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< Back C. Fasolato, I. Zardo, and M. De Luca Apply Now Job Type Workspace About the Role Requirements About the Company Apply Now

< Back A. Zilli, M. De Luca, D. Tedeschi, A. Fonseka, A. Miriametro, H. Tan, C. Jagadish, M. Capizzi, and A. Polimeni Apply Now Job Type Workspace About the Role Requirements About the Company Apply Now

< Back M. De Luca, A. Polimeni, M. Felici, A. Miriametro, M. Capizzi, F. Mura, S. Rubini, F. Martelli Apply Now Job Type Workspace About the Role Requirements About the Company Apply Now

< Back P. De Vincenzi, R. A. Sorodoc, A. S. Sharma, M. Roggi, I. Santanchè, L. Perrini, E. Mugnaioli, R. Rurali, F. Beltram, L. Sorba, V. Zannier, M. De Luca Apply Now Job Type Workspace About the Role Requirements About the Company Apply Now

Publication List Articles Published or under revision in Peer-Reviewed Journals < Back 1. Nadine Denis, Akant Sagar Sharma, Elena Blundo, Francesca Santangeli, Paolo De Vincenzi, Riccardo Pallucchi, Mitsuki Yukimune, Alexander Vogel, Ilaria Zardo, Antonio Polimeni, Fumitaro Ishikawa, Marta De Luca, "Bandgap Engineering On Demand in GaAsN Nanowires by Post-Growth Hydrogen Implantation", Small (2025) https://doi.org/10.1002/smll.202506091 2. Nadine Denis; Akant Sagar Sharma; Didem Dede; Timur Nurmamytov; Salvatore Cianci; Francesca Santangeli; Marco Felici; Victor Boureau; Antonio Polimeni; Silvia Rubini; Anna Fontcuberta i Morral; Marta De Luca. "Single Photon Emitters in Thin GaAsN Nanowire Tubes Grown on Si", ACS Nano, 19, 46, 39757–39767(2025). https://doi.org/10.1021/acsnano.5c12139 3. F. Valentini, I. A. Colasanti, C. Zaratti, D. Filimon, A. Macchia, A. Neri, M. Relucenti, M. Reverberi, I. Allegrini, E. Guerriero, M. Cerasa, M. De Luca , F. Santangeli, R. Braglia, F. Scuderi, L. Rugnini, R. Ranaldi, R. De Meis and A. Canini. "TiO2 and CaCO3 Microparticles Produced in Aqueous Extracts from Satureja montana: Synthesis, Characterization, and Preliminary Antimicrobial Test", Molecules, 30, 20, 4138 (2025). https://doi.org/10.3390/molecules30204138 Oral Contribution : “Bandgap engineering across telecom wavelengths of InN nanowires by post-growth hydrogen irradiation” Conference: Nanowire Week 2025 Date, where: 25 – 29/08/2025, St John’s College, University of Cambridge, Cambridge, UK Invited Talk : “Giant bandgap tuning of InN nanowires by post-growth Hydrogen irradiation for creation of tunable quantum dots” Conference/Institution: Université de Rouen Date, where : 21 – 25/04/2025, Rouen, France Poster : “Bandgap manipulation of nanowires by post-growth hydrogenation” Conference/Institution : Dipartimento di Fisica, Università Sapienza di Roma – Evento dipartimentale She Rocks Science 2025 Date, where : 07/03/2025, Rome, Italy Oral Contribution : “Giant bandgap tuning of InN nanowires by post-growth Hydrogen irradiation for creation of tunable quantum dots” Conference/Institution : Nanoinnovation, Sapienza Università di Roma Date, where : 09 – 13/09/2024, Rome, Italy Poster : “Giant bandgap tuning of InN nanowires by post-growth Hydrogen irradiation for creation of tunable quantum dots” Conference/Institution : Dipartimento di Fisica, Università Sapienza di Roma – Evento dipartimentale She Rocks Science 2024 Date, where : 12/02/2024, Rome, Italy Poster : “Giant bandgap tuning of InN nanowires by post-growth hydrogen irradiation” Conference/Institution : Quantum Technology from fundamental science to real world applications – Postgraduate Summer School, Ettore Majorana Foundation, Erice Date, where : 02 – 07/10/2023, Erice, Italy Poster : “Development of RSV-loaded liposomes to investigate the delivery across the Blood Brain Barrier” Conference/Institution : First Symposium for YouNg Chemists: Innovation and Sustainability, Dipartimento di Chimica, Università Sapienza di Roma Date, where : 20 – 23/06/2022, Rome, Italy

Organized Conferences Prof. De Luca co-organizes the IEEE Nanotechnology Materials and Devices Conference in October 2023, Paestum, Italy . Symposium ‘Fundamentals and applications of nanotubes, nanowires, quantum dots and other low dimensional materials’ Prof. De Luca co-organizes the CLEO/Europe Focus Meeting (ECOC, European Conference on Optical Communication) in September 2022, Basel, Switzerland. Symposium ‘Novel Photonic Materials & Effects’ Invited Talks Prof. De Luca gives a talk for the International Symposium on Semiconductor Optoelectronics and Nanotechnology (ISSON) in the Department of Electronic Materials Engineering of the Australian National University on the 9.11.2024. Prof. De Luca gives an invited talk for the Quantum Science & Technology Seminars in the Physics Department of Federico II University in Naples (Italy) on the 27.10.2023. Prof. De Luca gives an invited talk at the IEEE Nanotechnology Materials and Devices Conference (NMDC) in Paestum (Italy) on the 24.10.2023. https://ieeenmdc.org/past-conferences/nmdc-2023/ Prof. De Luca gives an invited talk at the Phonons Conference 2023 in Paris (France) on the 05.07.2023 https://phonons2023.sciencesconf.org/ Prof. De Luca gives an invited talk at the International Conference on Solid State Devices and Materials (SSDM) in Chiba (Japan) on 27.09.2022 https://ssdm.jp/2022/ Prof. De Luca gives an invited talk at the Rank Prize symposium on Nanowire Photonics in Grasmere in Lake District (UK) on 08.11.2022 https://www.rankprize.org/symposia/nanowire-photonics-2/

PRIN Project Nanowires (NWs) are quasi-1D crystals with nanoscale diameters and several microns in length. This project aims at growing and thoroughly investigating quantum dots (QDs) and superlattices (SLs) in two different III-V NW heterostructures: GaAsP/GaP NWs, for photonic and optoelectronic applications in the visible-near infrared range, and InAsP/InP NWs, for telecom-wavelengths applications. The well-known vapor-liquid-solid growth approach will be employed to realize bottom-up NWs incorporating QDs of controllable size, position and chemical composition. In particular, we will use the chemical beam epitaxy technique, which combines the advantages of ultra-high-vacuum epitaxial growth with the ease of use and flexibility given by metalorganic precursor gas sources. The controlled NW morphology and diameter will be exploited for the optimization of the waveguiding properties of NWs for the nested QDs. Scanning electron microscopy (SEM) for morphology characterization and energy dispersive x-ray spectroscopy (EDX) for compositional analysis are performed in-house with a field emission gun (FEG) electron microscope operating up to 30 kV. Electron Beam Lithography (EBL) for substrate patterning is performed instead with a dedicated FEG SEM equipped with an interferometric stage. The CNR unit in Pisa has a remarkable expertise in the growth and structural characterization of III-V semiconductor nanowires, axial and radial nanowire heterostructures, and selective area nanostructures. The Chemical Beam Epitaxy (CBE) system and the cleanroom facility of the National Enterprise for nanoScience and nanoTechnology (NEST) Laboratory of Scuola Normale Superiore, where the Nanoscience institute of CNR is headquartered are fully available for the project.The CBE is equipped with a Riber Compact-21 growth chamber with an integrated Reflection of High Energy Electron Diffraction (RHEED) system for in-situ monitoring and an optical pyrometer for the substrate temperature measurement. Available group-V materials are arsenic (TBAs), phosphorous (TBP), and antimony (TDMASb and TMSb); for group III there are indium (TMIn), gallium (TEGa), and aluminium (TMAl) precursors. Transmission electron microscopy (TEM) to investigate the nanowires structural quality (crystal phase, interface sharpness, strain distribution) is also performed by the CNR unit, in collaboration with the Center for Instrument Sharing (CISUP) of the University of Pisa. R. Sorodoc, P. De Vincenzi, ACS Appl. Mater. Interfaces 16, 47 (2024) The growth and the structural characterization of the NWs performed at the CNR unit is cross-correlated to advanced optical spectroscopy experiments (inelastic light scattering and photoluminescence) carried out at Sapienza University. The optical measurements are performed also with a photon-correlation setup to probe the properties of the grown QDs. The close synergy of the two units allows a continuous flow of samples and information. In this way, a full picture of the structural, electronic, and optical properties of the QDs and SLs in NWs is achieved and controllably tuned. Single QDs in NWs with high brightness and low multi-photon emission probability are being realized within this project, as well SLs with a tunable period, in order to determine the new type of band alignment arising in the SL and show the potential of these SLs for NW-based optoelectronic applications such as photodetectors. Furthermore, NWs with GaAsP (with varying concentrations of As and P) in the wurtzite phase were created to study the new optical and electronic properties of the material in this new crystalline phase. The results of this study are then used as a starting point to better understand the effects of quantum confinement in the previously mentioned samples. Team members: Dr. Valentina Zannier, CNR researcher Prof. Marta De Luca, Sapienza University professor Prof. Lucia Sorba, CNR research director Robert Andrei Sorodoc, CNR fellow Paolo De Vincenzi, PhD student of Sapienza University Giada Bucci, PhD student of Scuola Normale Superiore Publications: Quantum Light Emission from GaAsxP1–x Quantum Dots in Wurtzite GaP Nanowires. P. De Vincenzi, R. A. Sorodoc, A. S. Sharma, M. Roggi, I. Santanchè, L. Perrini, E. Mugnaioli, R. Rurali, F. Beltram, L. Sorba, V. Zannier and M. De Luca*. ACS Appl. Mater. Interfaces (2026) Tunable GaAsxP1-x quantum dot emission in wurtzite GaP Nanowires . R. Andrei Sorodoc+, P. De Vincenzi+, A. Sagar Sharma, G. Bucci, M. Roggi, E. Mugnaioli, L. Sorba, M. De Luca and V. Zannier (+ equal contribution). ACS Appl. Mater. Interfaces 16, 47 (2024) Zincblende InAsxP1–x/InP Quantum Dot Nanowires for Telecom Wavelength Emission. G. Bucci*, V. Zannier, F. Rossi, A. Musiał, J. Boniecki, G. Sęk, L. Sorba. ACS Appl. Mater. Interfaces 16, 20 (2024) InAs–InP Superlattice Nanowires with Tunable Phonon Frequencies, V. Zannier, J. Trautvetter, A. K. Sivan, F. Rossi, D. de Matteis, B. Abad, R. Rurali, L. Sorba, I. Zardo. Advanced Physics Research 3, 6 (2024) Revealing Inclined Twin Related Defects in III–V Nanowires Grown in Popular Alternative Crystallographic Directions, H. A. Fonseka, N. Denis, J. A. Gott, X. Yuan, R. Beanland, H. H. Tan , C. Jagadish, A. M. Sanchez, M. De Luca*. J. Phys. Chem. C, 128, 21593 (2024) Phonon Interference Effects in GaAs-GaP Superlattice Nanowires, C. Arya, J. Trautvetter, J. M. Sojo-Gordillo, Y. Kaur, V. Zannier, A. Nigro, F. Beltram, T. Albrigi, A. Ruiz-Caridad, L. Sorba, R. Rurali I. Zardo*. ACS Nano, 19, 50, 42013–42021 (2025)

< Back Mario Roggi Master Student Curriculum Vitae Publications 2022-2024 Master of Science (MSc) in Condensed Matter Physics at Sapienza University, Rome. Completed his master’s thesis in the Nanospectroscopy Group at the Physics Department of the Sapienza University, focusing Low Temperature Micro-photoluminescence Measurements of III-V Nanowire Quantum Dots. 2018-2022 Bachelor of Science (BSc) in Physics at Sapienza University, Rome Back to Top Sapienza University of Rome, Physics Department Office:

< Back M. G. Betti, E. Blundo, M. De Luca, M. Felici, R. Frisenda, Y. Ito, S. Jeong, D. Marchiani, C. Mariani, A. Polimeni, M. Sbroscia, F. Trequattrini, R. Trotta (alphabetic order) Apply Now Job Type Workspace About the Role Requirements About the Company Apply Now

Publication List Articles Published or under revision in Peer-Reviewed Journals < Back 1. Nadine Denis, Akant Sagar Sharma, Elena Blundo, Francesca Santangeli, Paolo De Vincenzi, Riccardo Pallucchi, Mitsuki Yukimune, Alexander Vogel, Ilaria Zardo, Antonio Polimeni, Fumitaro Ishikawa, Marta De Luca, "Bandgap Engineering On Demand in GaAsN Nanowires by Post-Growth Hydrogen Implantation", Small (2025) https://doi.org/10.1002/smll.202506091 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. 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. 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. 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. 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. 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. 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. 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.

< Back M. Valentini, C. Malerba, E. Salza, M. De Luca, M. Capizzi, A. Mittiga Apply Now Job Type Workspace About the Role Requirements About the Company Apply Now

< Back D. Tedeschi, A. Fonseka, E. Blundo, A. Granados del Águila, H. H. Tan, P. C. M. Christianen, C. Jagadish, A.Polimeni, and M. De Luca Apply Now Job Type Workspace About the Role Requirements About the Company Apply Now