Poster: “Nitrogen-induced strain in highly mismatched III-V heterostructured nanowires: a Raman spectroscopy investigation”
Conference: Nanowire Week 2025
Date, where: 25 – 29/08/2025, St John’s College, University of Cambridge, Cambridge, UK
Authors: Riccardo Pallucchi (presenter), Akant Sagar Sharma, Nadine Denis, Paolo De Vincenzi, Francesca Santangeli, Ilaria Zardo, Fumitaro Ishikawa, Riccardo Rurali and Marta De Luca.
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Poster: “Localized annealing: a step toward post-growth, site-controlled quantum dots in III-V semiconductor nanowires”
Conference: PLASMONICA – International School of Plasmonics and Nano-optics at Lake Como School of Advanced Studies
Date, where: 03-07/06/2024, Como
Authors: Riccardo Pallucchi (presenter), Akant Sagar Sharma, Paolo De Vincenzi, Nadine Denis, Francesca Santangeli, Antonio Polimeni, Fumitaro Ishikawa, Riccardo Rurali, Marta De Luca
Subject: toward post-growth, site-controlled QDs in semiconductor nanowires through laser and SNOM localized annealing on III/V nanowires (NWs). Preliminary Raman and PL spectroscopies results on bandgap tuning by hydrogenation and annealing, and investigation of the vibrational properties of mismatched, strained heterostructures.
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Oral contribution: “Real-time light transmission spectroscopy: quantitative time-resolved investigation of colloidal aggregation dynamics”
Conference: ECIS2023 – 37th Conference of the European Colloid & Interface Society (https://www.ecis2023.eu/)
Date, where: 03-08/09/2023, Napoli
Authors: Angela Capocefalo, Riccardo Pallucchi, Greta Peruzzi, Federico Bordi, Paolo Postorino, Barbara Ruzicka, Claudia Fasolato (presenter)
Subject: Time-resolved optical transmission spectroscopy for the study of colloidal systems subjected to external stimuli. Results of the investigation on the aggregation stimulated by acidity variations in plasmonic and polymeric colloidal systems functionalized with different ligands.
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Poster: “Surface Enhanced Raman Scattering studies on biocompatible pH responsive nanosystems”
Conference: ECIS2023 – 37th Conference of the European Colloid & Interface Society (https://www.ecis2023.eu/)
Date, where: 03-08/09/2023, Napoli
Authors: Greta Peruzzi, Sara Cerra, Angela Capocefalo, Riccardo Pallucchi, Francesco Cappelluti, Ilaria Fratoddi, Claudia Fasolato (presenter)
Subject: Functionalization of silver nanoparticles with two different pH-responsive thiols, stable under physiological conditions; characterization of the surrounding molecular layer at different acidity levels by surface-amplified Raman spectroscopy.
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Poster: “Quantitative aggregation dynamics of responsive plasmonic colloids by real-time light transmission spectroscopy”
Conference: Plasmonica – 9th edition of the Workshop on Plasmonics and Nano-optics (https://www.plasmonica.it/2023)
Date, where: 05-07/07/2023, Milano
Authors: Angela Capocefalo, Riccardo Pallucchi (presenter), Greta Peruzzi, Federico Bordi, Paolo Postorino, Barbara Ruzicka, Claudia Fasolato
Subject: study of the aggregation and diffusion dynamics of plasmonic colloidal systems subjected to external stimuli through real-time measurements of optical transmission spectroscopy. Results of quantitative measurements of optical extinction on a colloidal system of gold plasmonic nanoparticles with different ligands to investigate their aggregation stimulated by variations in acidity.
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Oral contribution on invitation: “Real-time light transmission spectroscopy: quantitative investigation of colloids and aerosols for environmental applications”
Conference: DEUPAS “Ultrasensitive monitoring of VOCs and pathogens by spectroscopy – Innovative solutions and sensor systems for air-quality monitoring”
Date, where: 04-05/07/2023, Frascati
Authors: Claudia Fasolato (presenter), Angela Capocefalo, Riccardo Pallucchi, Greta Peruzzi, Federico Bordi, Barbara Ruzicka, Paolo Postorino
Subject: optical extinction measurements for real-time characterization of particulate matter produced by combustion in diesel engines. Presentation of an original setup for time-resolved extinction measurements and preliminary results performed on colloidal systems for the study of the aggregation dynamics induced by pH variations. Discussion of the potential and limitations of the setup in the context of air quality monitoring.
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Poster: “All-optical investigation of biocompatible plasmonic colloids: surface chemistry, colloidal stability and pH responsivity”
Conference: VISPEC2023 – International Summer School on Vibrational Spectroscopy – School and Conference (https://vispec2023.weebly.com/)
Date, where: 12-16/06/2023, Perugia
Authors: Greta Peruzzi (presenter), Sara Cerra, Angela Capocefalo, Riccardo Pallucchi, Francesco Cappelluti, Ilaria Fratoddi, Barbara Ruzicka, Claudia Fasolato
Subject: synthesis of silver nanoparticles with two hydrophilic thiols characterized by amino and sulfhydryl groups, and subsequent study of the surrounding molecular layer under varying pH conditions by means of surface-amplified Raman spectroscopy.
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Poster: “Real-time light transmission spectroscopy: quantitative investigation of colloidal aggregation dynamics”
Conference: Interchall2023 – Interdisciplinary challenges: from non-equilibrium physics to life science (https://www.interchall2023.com)
Date, where: 17-21/04/2023, Roma
Authors: Riccardo Pallucchi (presenter), Angela Capocefalo, Greta Peruzzi, Paolo Postorino, Barbara Ruzicka, Claudia Fasolato
Subject: Development of a time-resolved optical transmission spectroscopy instrument designed to investigate the evolution of colloidal systems subjected to external stimuli through quantitative scattering measurements. Presentation of the results related to the aggregation of plasmonic gold nanoparticles with different functionalizations in response to pH variations.