PhD-Postdoc series

Starting September 2021

The Next Generation Solar Energy (NGSE) PhD-Postdoc series aims to promote the work of Emerging Scientists (PhD students and Postdocs) in the field of solar energy. While a lot of talks in mainstream conferences are given by professors or group leaders, here only early career researchers will present in order to promote a new generation of promising scientists.
Group leaders and professors are more than welcome to attend the talks and ask questions to the speaker. In this fashion, the series will provide a platform for experienced scientists to give feedback and challenge the young generation, but also to scout for future potential collaborators and colleagues.
This series aims to facilitate discussions and to allow for deeper insights into phenomena as well as characterization techniques. As such, presentations will focus on clearly defined topics covered in-depth, rather than a list of big achievements.
The organization of the series and the selections of the future speakers is made by a committee (to be announced) also composed of early career researchers as well as past speakers.
Presentations will be given on the second and fourth Wednesday of every month at 5 PM (GMT+2) Berlin time which is 8 AM (GMT-7) Los Angeles time, 11 AM (GMT-4) Montreal, 11 PM (GMT+8) Beijing. The talks are held online (via Zoom) to ensure that researchers from around the world can present and attend. Talks will last between 20 to 30 min (max) followed by 10 min of questions.
With the speakers’ permission (embargo period possible) the talks will be recorded and uploaded to a dedicated YouTube channel. At the end of every academic year a vote (50% community vote 50% committee) will be organized to select and award the “NGSE – Best Speaker of the Year”.

Looking forward to welcome all of you to these events,

Dr. V.M. Le Corre

Next talk January 26th at 5 PM Berlin time:

Simon Kahmann

Taking a closer look: the power of optical microscopy to unravel the complex world of two-dimensional perovskites.
Studied since the 1980’s, research on two-dimensional perovskites has only recently exploded in the shadow of their 3D counterparts. Now, these compounds are studied for improved performance and stability of solar cells, light-emitting devices, scintillators, gas detectors, and many more applications. As a consequence of their two-dimensional nature, they are also prime candidates for studying fundamental exciton physics.
Liberated from the tight constraints of the Goldschmidt tolerance factor, the field produces an ever-growing library of potential spacer cations. Whereas early work was mostly based on simple primary amines with alkyl chains or a benzene ring, current efforts include heteroatoms, complex aromatic systems, chiral molecules, and bifunctional spacers.
I shall introduce some of the interesting aspects of 2D perovskites beyond their use in PV applications. In particular, I shall address currently debated topics regarding their bright luminescence: what is the origin of broad emission bands? Is Kasha’s rule broken? And what’s the matter with Dion-Jacobson compounds?
Besides such fundamental questions, I’ll use these studies to illustrate the power of optical microscopy experiments for research in energy materials – be they low-dimensional, perovskites, or organic.


The registration to attend the NGSE – PhD-Postdoc series is free of charge!

To register in advance please follow the links below:

Click here to register for the second Wednesday of the month talks

Click here to register for the fourth Wednesday of the month talks

Note that if you register once for either of the meetings you will not have to register again.

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26-01-2022 Simon Kahmann
– University of Cambridge, UK
Taking a closer look: the power of optical microscopy to unravel the complex world of two-dimensional perovskites.
09-02-2022Erkan Aydin
To be announced
23-02-2022Mathias U. RothmannMathias Uller Rothmann
– University of Oxford, UK
To be announced
09-03-2022Rhiannon Kennard
– UC Santa Barbara, US
– University of Sheffield, UK
To be announced
23-03-2022‪Pietro Caprioglio
– University of Oxford, UK
To be announced
13-04-2022Nutifafa Doumon
– INRS, Ca
To be announced

Past speakers:

24-11-2021Lorena Perdigón Toro‬
– University of Potsdam, DE
What have we learned so far from state-of-the-art organic solar cells?
10-11-2021Felix Lang
– University of Potsdam, DE
Perovskite-based Tandem Photovoltaics for Near-Earth, Moon, Mars and Deep Space Applications.
From Radiation Tolerance to Open Challenges.
27-10-2021Moritz Futscher
Ion migration in halide perovskites: Opportunities and challenges.
13-10-2021Jarla Thiesbrummel
– University of Oxford, UK
Universal Current Losses in Perovskite Solar Cells Due to Mobile Ions.
22-09-2021Christion M. Wolff
Light management in perovskite single- and multi-junction solar cells