Sascha Feldmann
@feldmannlab.bsky.social
Scientist passionate about sustainable energy materials, lifting & baking! @EPFL @Harvard
TT-Ass. Prof. #firstgen feldmannlab.com
TT-Ass. Prof. #firstgen feldmannlab.com
wonderful to catch up with friends across the globe at @nanoge.org MatSus Fall Meeting in beautiful Valencia! Proud of the rest of the team presenting their own research journeys to the community :))
October 24, 2025 at 10:20 AM
wonderful to catch up with friends across the globe at @nanoge.org MatSus Fall Meeting in beautiful Valencia! Proud of the rest of the team presenting their own research journeys to the community :))
Reposted by Sascha Feldmann
🌟 Innovations in optoelectronics at #MATSUS25! From lead-free Sn nanocrystals and chiral perovskites to photodoping, spin/polarization tracking, ML-based characterization, and next-gen perovskite LEDs pushing the boundaries of materials science.
🔗 nanoge.org/MATSUSFall25/home
🔗 nanoge.org/MATSUSFall25/home
October 21, 2025 at 1:33 PM
🌟 Innovations in optoelectronics at #MATSUS25! From lead-free Sn nanocrystals and chiral perovskites to photodoping, spin/polarization tracking, ML-based characterization, and next-gen perovskite LEDs pushing the boundaries of materials science.
🔗 nanoge.org/MATSUSFall25/home
🔗 nanoge.org/MATSUSFall25/home
Reposted by Sascha Feldmann
🟣Conversations and collaborations brew during breaks at #MATSUS25, where discussions spark new ideas and innovations across materials science, perovskites, catalysis, and more, fueling science beyond the sessions.
🔗 More info at the website: nanoge.org/MATSUSFall25/home
🔗 More info at the website: nanoge.org/MATSUSFall25/home
October 22, 2025 at 9:24 AM
🟣Conversations and collaborations brew during breaks at #MATSUS25, where discussions spark new ideas and innovations across materials science, perovskites, catalysis, and more, fueling science beyond the sessions.
🔗 More info at the website: nanoge.org/MATSUSFall25/home
🔗 More info at the website: nanoge.org/MATSUSFall25/home
Postdoc Opening at EPFL - please share!
I am hiring a post-doctoral fellow here in the Laboratory for Energy Materials at EPFL to work on the next generation of quantum light sources, with an earliest start date of January 2026 for up to 4 years.
#quantum #light #energymaterials #academia #jobalert
I am hiring a post-doctoral fellow here in the Laboratory for Energy Materials at EPFL to work on the next generation of quantum light sources, with an earliest start date of January 2026 for up to 4 years.
#quantum #light #energymaterials #academia #jobalert
October 15, 2025 at 2:03 PM
Postdoc Opening at EPFL - please share!
I am hiring a post-doctoral fellow here in the Laboratory for Energy Materials at EPFL to work on the next generation of quantum light sources, with an earliest start date of January 2026 for up to 4 years.
#quantum #light #energymaterials #academia #jobalert
I am hiring a post-doctoral fellow here in the Laboratory for Energy Materials at EPFL to work on the next generation of quantum light sources, with an earliest start date of January 2026 for up to 4 years.
#quantum #light #energymaterials #academia #jobalert
2 back-to-back conferences packed with amazing science and people: The @beilstein-institut.bsky.social Symposium on #Organic #Chemistry in Frankfurt & @natureportfolio.nature.com Conference on #perovskite #PV in Stuttgart - thanks for the kind invitations to discuss with such wonderful colleagues🫶
October 1, 2025 at 12:33 PM
2 back-to-back conferences packed with amazing science and people: The @beilstein-institut.bsky.social Symposium on #Organic #Chemistry in Frankfurt & @natureportfolio.nature.com Conference on #perovskite #PV in Stuttgart - thanks for the kind invitations to discuss with such wonderful colleagues🫶
An amazing week in late-summer Perugia comes to an end with #PSCO 2025 - the international conference on #perovskite #solarcells and #optoelectronics!
Thank you to the main organizers, Filippo, Annamaria & Henry, for the invitation to this special place with so many friends!
Thank you to the main organizers, Filippo, Annamaria & Henry, for the invitation to this special place with so many friends!
September 19, 2025 at 6:51 AM
An amazing week in late-summer Perugia comes to an end with #PSCO 2025 - the international conference on #perovskite #solarcells and #optoelectronics!
Thank you to the main organizers, Filippo, Annamaria & Henry, for the invitation to this special place with so many friends!
Thank you to the main organizers, Filippo, Annamaria & Henry, for the invitation to this special place with so many friends!
Our latest collaborative work with Raffaella Buonsanti‘s lab on nanocrystal-dye energy transfer is out now in JACS @jacs.acspublications.org :)
pubs.acs.org/doi/10.1021/...
pubs.acs.org/doi/10.1021/...
c-ALD-Grown Metal Oxide Shell Enables Distance-Independent Triplet Energy Transfer from Quantum Dots to Molecular Dyes
Hybrid nanocomposites including quantum dots (QDs) and molecular dyes offer tunability of charge and energy transfer processes, which are attractive for applications spanning from light-emitting devic...
pubs.acs.org
August 18, 2025 at 12:42 PM
Our latest collaborative work with Raffaella Buonsanti‘s lab on nanocrystal-dye energy transfer is out now in JACS @jacs.acspublications.org :)
pubs.acs.org/doi/10.1021/...
pubs.acs.org/doi/10.1021/...
Reposted by Sascha Feldmann
We have an opening in our institute at #EPFL for a tenure-track assistant professor position.
Please repost...
www.epfl.ch/about/workin...
Please repost...
www.epfl.ch/about/workin...
July 22, 2025 at 1:26 PM
We have an opening in our institute at #EPFL for a tenure-track assistant professor position.
Please repost...
www.epfl.ch/about/workin...
Please repost...
www.epfl.ch/about/workin...
Impressions from two amazing weeks of Chirality & Spin at the #Chirality 2025 Conference in New York City and the GRC in New Hampshire! #sciencerocks #collaboration #friendship 🌀so much fun and great research from friends across the globe!
August 8, 2025 at 3:10 PM
Impressions from two amazing weeks of Chirality & Spin at the #Chirality 2025 Conference in New York City and the GRC in New Hampshire! #sciencerocks #collaboration #friendship 🌀so much fun and great research from friends across the globe!
Reposted by Sascha Feldmann
@feldmannlab.bsky.social, head of the Laboratory for Energy Materials at EPFL and one of C&EN's Talented 12, will be speaking at the #CENT12 Symposium on Monday, August 18 in Washington, DC. RSVP here: connect.discoveracs.org/talented-12-...
Read more: cen.acs.org/materials/ph...
Read more: cen.acs.org/materials/ph...
July 27, 2025 at 4:18 PM
@feldmannlab.bsky.social, head of the Laboratory for Energy Materials at EPFL and one of C&EN's Talented 12, will be speaking at the #CENT12 Symposium on Monday, August 18 in Washington, DC. RSVP here: connect.discoveracs.org/talented-12-...
Read more: cen.acs.org/materials/ph...
Read more: cen.acs.org/materials/ph...
spontaneous visit at @cern.bsky.social CERN’s anti-matter factory with Marina @proffreitag.bsky.social as she is in the area!🤓 #cern #nerdingaround
July 27, 2025 at 9:43 AM
spontaneous visit at @cern.bsky.social CERN’s anti-matter factory with Marina @proffreitag.bsky.social as she is in the area!🤓 #cern #nerdingaround
Join our faculty and be my colleague at an amazing school! We are #hiring at EPFL! www.epfl.ch/about/workin...
Tenure Track Assistant Professor in Experimental Physical or Analytical Chemistry
EPFL is a leading university with strong emphasis on basic sciences, engineering and life sciences. Research within its Institute of Chemical Sciences and Engineering (ISIC) includes synthetic, biolog...
www.epfl.ch
July 22, 2025 at 2:20 PM
Join our faculty and be my colleague at an amazing school! We are #hiring at EPFL! www.epfl.ch/about/workin...
Posting on behalf of Yuanyuan (Alvin) Zhou and other great colleagues not here yet: check out our a new collaborative review on Bioinspired design for #perovskite #PV in @natrevcleantech.nature.com
Nat.Rev.CleanTech! 🍀🍃☀️
doi.org/10.1038/s443...
Nat.Rev.CleanTech! 🍀🍃☀️
doi.org/10.1038/s443...
Bio-inspired multiscale design for perovskite solar cells - Nature Reviews Clean Technology
Perovskite solar cells have stability issues that prevent their widespread adoption as a photovoltaic technology. This Review explores how natural biomaterial structures have evolved to solve similar ...
doi.org
July 16, 2025 at 8:51 AM
Posting on behalf of Yuanyuan (Alvin) Zhou and other great colleagues not here yet: check out our a new collaborative review on Bioinspired design for #perovskite #PV in @natrevcleantech.nature.com
Nat.Rev.CleanTech! 🍀🍃☀️
doi.org/10.1038/s443...
Nat.Rev.CleanTech! 🍀🍃☀️
doi.org/10.1038/s443...
Great news feature on our recent @nature.com work for all interested in a summary with less jargon :) actu.epfl.ch/news/new-tec...
New technique captures every twist of polarized light
EPFL scientists have developed a new technique that lets researchers watch, with unprecedented sensitivity, how materials emit polarized light over time.
actu.epfl.ch
July 2, 2025 at 8:04 AM
Great news feature on our recent @nature.com work for all interested in a summary with less jargon :) actu.epfl.ch/news/new-tec...
Excited to share in @nature.com today: Broadband transient full-Stokes luminescence spectroscopy - detecting the most subtle changes in light polarization over time with unprecedented sensitivity. Grateful for the team that made this possible!😊 www.nature.com/articles/s41... #chirality #light
Broadband transient full-Stokes luminescence spectroscopy - Nature
A high-sensitivity, broadband, transient, full-Stokes spectroscopy setup is demonstrated, which can detect quickly varying small signals from chiral emitters.
www.nature.com
June 26, 2025 at 6:23 AM
Excited to share in @nature.com today: Broadband transient full-Stokes luminescence spectroscopy - detecting the most subtle changes in light polarization over time with unprecedented sensitivity. Grateful for the team that made this possible!😊 www.nature.com/articles/s41... #chirality #light
massive thanks to Paulina Plochocka, Michal, Mateusz & all organizers for inviting me to this 53rd International Conference on the Physics of Semiconductors, "Jaszowiec", which took place in the beautiful mountains of Szczyrk! minting your own coins is next level for a conference! #semiconductors
June 12, 2025 at 6:34 AM
massive thanks to Paulina Plochocka, Michal, Mateusz & all organizers for inviting me to this 53rd International Conference on the Physics of Semiconductors, "Jaszowiec", which took place in the beautiful mountains of Szczyrk! minting your own coins is next level for a conference! #semiconductors
Thank you so much for the recognition and for highlighting our group’s work!
Sascha Feldmann’s group at EPFL @feldmannlab.bsky.social probes the fundamentals of light, charge, and symmetry to boost solar photovoltaics, build energy-efficient electronics, and develop quantum information technologies. Read more: cen.acs.org/materials/ph...
#CENT12 #chemsky 🧪
#CENT12 #chemsky 🧪
May 25, 2025 at 2:36 PM
Thank you so much for the recognition and for highlighting our group’s work!
Thank you so much!😊
Great to see again EPFL Chemistry represented in the talented 12 again with @feldmannlab.bsky.social Congrats!
They’re here! Introducing the Talented 12 Class for 2025. These early-career scientists are taking on big global #chemistry challenges.
Meet the 2025 Class: cen.acs.org/people/profi...
#CENT12 #chemsky🧪
Meet the 2025 Class: cen.acs.org/people/profi...
#CENT12 #chemsky🧪
May 25, 2025 at 12:35 PM
Thank you so much!😊
New collaborative work led by the fantastic team of @dumelelab.bsky.social (& others!) out now in JACS @jacs.acspublications.org:
Homochiral vs racemic 2D Covalent Organic Frameworks - check out these beautiful structures TJ got the chance to investigate, open-access:
pubs.acs.org/doi/10.1021/...
Homochiral vs racemic 2D Covalent Organic Frameworks - check out these beautiful structures TJ got the chance to investigate, open-access:
pubs.acs.org/doi/10.1021/...
Homochiral versus Racemic 2D Covalent Organic Frameworks
The synthesis of homochiral two-dimensional covalent organic frameworks (2D COFs) from chiral π-conjugated building blocks is challenging, as chiral units often lead to misaligned stacking interaction...
pubs.acs.org
May 16, 2025 at 6:21 AM
New collaborative work led by the fantastic team of @dumelelab.bsky.social (& others!) out now in JACS @jacs.acspublications.org:
Homochiral vs racemic 2D Covalent Organic Frameworks - check out these beautiful structures TJ got the chance to investigate, open-access:
pubs.acs.org/doi/10.1021/...
Homochiral vs racemic 2D Covalent Organic Frameworks - check out these beautiful structures TJ got the chance to investigate, open-access:
pubs.acs.org/doi/10.1021/...
Celebrating Zach‘s Future PI news release with a little BBQ! 😎🎉☀️ #workhardplayhard #team @zacharyvanorman.bsky.social
May 15, 2025 at 3:56 PM
Celebrating Zach‘s Future PI news release with a little BBQ! 😎🎉☀️ #workhardplayhard #team @zacharyvanorman.bsky.social
It’s official 🎉🎉
We are so proud of you Zach, and so excited for your next steps! 😊
We are so proud of you Zach, and so excited for your next steps! 😊
I’m thrilled to share that this fall, I’ll be joining Hope College in beautiful Holland, MI, as an Assistant Professor of Chemistry! Continuing Hope’s strong undergrad research tradition, my lab will make, tune, and measure semiconductor nanocrystals for many applications. #ChemSky 🧪 #AcademicSky
May 8, 2025 at 11:08 AM
It’s official 🎉🎉
We are so proud of you Zach, and so excited for your next steps! 😊
We are so proud of you Zach, and so excited for your next steps! 😊
Check out our latest work in @jacs.acspublications.org on transition-metal doping of the very smallest of perovskite nanocrystals in a controlled manner, in air & at room temperature!
Well done @zacharyvanorman.bsky.social, Mateo and team! 🥳 #quantum #light #displays pubs.acs.org/doi/10.1021/...
Well done @zacharyvanorman.bsky.social, Mateo and team! 🥳 #quantum #light #displays pubs.acs.org/doi/10.1021/...
Metal Doping of Strongly Confined Halide Perovskite Nanocrystals under Ambient Conditions
Halide perovskite nanocrystals are promising materials for optoelectronic applications. Metal doping provides an avenue to boost their performance further, e.g., by enhancing light emission, or to pro...
pubs.acs.org
May 6, 2025 at 6:29 AM
Check out our latest work in @jacs.acspublications.org on transition-metal doping of the very smallest of perovskite nanocrystals in a controlled manner, in air & at room temperature!
Well done @zacharyvanorman.bsky.social, Mateo and team! 🥳 #quantum #light #displays pubs.acs.org/doi/10.1021/...
Well done @zacharyvanorman.bsky.social, Mateo and team! 🥳 #quantum #light #displays pubs.acs.org/doi/10.1021/...
Now in Adv.Mater. @zacharyvanorman.bsky.social & Ben find there is hope for Ge 2D perovskites for #light-emitting and other applications:
We show narrow linewidth emission & reduced phonon coupling💡🔦Nice collab. w/ Kanatzidis, Sargent & Voznyy groups!
advanced.onlinelibrary.wiley.com/doi/10.1002/...
We show narrow linewidth emission & reduced phonon coupling💡🔦Nice collab. w/ Kanatzidis, Sargent & Voznyy groups!
advanced.onlinelibrary.wiley.com/doi/10.1002/...
Narrow‐Linewidth Emission and Weak Exciton‐Phonon Coupling in 2D Layered Germanium Halide Perovskites
The structural and photophysical properties of the 2D layered metal halides (4F-PMA)2GeI4 and (4F-PMA)2PbI4 are reported. For the Ge composition, reduced exciton-phonon coupling is found and the abse....
advanced.onlinelibrary.wiley.com
April 30, 2025 at 6:35 AM
Now in Adv.Mater. @zacharyvanorman.bsky.social & Ben find there is hope for Ge 2D perovskites for #light-emitting and other applications:
We show narrow linewidth emission & reduced phonon coupling💡🔦Nice collab. w/ Kanatzidis, Sargent & Voznyy groups!
advanced.onlinelibrary.wiley.com/doi/10.1002/...
We show narrow linewidth emission & reduced phonon coupling💡🔦Nice collab. w/ Kanatzidis, Sargent & Voznyy groups!
advanced.onlinelibrary.wiley.com/doi/10.1002/...
Summer vibes in Switzerland with the best team! 🇨🇭⛰️☀️🕶️
April 29, 2025 at 4:13 PM
Summer vibes in Switzerland with the best team! 🇨🇭⛰️☀️🕶️