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Sebastián Mesa Apestegui (IMDEA Nanoscience)18/11/2026, 16:30Poster
NiPS₃, a member of the metal phosphotrichalcogenide family, consists of crystalline layers strongly bonded within planes that are held together by weaker van der Waals forces. Quantum confinement effects promote the formation of tightly bound excitons, endowing NiPS₃ with properties of interest for applications in electrocatalysis and optoelectronic devices – such as transistors,...
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Shahriar Mohammadi (Zernike Institute for Advanced Materials, University of Groningen)18/11/2026, 16:30Poster
Understanding and controlling ultrafast vibronic dynamics of conjugated donor polymers is crucial for further advancing exciton transport and charge separation in organic solar cells (OSCs). In this contribution, we demonstrate the first application of the chirp-dependent time-resolved (CDTR) photoluminescence double-pump technique to relevant donor materials: PM6, PBDB-T, and PBDB-T thin...
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Kushal Shaw (Universidad Complutense Madrid)18/11/2026, 16:30Poster
Understanding how photoexcited aromatic molecules redistribute energy is central to determining whether excitation leads to photostable relaxation or bond-selective chemistry. Anisole is a model methoxy-substituted aromatic in which bound ππ^states coexist with dissociative πσ^states along the O-CH3 coordinate. Its structured near-ultraviolet absorption band supports bound vibronic levels,¹...
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Mr Gonzalo Gomez-Munoz (Instituto de Optica-CSIC, Madrid, ES)18/11/2026, 16:30Poster
ZnO is a multifunctional transparent conductive oxide (TCO) with many scientific and technologic uses. They include, among others, applications in biomedicine, photonics, sensing or photocatalysis. These applications could benefit in many cases from the use of large-area, electrically anisotropic surfaces (i.e. optically transparent surfaces with alternating highly conductive and highly...
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Judith Reyes Martín (Instituto Galego de Física de Altas Enerxías)18/11/2026, 16:30Poster
Currently, conventional particle accelerators, such as cyclotrons or linear accelerators, can accelerate charged particles to extremely high energies, and are therefore fundamental in applications including hadron therapy, and radioisotope production for medical diagnostics. However, the acceleration gradients in these systems are typically limited to values on the order of tens of MV/m,...
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Alejandro Serrano Capote (IMDEA Nanociencia)18/11/2026, 16:30Poster
At the heart of any light-harvesting technology, such as artificial photosynthesis or photovoltaics, lie the fundamental steps of photoinduced charge transfer and separation, which are best optimized by combining electron donor and acceptor materials into molecular dyads. In these architectures, the donor and acceptor units are integrated into a single molecule and linked by a π-conjugated...
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Mr Alberto Sanz Verdejo (Universidad Complutense de Madrid (UCM))18/11/2026, 16:30Poster
Femtosecond velocity map imaging is employed here to investigate the time-resolved formation of CH2 and Cl (2P3/2,1/2) following from the photodissociation of the CH2Cl radical at 298 nm, in combination with a 800 nm probe to monitor its temporal evolution. The CH2Cl species was generated through photolysis of the a precursor precursor, chloroiodomethane (CH2ICl), by excitation at 268 nm. The...
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Alka Philip (Instituto de Óptica 'Daza de Valdés' (IO), CSIC)18/11/2026, 16:30Poster
Localized surface plasmon resonance (LSPR) in novel metal embedded nanocomposites have attracted considerable interest due to their tunable optical properties with applications in photonics and sensing [1]. The light induced coupling between photons and oscillating conduction electrons (SPR) governs the optical response in nanoparticles (NPs) embedded in dielectrics. Furthermore, light-matter...
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Yago Radziunas Salinas (Photonics4Life, Universidade de Santiago de Compostela)18/11/2026, 16:30Poster
Among the different techniques to modify materials at the surface level, laser micromachining offers a versatile working route to alter the topography of a target in the micrometric scale. Femtosecond pulsed laser ablation (fs PLA) leads to minimal debris outcomes in comparison to longer pulse technologies, such as pico or nanosecond PLA. The briefness of the interaction conferred by fs PLA...
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Belén Valiente Pascual (Instituto de Óptica, CSIC)18/11/2026, 16:30Poster
Silicon’s exceptional optical and electrical properties, combined with its high purity, crystal quality, abundance and low price makes it the main standard for developing new micro- and nanoscale technologies in electronics and photonics [1]. In this work, we present a novel application: the formation of vibrating microcavities by irradiating a Si (111)-oriented wafer covered with a...
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Rodrigo González Fuentes (Dpto de Química, Universidad Autónoma de Madrid)18/11/2026, 16:30Poster
With the advent of coherent light sources featuring attosecond resolution and sub-femtosecond UV/VIS pulses generated via high-order harmonic generation, observing pure, laser-induced electronic coherences before nuclear response has become possible.\textsuperscript{1,2} Accurately tracking these nonlinear dynamics and non-adiabatic transitions requires computational methods capable of...
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Gonçalo Vaz (GoLP-IPFN)18/11/2026, 16:30Poster
Ultrafast mid-infrared lasers provide access to molecular vibrational and rotational modes that play a crucial role in science. New-generation high-energy ultrafast sources have enabled significant advances in fields such as harmonic generation and attosecond pulse generation. Optical Parametric Chirped Pulse Amplification (OPCPA) is one of the most well-established methods of producing...
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ILIANA HERNANDEZ CRUZ (CENTRO DE INVESTIGACIONES EN ÓPTICA)18/11/2026, 16:30Poster
In this work, a nanosecond pulsed laser was used to photoacoustically generate ultrasonic waves in an unsaturated polyester resin plate. The generated waves propagated through periodic arrays of stainless-steel cylinders immersed in water. The objective was to investigate how the center-to-center spacing between cylinders modifies the propagation of ultrasonic waves.
Three periodic...
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Judah Amir Rentería Lampaya (Galician Institute of High Energy Physics (IGFAE))18/11/2026, 16:30Poster
Laser-based accelerators offer a compact and cost-effective alternative to conventional accelerators for X-ray production, enabling applications in medicine and industry. However, their ultrashort radiation pulses can lead to pile-up effects in conventional spectrometers, motivating the use of passive detectors such as Image Plates (IPs) which integrate the X-ray energy over the exposure time....
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Nitika * (Institute of Nano Science and Technology, Mohali)18/11/2026, 16:30Poster
Non-stoichiometric plasmonic semiconductors such as Cu2-xS have emerged as promising materials for energy conversion applications owing to their tunable band gaps, cost-effectiveness, and ability to harvest near infrared (NIR) energy. Integrating these plasmonic semiconductors with lead halide perovskites in heterostructures enables strong plasmon-exciton coupling, resulting in enhanced light...
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Mr Adhil Kabeer K (PhD student, IMDEA Nanoscience)18/11/2026, 16:30Poster
Protein–Chromophore Biohybrids for Tunable Delayed Emission
Adhil Kabeera, Juan Cabanillasa, and Sara Hernándeza,*
a IMDEA Nanoscience, Madrid, Spain
Presenting Author: adhil.kabeer@imdea.org
Proteins possess three-dimensional structures that confer upon them a cardinal role in a plethora of natural processes,...
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Ignacio M. Casasús (Universidad Complutense de Madrid)18/11/2026, 16:30Poster
Molecules exposed to intense femtosecond laser fields display a complex interplay of multiphoton ionization, resonances, and tunneling dynamics. Although above-threshold ionization (ATI) has been extensively characterized in atoms, its resonance-enhanced counterpart in polyatomic molecules has remained elusive. Here we investigate the strong-field ionization of ammonia (NH$_3$) by 800 nm...
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AKANSHA VERMA (INDIAN INSTITUTE OF TECHNOLOGY MANDI)18/11/2026, 16:30Poster
Quasi-2D perovskites (L₂Aₙ₋₁PbₙI₃ₙ₊₁) are naturally forming quantum wells with highly tunable optoelectronic properties¹. While extensive research has explored the roles of spacer cation chemistry and halide substitution in governing carrier dynamics, the influence of A-site cation variation remains comparatively understudied¹⁻³. Here, we employ a fixed 4-fluorobenzylammonium (4-FBA) spacer...
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Aitana Hurtado Mendoza (Instituto de Química Física Blas Cabrera, CSIC)18/11/2026, 16:30Poster
Understanding how molecular organization in solution governs excitonic coupling and structure in conjugated polymer nanostructures remains a central challenge in soft condensed matter physics. Here, we show that controlled solution-state pre-assembly of poly(3-hexylthiophene) (P3HT) prior to nanoparticle (NP) formation enables tuning of intrachain and interchain interactions, with direct...
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Shreya Bagchi (IMDEA Nanociencia)18/11/2026, 16:30Poster
Controlling phase transitions in correlated quantum materials [1] with ultrafast light pulses offers a powerful route to creating and probing non-equilibrium states of matter. However, identifying the microscopic mechanisms that drive these transformations remains a major challenge. Vanadium dioxide (VO2) provides a particularly compelling example. It undergoes a first-order insulator-to-metal...
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