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Materials Science
Switzerland
2026

D-Index & Metrics

Materials Science

D-Index
105
Citations
40445
World Ranking
842
National Ranking
9

Research.com Recognitions

  • 2026 - Research.com Materials Science in Switzerland Leader Award
  • 2025 - Research.com Materials Science in Switzerland Leader Award
  • 2022 - Research.com Materials Science in Switzerland Leader Award

Overview

Christophe Ballif is affiliated with École Polytechnique Fédérale de Lausanne in Switzerland. The main field of their research is Engineering, with a significant focus on Electrical and Electronic Engineering. Their work also spans Atomic and Molecular Physics and Optics, Renewable Energy, Sustainability and the Environment, Materials Chemistry, and Environmental Engineering.

The topics covered in Ballif's research include Silicon and Solar Cell Technologies, Thin-Film Transistor Technologies, Perovskite Materials and Applications, Semiconductor Materials and Interfaces, Photovoltaic System Optimization Techniques, solar cell performance optimization, and Conducting Polymers and Applications.

Recent papers authored or co-authored by Ballif include the following:

  • Status and perspectives of crystalline silicon photovoltaics in research and industry, 2022, Nature Reviews Materials
  • Interface passivation for 31.25%-efficient perovskite/silicon tandem solar cells, 2023, Science
  • 23.5%-efficient silicon heterojunction silicon solar cell using molybdenum oxide as hole-selective contact, 2020, Nano Energy
  • Deep reinforcement learning control of electric vehicle charging in the presence of photovoltaic generation, 2021, Applied Energy
  • Influence of the Subcell Properties on the Fill Factor of Two-Terminal Perovskite-Silicon Tandem Solar Cells, 2020, ACS Energy Letters

Frequent co-authors working closely with Ballif include Quentin Jeangros, N. Wyrsch, Franz-Josef Haug, Mathieu Boccard, and Christian M. Wolff.

Ballif has published extensively in venues such as IEEE Journal of Photovoltaics, Solar Energy Materials and Solar Cells, arXiv (Cornell University), SSRN Electronic Journal, and Progress in Photovoltaics Research and Applications.

Best Publications

  • Organometallic Halide Perovskites: Sharp Optical Absorption Edge and Its Relation to Photovoltaic Performance

    Stefaan De Wolf;Jakub Holovsky;Soo-Jin Moon;Philipp Löper

  • Fully textured monolithic perovskite/silicon tandem solar cells with 25.2% power conversion efficiency.

    Florent Sahli;Jérémie Werner;Brett A. Kamino;Matthias Bräuninger

  • High-efficiency Silicon Heterojunction Solar Cells: A Review

    Stefaan De Wolf;Antoine Descoeudres;Zachary C. Holman;Christophe Ballif

  • Current Losses at the Front of Silicon Heterojunction Solar Cells

    Z. C. Holman;A. Descoeudres;L. Barraud;F. Z. Fernandez

  • Efficient Monolithic Perovskite/Silicon Tandem Solar Cell with Cell Area >1 cm2

    Jérémie Werner;Ching Hsun Weng;Arnaud Walter;Luc Fesquet

  • Efficient silicon solar cells with dopant-free asymmetric heterocontacts

    James Bullock;Mark Hettick;Mark Hettick;Jonas Geissbühler;Alison J. Ong;Alison J. Ong

  • Raising the one-sun conversion efficiency of III-V/Si solar cells to 32.8% for two junctions and 35.9% for three junctions

    Stephanie Essig;Christophe Allebé;Timothy Remo;John F. Geisz

  • Complex Refractive Index Spectra of CH3NH3PbI3 Perovskite Thin Films Determined by Spectroscopic Ellipsometry and Spectrophotometry

    Philipp Löper;Michael Stuckelberger;Bjoern Niesen;Jérémie Werner

  • Light trapping in solar cells: can periodic beat random?

    Corsin Battaglia;Ching-Mei Hsu;Karin Söderström;Jordi Escarré

  • 22.5% efficient silicon heterojunction solar cell with molybdenum oxide hole collector

    Jonas Geissbühler;Jérémie Werner;Silvia Martin de Nicolas;Loris Barraud

  • Silicon heterojunction solar cell with passivated hole selective MoOx contact

    Corsin Battaglia;Corsin Battaglia;Silvia Martín de Nicolás;Stefaan De Wolf;Xingtian Yin;Xingtian Yin

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

    Unknown

  • Transparent Electrodes for Efficient Optoelectronics

    Monica Morales-Masis;Stefaan De Wolf;Rachel Woods-Robinson;Joel W. Ager;Joel W. Ager

  • Perovskite/silicon tandem solar cells: marriage of convenience or true love story? - An overview

    Jérémie Werner;Bjoern Niesen;Christophe Ballif

  • Organic-inorganic halide perovskite/crystalline silicon four-terminal tandem solar cells

    Philipp Löper;Soo-Jin Moon;Sílvia Martín de Nicolas;Bjoern Niesen

  • Efficient Near-Infrared-Transparent Perovskite Solar Cells Enabling Direct Comparison of 4-Terminal and Monolithic Perovskite/Silicon Tandem Cells

    Jérémie Werner;Loris Barraud;Arnaud Walter;Matthias Bräuninger

  • Infrared light management in high-efficiency silicon heterojunction and rear-passivated solar cells

    Zachary C. Holman;Miha Filipič;Miha Filipič;Antoine Descoeudres;Stefaan De Wolf

  • Model for a-Si: H/c-Si interface recombination based on the amphoteric nature of silicon dangling bonds

    Sara Olibet;Evelyne Vallat-Sauvain;Christophe Ballif

  • CH 3 NH 3 PbI 3 perovskite / silicon tandem solar cells: characterization based optical simulations

    Miha Filipič;Philipp Löper;Bjoern Niesen;Stefaan De Wolf

  • Silver thick-film contacts on highly doped n-type silicon emitters: Structural and electronic properties of the interface

    C. Ballif;D. M. Huljić;G. Willeke;A. Hessler-Wyser

  • Nanomoulding of transparent zinc oxide electrodes for efficient light trapping in solar cells

    Corsin Battaglia;Jordi Escarré;Karin Söderström;Mathieu Charrière

Frequent Co-Authors

Matthieu Despeisse
Matthieu Despeisse Swiss Center for Electronics and Microtechnology (Switzerland)
Stefaan De Wolf
Stefaan De Wolf King Abdullah University of Science and Technology
Franz-Josef Haug
Franz-Josef Haug École Polytechnique Fédérale de Lausanne
Sylvain Nicolay
Sylvain Nicolay Université de Sherbrooke
Corsin Battaglia
Corsin Battaglia Swiss Federal Laboratories for Materials Science and Technology
Zachary C. Holman
Zachary C. Holman Arizona State University
Marko Topič
Marko Topič University of Ljubljana
Francis Levy
Francis Levy École Polytechnique Fédérale de Lausanne
Pierre Jarron
Pierre Jarron European Organization for Nuclear Research
Ali Javey
Ali Javey University of California, Berkeley

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