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Listar por autor "Ponce-Ortiz, Rocío"
Mostrando ítems 21-40 de 44
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Organic ambipolar semiconductors for TFT applications
Ponce-Ortiz, Rocío; Arrechea-Marcos, Iratxe; López Espejo, Guzmán; Segura, José L.; López-Navarrete, Juan Teodomiro (2016-09-27)In the last years we have devoted some effort to the search of new high-mobility semiconductors with ambipolar performances, good processability and environmental stability. Our approach, which is one of the most widely ... -
Organic Materials: The Effect of Subtle Modifications on Device Performance
Ponce-Ortiz, Rocío; Mayorga-Burrezo, Paula; Casado-Cordón, Juan; López-Navarrete, Juan Teodomiro; Guo, Xugang; Zhou, Nanjia; Huang, Hui; Facchetti, Antonio; Marks, Tobin J.[et al.] (2014-11-07)In the search of new high-mobility polymeric semiconductors with good processability and excellent environmental stability, diverse synthetic strategies have been approached. One of the most widely used consists in the ... -
Organic semiconductors: The effect of small modifications on device performance
Ponce-Ortiz, Rocío; Segura Castedo, José Luis; López-Navarrete, Juan Teodomiro; Facchetti, Antonio; Marks, Tobin J. (2016-03-30)In the search on new high-mobiliity semiconductors with ambipolar performances, good processability and excellent environmental stability, diverse synthetic strategies have been approached. One of the most widely used ... -
Semiconducting pi-extended discotic liquid-crystalline triindoles: studying their FET vs. SCLC mobilities
López Espejo, Guzmán; Ruiz, Constanza; Pandey, Uppendra K.; Termine, Roberto; Golemme, Attilio; García-Frutos, Eva María; Ponce-Ortiz, Rocío; Ruiz-Delgado, María del Carmen; Huang, Wei; Marks, Tobin J.; Facchetti, Antonio; Gómez-Lor, Berta[et al.] (2016-11-09)The field of organic electronics has experienced a vast development in the last few years, having the first generation of devices based in this technology already reached the market. Advances achieved in this field have ... -
Semiconductores orgánicos basados en oligotiofenos tetraciano sustituidos: estudio espectroscópico, electroquímico y teórico
Ponce-Ortiz, Rocío (Universidad de Málaga, Servicio de Publicaciones, 2008)Esta Tesis ha permitido racionalizar las bases quimíco-físicas que gobiernan y determinan las estructuras moleculares y electrónica de oligotiofenos tetracianosustituidos mediante el análisis de la Beta-tetracianosustitución ... -
Semiconductores para electrónica orgánica: el papel de la espectroscopía vibracional
Ponce-Ortiz, Rocío (2015-02-19)La búsqueda de nuevas tecnologías capaces de reemplazar a la tecnología actual basada en silicio representa uno de los campos de investigación científica más dinámico en la actualidad. La electrónica y fotónica orgánica ... -
Spectroscopic and DFT study of molecular and supramolecular parameters governing charge transport in imide-based semiconductors
Harbuzaru, Alexandra (UMA Editorial, 2022-07-18)La presente Tesis Doctoral se centra en el estudio de sistemas orgánicos semiconductores, de tipo escalera, funcionalizados con grupos imida. La aproximación metodológica usada se basa en la combinación de métodos ... -
Spectroscopic techniques as tools to analyze charge transport processes in organic field effect transistors
Ponce-Ortiz, Rocío; Harbuzaru, Alexandra; Wang, Yingfeng; Guo, Xugang; Scaccabarozzi, Alberto D.; Caironi, Mario; Ruiz-Delgado, María del Carmen[et al.] (2022)The organic electronics research field has advanced tremendously in the last decades, already rendering semiconductors able to compete with their inorganic counterparts. However, the final blossoming of this field would ... -
SpectroscopicTechniques and DFT Calculations to Understand Charge Transport Mechinisms in OFETs
Harbuzaru, Alexandra; Arrechea-Marcos, Iratxe; López-Navarrete, Juan Teodomiro; Ponce-Ortiz, Rocío; Ruiz-Delgado, María del Carmen; Caironi, Mario; Scaccabarozzi, A.[et al.] (2019-02-11)The organic electronics research field has advanced tremendously in the last decades, but there is still an incomplete understanding of the main mechanisms governing charge injection and transport in such devices. The ... -
Studying the electronic and charge transport properties of two cyclocarbazole derivates
González-Núñez, Raúl; Badía-Domínguez, María Irene; Gámez-Valenzuela, Sergio; Yang, Anna; Moore, Jeffrey; Huang, Feihe; Hernández-Jolín, Víctor; Ruiz-Delgado, María del Carmen; Ponce-Ortiz, Rocío[et al.] (2022-06-30)Molecular systems have proven to be efficient active materials in electronics, being possible alternatives to the inorganic semiconductors used nowadays in electronic devices. For this reason, organic electronics has emerged ... -
Synthesis and electronic properties of nitrogen-doped π-extended polycyclic aromatic dicarboximides with multiple redox processes
Alonso-Navarro, Matías J.; Harbuzaru, Alexandra; Martínez-Fernández, Marcos; Pérez Camero, Paula; López-Navarrete, Juan Teodomiro; Ramos, M. Mar; Ponce-Ortiz, Rocío; Segura, José L.[et al.] (Royal Society of chemistry, 2021-06-02)In this work, a series of nitrogen-doped polycyclic aromatic mono and dicarboximides was designed, and their synthesis is reported by an innovative synthetic procedure that avoids metal-based cross-coupling reactions. A ... -
The heteroatom effect in ambipolar diradicals.
Moles Quintero, Sergio; Harbuzaru, Alexandra; Marín-Beloqui, José Manuel; González Núñez, Raúl; Ponce-Ortiz, Rocío; Casado-Cordón, Juan[et al.] (2023)The ability to efficiently transport both holes and electrons makes ambipolar organic materials appealing architectures in organic electronics for the development of p- and n-channel devices. However, most of the organic ... -
Towards the rational design and characterization of organic semiconductors by a combined experimental and theoretical approach: from small molecules to polymers.
Gámez-Valenzuela, Sergio (UMA Editorial, 2023)A pesar del enorme esfuerzo llevado a cabo durante los últimos años en el desarrollo de semiconductores orgánicos, la existencia de inconvenientes en términos de transferencia tecnológica (escasa cristalinidad, baja ... -
Transporte de carga de sistemas tipo escalera (ladder-type) en transistores orgánicos de efecto campo (ofets)
Arrechea-Marcos, Iratxe; Harbuzaru, Alexandra; López-Navarrete, Juan Teodomiro; Ponce-Ortiz, Rocío (2018-11-15)Las moléculas π-conjugadas tipo escalera con estructura plana están recibiendo un enorme interés como semiconductores moleculares o como unidades constituyentes de otro tipo de estructuras más grandes o polímeros para ... -
Triindoles as excellent platforms for organic semiconductors: from crystalline molecules to porous polymers
Organic semiconductors are one of the most promising candidates for next-generation electronics applications. In this sense, triindole-based systems have demonstrated great potential as p-type semiconductors in organic ... -
Tunable electroactive oligothiophene-naphthalimide semiconductors via end-capped engineering: cumulative effects beyond the linker
Alonso-Navarro, Matías J.; Harbuzaru, Alexandra; González Núñez, Raúl; Ramos, M. Mar; Segura, José L.; Ponce-Ortiz, Rocío[et al.] (RSC, 2023-08)Aiming to obtain novel functional semiconducting materials for their use in organic electronics, the combination of strong donor moieties with electron-withdrawing units is one of the most useful strategies to obtain ... -
Tuning of the electronic levels of oligothiophene-naphthalimide semiconductors: in the search of ambipolar behaviour
Arrechea-Marcos, Iratxe; De-la-Peña, Alejandro; Mancheño, María José; Ruiz-Delgado, María del Carmen; Segura, José L.; López-Navarrete, Juan Teodomiro; Ponce-Ortiz, Rocío[et al.] (2016-10-18)Ambipolar organic field-effect transistors (OFETs), which can efficiently transport both holes and electrons, using a single type of electrode, are currently of great interest due to their possible applications in complementary ... -
Understanding charge transport in organic field effect transistors
Wang, Yingfeng; Guo, Han; Ponce-Ortiz, Rocío; Harbuzaru, Alexandra; Arrechea-Marcos, Iratxe; López-Navarrete, Juan Teodomiro; Guo, Xugang[et al.] (2018-06-28)The organic electronics research field has advanced tremendously in the last decades, having already led to field-effect mobilities able to compete with their inorganic counterparts. However, many fundamental aspects of ... -
Understanding organic materials performance in field-effect transistors
Ponce-Ortiz, Rocío; Arrechea-Marcos, Iratxe; López Espejo, Guzmán; López-Navarrete, Juan Teodomiro; Segura, José L. (2017-07-14)In the last years, much of our effort has been devoted to the search and study of new high-mobility semiconductors for organic thin film transistors. The approach used for the materials design has been two-fold: (i) the ... -
Understanding polymer orientation at the interface by SERS
Harbuzaru, Alexandra; Arrechea-Marcos, Iratxe; López-Navarrete, Juan Teodomiro; Ponce-Ortiz, Rocío; Ruiz-Delgado, María del Carmen (2017-07-07)In the organic electronic research field, it is well known that the largest contribution to charge transport occurs within the first few nanometers of the semiconductor near the dielectric interface. Surface Enhanced ...