Listar por autor "Harbuzaru, Alexandra"
Mostrando ítems 1-17 de 17
-
Analyzing thin film morphology by Resonance Raman spectroscopy
Ponce-Ortiz, Rocío
; Harbuzaru, Alexandra; Gámez Valenzuela, Sergio; Ruiz-Delgado, María del Carmen; Wang, Yingfeng; Guo, Xugang[et al.] (2019-07-16)
Polymeric organic thin film transistors (OFETs) and all-polymer bulk heterojunction solar cells (all-PCS), which are composed of a polymer donor and a polymer acceptor, have attracted considerable attention in the last ... -
Electronic properties of Naphthalimide derivatives
González Núñez, Raúl; Alonso-Navarro, Matías J.; Harbuzaru, Alexandra; Segura, José L.; Ponce-Ortiz, Rocío (2021-12)
Molecular systems have proven to be efficient active materials in electronics, making then suitable substitutes of the inorganic semiconductors used nowadays in electronic devices. For this reason, organic electronics has ... -
Electronic Properties of Naphthalimide-based Ladder-type Systems
González-Núñez, Raúl; Alonso-Navarro, Matías J.; Harbuzaru, Alexandra; Segura, José L.; Ponce-Ortiz, Rocío (2023-01-27)
The tuneable electronic and structural properties of organic semiconductors together with their flexibility, light weight, high solution processing and low costs in comparison with inorganic semiconductors are some of ... -
Electronic properties of new polycyclic aromatic mono and dicarboximides
Harbuzaru, Alexandra; Alonso-Navarro, Matías J.; López-Navarrete, Juan Teodomiro; Ponce-Ortiz, Rocío; Segura, José L. (2022-06)
A series of nitrogen-doped polycyclic aromatic mono and dicarboximides (PADI) has been synthesized. Their interest lies in the fact that, unlike other PADI systems, this new family of compounds was synthesized by an ... -
Fused Quinoidal Oligothiophenes Imides with High Electrical Conductivity
Harbuzaru, Alexandra; Ponce-Ortiz, Rocío; Ruiz-Delgado, María del Carmen; Yang, Kun; Guo, Xugang (2020-01-29)
Organic diradicals are molecules containing two unpaired electrons, which are usually highly reactive.1-2 Although these organic diradicals present a wide range of potential applications, their air stability still remains ... -
Medium Diradical Character, Small Hole and Electron Reorganization Energies and Ambipolar Transistors in Difluorenoheteroles
Mori, Sakura; Moles Quintero, Sergio; Tabaka, Naoki; Kishi, Ryohei; González-Núñez, Raúl; Harbuzaru, Alexandra; Ponce-Ortiz, Rocío; Marín-Beloqui, José Manuel; Suzuki, Shuichi; Kitamura, Chitoshi; Gómez-García, Carlos J.; Dai, Yasi; Negri, Fabrizia; Masayoshi, Nakano; Kato, Shin-ichiro; Casado-Cordón, Juan[et al.] (Wiley, 2022-06-13)
Four difluorenoheteroleshavinga centralquinoidalcore with the heteroringvaryingas furan,thiophene,its dioxidederivativeand pyrrolehave shownto be mediumcharacterdiradicals.Solid-statestructures,optical,photophysical,magnetic,and ... -
Spectroscopic and DFT study of molecular and supramolecular parameters governing charge transport in imide-based semiconductors
(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 ... -
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 ... -
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 ... -
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 ... -
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 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 ... -
Understanding the effect of rigid linkers on the optoelectronic properties of naphthalimide-oligothiophene semiconductors
π-conjugated small molecules and polymers are extensively used in organic electronics because of their low-cost manufacturing, light weight, good processability and capability to be deposited on flexible substrates in ... -
Understanding the structure-property correlations of n-type organic semiconductors in OFETs
Harbuzaru, Alexandra; Arrechea-Marcos, Iratxe; López-Navarrete, Juan Teodomiro; Ponce-Ortiz, Rocío; Ruiz-Delgado, María del Carmen (2019-07-16)
In the organic electronic research field, the development of high-performance unipolar n-type semiconductors is still challenging. Here we present an in-depth study of a series of ladder-type semiconductors, which due to ...