ListarQF - Contribuciones a congresos científicos por tema "Raman spectroscopy"
Mostrando ítems 1-20 de 20
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Analyzing thin film morphology by Resonance Raman spectroscopy
(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 ... -
Diradicals and their driving forces
(2019-01-08)Several series of aromatic and quinoidal compounds, such as oligothiophenes (Scheme 1), oligophenylene-vinylenes, oligoperylenes (oligophenyls) and graphene nanoribbon derivatives, are studied in the common context of the ... -
Donor-acceptor polymers for applications in organic electronics and photovoltaics
(2013-09-26)We have synthesized a new series of high-mobility polymeric semiconductors with good processability and excellent environmental stability for organic electronics and photovoltaics. Using these materials, solar cells were ... -
Formation of stimuli-responsive cyclophanes by self-assembly: the case of carbazole-based biradicals
(2019-01-16)Dynamic covalent bonds has recently received lot of attention because of their unique feature to become reversible under mild conditions.[1] In this context, π-conjugated biradical compounds has emerged as essential building ... -
Fused Quinoidal Oligothiophenes Imides with High Electrical Conductivity
(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 ... -
Impact of the dicyanomethylene substitution position on the cyclophane macrocycle formation in carbazole-based biradicals
(2019-01-16)π-Conjugated biradical compounds, featuring unique unsaturated valences and radical centers in the ground state, are fundamentally important for understanding the nature of chemical bonds and have potential applications ... -
Investigating Piezochromic Properties of πconjugated Materials: a combined Raman and DFT Study
(2019-05-29)Π-conjugated materials have been studied for decades due to their great interest in organic electronics. Among them, piezochromic materials, which exhibit color changes resulting from external pressure or mechanical grinding, ... -
Multiresponsive chromic soft materials: formation of macrocycles from carbazole-based biradicaloids
(2018-09-06)-conjugated biradical compounds become essential building blocks in DCC (dynamic covalent chemistry).1 This field is based on the creation of structural scaffolds based on chemical components which interact through strong ... -
Novel U-Shaped D-A-D π-conjugated Systems with Mechanochromic Properties: An Experimental and Theoretical Vibrational Spectroscopic Investigation
(2020-01-29)Π-conjugated compounds have been widely studied in the last few decades due to their huge field of application in organic electronics. Specifically, stimuli-responsive Π-conjugated materials which are sensitive to external ... -
Oligorylene nanographenes and x-shape multiradicaloid molecules: structural insights from Raman spectroscopy
(2018-06-25)Raman spectroscopy has been the technique of choice for the structural study of carbonaceous materials, including graphitic substrates, carbon nanotubes, fullerenes, conducting polymers and graphene.1 In the material science ... -
Polyconjugation from molecular spectroscopy
(2022-03)The discovery of the semiconducting properties of π-conjugated organic oligomers and polymers has been a turning point in the development of new electronic devices and transformed the study of these systems in an emerging ... -
Raman spectroscopy as a versatile tool to study organic biradicals
(2018-10-02)In recent years, there has been a renewed interest in the study of open-shell polycyclic aromatic hydrocarbons (PAHs). Among them, biradicals are characterized by a four states energetic model for the low lying electronic ... -
Raman spectroscopy as a versatile tool to study organic biradicals
(2019-07-05)Since -conjugated organic molecules were probed as potential semiconducting materials, suitable for replacing the widely used silicon technologies, their structural, optical and conductive properties have been under study ... -
Raman spectroscopy meets organic biradicals. Study of a new diindeno [B,I] anthracene derivative
(2017)In recent years, there has been a renewed interest in the study of open-shell polycyclic aromatic hydrocarbons (PAHs). Among them, biradicals exhibit attractive electronic, magnetic and optical properties which ... -
Semiconducting pi-extended discotic liquid-crystalline triindoles: studying their FET vs. SCLC mobilities
(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 ... -
Thiophene-bridged bis-naphthalimidic structures (even and odd) with n-type and ambipolar ofets applications
(2017-07-07)A brand new series of thiophene bridged bis-naphthalimides has been obtained. These molecules can act as semiconductors and have an even or an odd number of thiophene rings, so that they vary their molecular dipole ... -
Uncommon Molecular Structures for Organic Electronics: Cross-Conjugated Biradical Dianions and Mechano-Made Biradicals
(2017-07)Significant advances in any field of research often come from unexpected experimental results. We all know that uncommon behaviors are destined to envisage new applications whereas collection of typical features only helps ... -
Uncommon Polycyclic Open-Shell Structures: Cross-Conjugated Dianions and Mechano-Made Biradicals
(2017-07-24)Significant advances in any field of research often come from unexpected experimental results. There are plenty of examples where the realization of uncommon behaviors in the long run trigger new applications. Examples of ... -
Understanding organic materials performance in field-effect transistors
(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 the structure-property correlations of n-type organic semiconductors in OFETs
(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 ...