Symposium Program

Edmond Becquerel: A Passion for Light

Online Symposium
Date : December 7 2020.

Symposium Opening

8:30am – 9:00am: Opening

Chairs: Daniel Lincot and Bertrand Lavédrine.

  • Addresses from representatives of the Museum national d’Histoire naturelle (MNHN), Institut Photovoltaïque d’Ile-de-France (IPVF), Conservatoire national des arts et métiers (CNAM), Académie des Sciences and Becquerel Prize Committee:

– Bruno David, President of the MNHN.

– Roch Drozdowski-Strehl, Chief Executive Officer of IPVF.

– Pascale Heurtel, Director of CNAM Libraries.

– Didier Roux, Member of the Académie des Sciences.

– Joachim Luther, Chairman of the Becquerel Prize Committee.

9:00am – 9:45am: Inaugural Session

Chairs: Daniel Lincot and Bertrand Lavédrine.

  • A Passion for Extreme Light, Gérard Mourou (Nobel Prize in Physics 2018, École polytechnique).
  • Rediscovery of Edmond Becquerel, a great experimenter, Christine Blondel (CNRS).

Edmond Becquerel’s Contributions

9:45am – 10:30am: Photovoltaics

Chairs: Jean-Éric Bourée (CNRS, FR) and Jim Sites (Univ. Colorado, USA).

  • The electrochemical actinometer and the discovery of the photovoltaic effect, Jérôme Fatet (Université de Limoges).
  • Modern interpretation of the photovoltaic effect discovery, Daniel Lincot (CNRS-IPVF).

10:30am – 11:15am: Photography

Chairs: Edmond Amouyal (CNRS-EP, FR) and Hynd Remita (Univ. Paris Saclay, FR).

  • Edmond Becquerel and photography, Bertrand Lavédrine, Victor de Seauve (MNHN-CNRS).
  • The color photography of Edmond Becquerel and quantum mechanics, Lucia Reining, Francesco Sottile (École polytechnique).

11:15am – 12:00pm: Phosphorescence and luminescence

Chairs: Jean-Louis Lazzari (CNRS, FR) and Lawrence Peter (Univ. Bath, UK).

  • The phosphoroscope of Edmond Becquerel: The reconstructed experiment, Guilhem Gallot (École polytechnique).
  • From phosphorescence to ultimate solar cell efficiency, Jean-François Guillemoles (CNRS-IPVF).

12:00pm – 12:30pm: Exchanges – Discussion

12:30pm – 2:00pm: Break

2:00pm – 2:30pm: Invited video testimonies (accessed in parallel)

Olivier Azzola (École polytechnique, France): The Becquerels at the Museum of École polytechnique.

Édouard de Saint-Ours (University of St Andrews, UK): The reception of Edmond Becquerel’s incomplete colour photography process.

Makoto Konagai (Tokyo City University, Japan): Looking back on the innovative solar cell development in Japan.

Lawrence Peter (Bath University, UK): The Experience of Phosphoroscope.

James Sites (Colorado State University, USA, Cherry Award 2020): Evolution of Thin Films Photovoltaics.

Pierre Verlinden (Amrock, Australia, Becquerel Prize Awardee 2019): From Edmond Becquerel experiments to reaching 1 Terawatt of cumulative Photovoltaic installation by 2022.

Jean-Marie Voignier (Amis du Musée de Chatillon-Coligny): Guided visit of the Becquerel’s room at Chatillon-Coligny Museum.

To be completed

Edmond Becquerel’s Legacy

2:30pm – 2:45pm: Session opening

Chair: Hans Schock (HZB, GER, Becquerel Prize Awardee 2010).

  • The Becquerel Prize, Joachim Luther (Chairman of the Becquerel Committee, ISE Fraunhofer).

2:45pm – 3:35pm: Recent development in photovoltaics

Chairs: Joachim Luther (GER) and Nathanaelle Schneider (CNRS-IPVF, FR).

  • The advent of Perovskite solar cells, Henry Snaith (Oxford PV) , Becquerel Prize Awardee 2020.
  • Photovoltaic applications today and tomorrow, from industry to artworks, Christophe Ballif (CSEM-EPFL), Becquerel Prize Awardee 2016.

3:35pm – 3:55pm: Break

3:55pm – 4:30pm: State of the art of photovoltaics deployment

Chairs to be confirmed (GER, JAP).

  • General overview, Gaëtan Masson (Institut Becquerel, Bruxelles).
  • The photovoltaic industry in France in 2020, Xavier Daval (SER), Richard Loyen (ENERPLAN).

4:30pm – 5:00pm: Exchanges – Discussion

5:00pm – 5:30pm: Closing Session

  • – Catherine Langlais, President of the French Society of Physics (SFP).
  • – Paolo Frankl, Director of renewable energies in International Energy Agency (IEA).
  • Closing address : Bertrand Lavédrine, Daniel Lincot.

Languages: French and English with simultaneous translation
On line access: ZOOM virtual conference tool
(access details will be provided to all registered participants)