selective Contacts

J. Dreon; J. Cattin; G. Christmann; D. Febba; V. Paratte et al. 

Ieee Journal Of Photovoltaics. 2021-09-01. Vol. 11, num. 5, p. 1158-1166. DOI : 10.1109/JPHOTOV.2021.3082400.

Toward Stable Monolithic Perovskite/Silicon Tandem Photovoltaics: A Six-Month Outdoor Performance Study in a Hot and Humid Climate

M. De Bastiani; E. Van Kerschaver; Q. Jeangros; A. U. Rehman; E. Aydin et al. 

Acs Energy Letters. 2021-08-13. Vol. 6, num. 8, p. 2944-2951. DOI : 10.1021/acsenergylett.1c01018.

Deep reinforcement learning control of electric vehicle charging in the presence of photovoltaic generation

M. Dorokhova; Y. Martinson; C. Ballif; N. Wyrsch 

Applied Energy. 2021-08-05. Vol. 301, p. 117504. DOI : 10.1016/j.apenergy.2021.117504.

Evaluation of secondary electron intensities for dopant profiling in ion implanted semiconductors: a correlative study combining SE, SIMS and ECV methods

C. N. S. Kumar; S. Tabean; A. Morisset; P. Wyss; M. Lehmann et al. 

Semiconductor Science And Technology. 2021-08-01. Vol. 36, num. 8, p. 085003. DOI : 10.1088/1361-6641/ac0854.

Quantification of hydrogen in nanostructured hydrogenated passivating contacts for silicon photovoltaics combining SIMS-APT-TEM: A multiscale correlative approach

S. Pal; J. Barrirero; M. Lehmann; Q. Jeangros; N. Valle et al. 

Applied Surface Science. 2021-07-30. Vol. 555, p. 149650. DOI : 10.1016/j.apsusc.2021.149650.

Passivating Polysilicon Recombination Junctions for Crystalline Silicon Solar Cells

F-J. Haug; A. Morisset; P. Wyss; M. Lehmann; A. Hessler-Wyser et al. 

physica status solidi (RRL) – Rapid Research Letters. 2021-07-15.  p. 2100272. DOI : 10.1002/pssr.202100272.

Worldwide performance evaluation of ground surface reflectance models

A. Tuomiranta; P-J. Alet; C. Ballif; H. Ghedira 

Solar Energy. 2021-07-02. Vol. 224, p. 1063-1078. DOI : 10.1016/j.solener.2021.06.023.

Influence of the Dopant Gas Precursor in P-Type Nanocrystalline Silicon Layers on the Performance of Front Junction Heterojunction Solar Cells

L. Antognini; V. Paratte; J. Haschke; J. Cattin; J. Dreon et al. 

Ieee Journal Of Photovoltaics. 2021-07-01. Vol. 11, num. 4, p. 944-956. DOI : 10.1109/JPHOTOV.2021.3074072.

Multimodal Microscale Imaging of Textured Perovskite-Silicon Tandem Solar Cells

E. M. Tennyson; K. Frohna; W. K. Drake; F. Sahli; T. C-J. Yang et al. 

Acs Energy Letters. 2021-06-11. Vol. 6, num. 6, p. 2293-2304. DOI : 10.1021/acsenergylett.1c00568.

Routing of Electric Vehicles With Intermediary Charging Stations: A Reinforcement Learning Approach

M. Dorokhova; C. Ballif; N. Wyrsch 

Frontiers in Big Data. 2021-05-26. Vol. 4. DOI : 10.3389/fdata.2021.586481.

Advanced method for electrical characterization of carrier-selective passivating contacts using transfer-length-method measurements under variable illumination

L-L. Senaud; P. Procel; G. Christmann; A. Descoeudres; J. Geissbühler et al. 

Journal of Applied Physics. 2021-05-21. Vol. 129, num. 19, p. 195707. DOI : 10.1063/5.0042854.

Influence of Light Soaking on Silicon Heterojunction Solar Cells With Various Architectures

J. Cattin; L-L. Senaud; J. Haschke; B. Paviet-Salomon; M. Despeisse et al. 

Ieee Journal Of Photovoltaics. 2021-05-01. Vol. 11, num. 3, p. 575-583. DOI : 10.1109/JPHOTOV.2021.3065537.

Real-World Implementation of an ICT-Based Platform to Promote Energy Efficiency

M. Dorokhova; F. Ribeiro; A. Barbosa; J. Viana; F. Soares et al. 

Energies. 2021-04-23. Vol. 14, num. 9, p. 2416. DOI : 10.3390/en14092416.

Conference Papers

Stability of inks used for masking metallic interconnects in BIPV modules

A. Borja Block; A. Virtuani; C. Ballif 

2021-09-06. 38th European Photovoltaic Solar Energy Conference and Exhibition (EU PVSEC 2021), Online, September 6-10, 2021.

Reviews

Vapor deposition of metal halide perovskite thin films: Process control strategies to shape layer properties

Q. J-M. A. Guesnay; F. Sahli; C. Ballif; Q. Jeangros 

APL Materials. 2021-10-12. Vol. 9, num. 10, p. 100703. DOI : 10.1063/5.0060642.

Posters

Stability of inks used for masking metallic interconnects in BIPV modules

A. Borja Block; A. Virtuani; C. Ballif 

38th European Photovoltaic Solar Energy Conference and Exhibition (EU PVSEC 2021), Online, September 6-10, 2021.

Student Projects

Generic Occupancy Sensor

S. C. Kamal 

2021-06-11.