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/...

The Impact of Chirality on Singlet Fission and Triplet Fusion: A Molecular Twist for Photon Management

Chirality has recently emerged as a new means to profoundly impact the properties of organic semiconductors for spin-optoelectronic applications. Yet, a clear mechanistic understanding of chiral structure–property relationships remains absent to date, particularly for photon interconversion processes such as singlet exciton fission and triplet fusion. In this perspective, we highlight recent work that investigates chiral structures for these processes. We discuss the various ways in which chirality can impact such conversion processes and suggest ways to leverage it to improve photon management for both energy applications and quantum information science.

pubs.acs.org

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 !:) 👉

Kay Severin@kay-severin.bsky.social · 6mo ago

A Pd2L4-type receptor for squaraine dyes enabling ultrafast dark resonance energy transfer. Work by Damien Chen with help from Sybille Collignon, Farzaneh Fadaei-Tirani, and the @feldmannlab.bsky.social. Now out in @angewandtechemie.bsky.social: onlinelibrary.wiley.com/doi/10.1002/...

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