Sascha Feldmann

actu.epfl.ch/news/sascha-... thank you for this recognition of our #team 's #research! :)

🎨🔬 Artists wanted! My lab at EPFL is hosting an international visual artist for 3 months (Jan–Apr 2027) to explore #light & #energy technologies with us.⚡️☀️ CHF 2k/month + housing + travel + production budget. Deadline: 22 Nov 👉 www.traces-opencall.ch/en #ArtAndScience #art #science

Looking back at an amazing week of “Chirality at the Nanoscale” 2026, which took place on the stunning Aeolian Island of Lipari: A huge thank you to the organizers, esp. chairs Adriana Pietropaolo & Alessandro D'Urso, for the invitation to share our team's work on chiral light-matter interactions!

Come join us at @materials-mrs.bsky.social MRS Spring 2027 in Seattle! #S27MRS Abstract submission is open for our symposium EL01: “Fundamental Properties and Device Physics of Halide Perovskites”. A stellar line-up of invited speakers for you to join awaits: www.mrs.org/meetings-eve... !

Impressions from our annual group retreat - this time to the Jura mountains! Feeling incredibly grateful to have the privilege of working with such an amazing team :’)

NEW in Chemical Science! “Enantiopure synthesis of uniform [n]cycloparaphenylene-pillar[5]arene multi-macrocycles and their chiroptical properties” by @feldmannlab.bsky.social and @besserchemistry.bsky.social Read it for free here: doi.org/10.1039/d6sc...

It was an honor to deliver a Keynote on our most recent developments on highly polarization sensitive light detection at MAF’26 - Methods & Applications in Fluorescence in Copenhagen. Thank you so much Bo Laursen & Thomas Sørensen for the invitation and fantastic organization in a beautiful city!

Breakfast with the team ☺️

Group BBQ 2026 - so grateful for this amazing #team 🫶☀️⛰️

My first trip to Korea was unforgettable! 🇰🇷 Thanks to the #IPS25 organizers, especially Hyun Suk Jung, Ki Tae Nam & Jooyoung Sung, for the invitation, and to Changsoon Cho (POSTECH) & Ho Jin (UNIST) for hosting our Swiss–Korean collaboration on next-generation quantum light sources!:)

𝘐𝘯 𝘴𝘪𝘵𝘶 𝘴𝘤𝘢𝘵𝘵𝘦𝘳𝘪𝘯𝘨 𝘰𝘱𝘵𝘪𝘤𝘢𝘭 𝘮𝘪𝘤𝘳𝘰𝘴𝘤𝘰𝘱𝘺 𝘰𝘧𝘧𝘦𝘳𝘴 𝘱𝘰𝘸𝘦𝘳 𝘪𝘯 𝘯𝘶𝘮𝘣𝘦𝘳𝘴 𝘸𝘪𝘵𝘩 𝘴𝘪𝘯𝘨𝘭𝘦-𝘱𝘢𝘳𝘵𝘪𝘤𝘭𝘦 𝘱𝘳𝘦𝘤𝘪𝘴𝘪𝘰𝘯 - Check out our N&V @natmater.nature.com led by Huygen highlighting the beautiful work by the Munich team around 𝗔𝗹𝗲𝘅 𝗨𝗿𝗯𝗮𝗻 & 𝗘𝗺𝗶𝗹𝗶𝗮𝗻𝗼 𝗖𝗼𝗿𝘁𝗲𝘀! www.nature.com/articles/s41... Full-text access: rdcu.be/ftdjm

A big thank you to the organizers Brandi Cossairt & Raffaella Buonsanti of this year's GRC on Colloidal #Semiconductor #Nanocrystals for inviting me to this stunning venue, with an excellent, diverse scientific program and fantastic hikes with friends and colleagues from across the globe!:)

Need a primer on 𝗵𝗼𝘄 𝘀𝗽𝗶𝗻𝘀 𝗱𝗲𝗽𝗼𝗹𝗮𝗿𝗶𝘇𝗲 𝗶𝗻 𝗵𝗮𝗹𝗶𝗱𝗲 𝗽𝗲𝗿𝗼𝘃𝘀𝗸𝗶𝘁𝗲 𝘀𝗲𝗺𝗶𝗰𝗼𝗻𝗱𝘂𝗰𝘁𝗼𝗿𝘀 and how to detect this? We got you covered! Check out our latest review led by Huygen in 𝗖𝗛𝗜𝗠𝗜𝗔 (by SCS) as part of the special issue on chiral light-matter interactions:) open-access here: www.chimia.ch/chimia/artic...

Sigtuna CISS Meeting 2026 in Rosersberg, Sweden! Wonderful, warm and open-minded community - always fun to discuss and hotly debate mechanisms of how chirality can influence spin!

📢 We're hiring! 3-year postdoc in ultrafast spectroscopy via #MSCA network LEAPS-ULTRAFAST — a joint position between SwissFEL/PSI & my lab @EPFL. Propose your own project using large-scale light sources & table-top systems. Apply by Sep 30, 2026 👇 www.leaps-ultrafast.eu/e310921/e312...

Following an inspiring program at #NIPHO26, the community gathered for a group photo. 📸 Excited to continue exploring advances in perovskite photovoltaics, photonics and optoelectronics, from stability to scalable fabrication and interfaces. 🔗https://www.nanoge.org/NIPHO26/home

⚡Key topics at #NIPHO26: @sascha_feldmann studies ultrafast spin and chiral light dynamics in halide perovskites, while Marcello Righetto investigates charge transport and recombination in low-dimensional halides and perovskite-inspired materials. 🔗 https://www.nanoge.org/NIPHO26/home

Former Rowland Fellow Colleague and incoming Rice Prof Christian Reece visiting us for an #Energy Seminar at EPFL :)

Join us and a fantastic line-up of speakers in sunny Mallorca this Fall, if you like! @nanoge.org MATSUS Fall Meeting '26 ☀️ Abstract deadline approaching!

Thanks @dumelelab.bsky.social & @markussuta.bsky.social for your kind invitations to Cologne and Düsseldorf - glad it finally happened and thanks for the great science chat and hospitality!!!:)

Wonderful as always to reconnect with friends from across the globe at this year's #MATSUS26 Spring Meeting @nanoge.org celebrating 10 years of #materials for #sustainable #development! :) Thanks to the D6 & C2 organizers for their kind invitations and see you all in Fall!

The 36th Conference on Quantum Solar Energy Conversion - QUANTSOL 2026 - in Rauris, Austria was an absolute highlight. Amazing place and people, highly recommend!

What a fantastic week in Costa Rica, as the International Conference on Energy Materials came to an end. A massive thank you to the organizers Monica Morales-Masis, Marina Freitag, Pablo P. Boix & Filippo de Angelis for the invitation to see a country that runs essentially 100% on #renewable

Check out our latest in @acs.org ACS Energy Letters: Damon explores how #chirality may impact singlet fission and triplet fusion in molecular semiconductors as a new twist for efficient photon management, boosting performance of solarcells, displays and more. #OpenAccess pubs.acs.org/doi/10.1021/...

Group social - Valais Carnival meets Bowling! We had a blast and I learned that a bowing lane in French is a “piste” just like for skiing;) #teambuilding #workhardplayhard

#Outreach - We had a blast hosting 3 high schoolers for the Swiss Study Week in Materials Science & Chemistry, organized together with Schweizer Jugend Forscht! They made some beautifully emissive quantum dots in the lab and presented their results to the general public. #EPFL

Impressions from an amazing faculty meeting invited by the Swiss Academy of Sciences on the beautiful Griesalp❄️

Thanks for letting us join for a small part in this! Check out these beautiful cages and their host-guest energy transfer !:) 👉

The team showing me how to ski was certainly a highlight of the month 😄

Impressions from Giulio Cerullo's seminar here at EPFL yesterday - an absolute spectroscopy master in action!

A wonderful Pacifichem 2025 Conference in Honolulu came to an end. A huge thanks to Steph, Tom, Ashlee, Zheng, Michael and Luca for the invitation to paradise! Mahalo!🌴

Yet another successful #team celebration 🎄🎅

traditional Feuerzangenbowle and Secret Santa with special guest Natalie Banerji from Bern !:) 🔥🍷

Successful Thanksgiving celebration with our team, Wendy Queen’s, and our fantastic staff that help make our science dreams a reality every day 😊 #grateful

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 :))

🌟 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

🟣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

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

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!

Very grateful that our team’s mission to advance polarization spectroscopy for enabling highly energy-efficient technologies will be supported for the next 5 years by the European Research Council through an ERC Starting Grant! #science #teamwork #ERC

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/...

We have an opening in our institute at #EPFL for a tenure-track assistant professor position. 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!

@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...

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...

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...

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