Browsing by Title

Nanophotonics with charged particles

Giulio, Valerio di (Date of defense: 2023-04-12)

(English) Among the fundamental constituents of matter, charged particles such electrons and positrons are leading protagonists in physical phenomena associated with small (~ meV) and high (~ MeV) energy scales. For example, ...

Nanoplasmonic biosensors for clinical diagnosis at the point of care

Soler Aznar, Maria (Date of defense: 2015-04-30)

Aquesta Tesi Doctoral se centra en el desenvolupament de noves metodologies analítiques en biosensors òptics com a solucions alternatives per a la diagnosi o la monitorització terapèutica de diferents malalties, com ara ...

Nanoplasmonic biosensors for clinical diagnosis, drug monitoring and therapeutic follow-up

Peláez Gutiérrez, Enelia Cristina (Date of defense: 2021-02-09)

Aquesta tesi doctoral té com a objectiu el desenvolupament de diversos biosensors que operen sense necessitat de marcatge addicional basats en dispositius plasmònics òptics per a la detecció directa de medicaments o ...

Nanoporous GaN by Chemical Vapor Deposition: crystal growth, characterization and applications

Bilousov, Oleksandr (Date of defense: 2014-07-09)

La societat modera presenta una creixent demanda d'energia, una quantitat significativa de la qual s'utilitza en il·luminació. El nitrur de Ga (GaN és un semiconductor de gap ample, base dels LEDs de llum blanca, que ...

Nanoscale characterization and simulation of advanced CMOS and emerging devices variability

Ruiz Flores, Ana (Date of defense: 2022-11-24)

Durant les darreres dècades, els dispositius electrònics han esdevingut essencials per a la nostra societat i es poden trobar al nostre voltant en tots els aspectes de la nostra vida quotidiana. Un exponent paradigmàtic ...

Nanoscale Coherent Control. Ultrafast dynamics of single molecules, individual light harvesting complexes and discrete nanoantennas at room temperature.

Brinks, Daan (Date of defense: 2012-10-19)

Ultrafast pulses allow observation of molecular dynamics with femtosecond time resolution through pump probe experiments. However, averaging over an ensemble of molecules tends to wash out phase sensitive information, ...

Nanoscale control of near-field interactions between single emitters and photonic antennas-on-probe

Sanz Paz, Maria (Date of defense: 2020-07-27)

Photonic antennas are metallic (or dielectric) nanoscale structures that convert propagating light into highly confined fields, and vice versa, in analogy to common radio antennas but on nanometric scales that lead to ...

Nanoscale dielectric mapping of biomembranes with in-liquid Scanning Dielectric Microscopy

Muzio, Martina di (Date of defense: 2021-05-11)

The structure and physicochemical properties of biomembranes are fundamental for the functioning of cells, and many pathologies have been associated with their alteration (cancer, neurodegenerations, obesity, etc.) 1, 2. ...

Nanoscale electrical characterization of biological matter at microwave frequencies

Biagi, Maria Chiara (Date of defense: 2016-12-20)

The microwaves electromagnetic properties, i.e. the complex permittivity, of single cells determine how this radiation is transmitted, reflected or absorbed by biological tissues. This information is important for the ...

Nanoscale interpretation of performances in organic solar cells and field effect transistors

Pérez Rodríguez, Ana (Date of defense: 2018-04-16)

Dos de los principales retos a superar en el campo de la electrónica orgánica son el control la morfología de la capa semiconductora y las propiedades de las interfases. En particular, las interfases formadas por la capa ...

Nanoscale investigation and control of the interfacial properties of organic solar cells and organic thin-film transistors

Aghamohammadi, Mahdieh (Date of defense: 2016-07-13)

Las propiedades de las películas de semiconductores orgánicas y, en particular, de las interfases involucradas, son uno de los aspectos más prominentes en relación con la eficiencia de los dispositivos orgánicos. La ...

Nanoscale morphology and structure of organic donor-acceptor heterojunctions

Silvestri, Francesco (Date of defense: 2021-12-14)

El esfuerzo científico dedicado a la electrónica orgánica en las últimas décadas ha dado lugar a impresionantes avances en este campo. A pesar de estos logros, el gran potencial que los semiconductores orgánicos (OSC) ...

Nanoscale Multimodal Characterization of Operating Electrolyte-Gated Transistors

Tanwar, Shubham (Date of defense: 2023-07-28)

[eng] Electrolyte-gated transistors (EGTs) have emerged as key platforms for transducing and amplifying biological and biochemical signals, making them an integral part of diverse biosensing and bioelectronic applications ...

Nanoscale properties of self-assembled and laterally nanostructured surface systems

Paradinas Aranjuelo, Marcos (Date of defense: 2014-11-24)

Las microscopías de campo cercano en general (SPM) y la microscopia de fuerzas (SFM) en particular, se han convertido en una poderosa herramienta en nanotecnología, ya que permiten tanto caracterizar como manipular las ...

Nanoscale spatial control of light in optical antennas

Volpe, Giorgio (Date of defense: 2012-05-10)

El control dinámico y determinístico de la luz en una escala espacial por debajo de la longitud de onda es un requisito clave para ampliar los conceptos y las funcionalidades de la macro-óptica hasta la escala nanométrica. ...

Nanoscale spatially-resolved characterization of photovoltaic devices and materials

Roigé Godia, Abel (Date of defense: 2015-02-09)

La tecnologia solar i fotovoltaica ha experimentat un important creixement durant els últims anys, i es preveu que sigui una de les principals fonts d'energia en un futur proper. Aquest creixement està relacionat amb una ...

Nanoscale structural and mechanical properties of lipid bilayers in air environment / Propietats estructurals i mecàniques a la nanoescala de les bicapes lipídiques en aire

Dols Pérez, Aurora (Date of defense: 2012-12-04)

Cell membranes are 2-D heterogeneous fluid systems that show nanoscale structures of great interest because of its importance in membrane functions. Due to the inherent complexity of natural membranes, the study of model ...