Welcome to the 9th International Conference on Semiconductor Photochemistry (SP9), held in Madrid, Spain, on September, 8-12 2025.

Madrid
Joined September 2024
🚨 Deadline extended! 🚨 You've asked (and procrastinated), we've listened. Submit your abstract for #SP9Congress by April 15 – your research deserves the spotlight! ✨ Don't miss out! 🧠📚
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🚨 We’re excited to announce Nicolas Keller (@KellerN_CNRS ) as a Plenary Speaker at #SP9! 🚨 Research Director at ICPEES, University of Strasbourg, his work in catalysis and solar photoconversion is key to environmental sustainability. 🌱🔋 Don’t miss it! #SP9Congress
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🚀 Meet Plenary Speaker Hermenegildo García! 🔬 Expert in solar energy & carbocatalysis at @ITQ_UPVCSIC . His work on graphene-based photocatalysts is revolutionizing green hydrogen & CO₂ conversion. 🎤 Don’t miss his talk at #SP9Congress!
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📢 #SP9Congress | Plenary Speaker 🌍💧 Welcome Pilar Fernández-Ibañez, Professor of Environmental Engineering at @UlsterUni , expert in water purification. 185+ papers | H-index 59. 🔬 Specialist in photochemical and advanced oxidation processes. Don’t miss her talk!
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🚀 The countdown is on! Only 217 days until #SP9Congress, and we’re excited to announce our Plenary Speakers. 🎤🌍 Brilliant minds, unmissable talks… Will you miss out? 👀 🔬 📅 See you at the conference. Stay tuned! #Science #SP9Congress.
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Are you working on #photocatalysis or #photoelectrocatalysis? Join us in Madrid for the 9th International Conference on Semiconductor Photochemistry (SP9). The venue will be the historical building of @industrialesupm. Exciting program ahead! More info: sp9.csic.es
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