Search Results - "Henrique de Oliveira Neto, Pedro"

Dynamics of charge quasiparticles generation in armchair graphene nanoribbons by de Oliveira Neto, Pedro Henrique, Van Voorhis, Troy

“…Graphene nanoribbons are systems that can combine intrinsic bandgap with high charge carrier mobility, playing an important role for applications such as…”
Get full text

Strain-Tuneable Bipolaron Stability on Ultranarrow Bilayer Graphene Nanoribbon by de Sousa Araújo Cassiano, Tiago, Ribeiro Júnior, Luiz Antônio, Magela e Silva, Geraldo, Henrique de Oliveira Neto, Pedro

“…Van der Waals bilayer systems are promoting unparalleled advance in optoelectronics. Much of their impact resorts to the exotic quantum properties of…”
Get full text

Charge localization and hopping in a topologically engineered graphene nanoribbon by Pereira Júnior, Marcelo Lopes, de Oliveira Neto, Pedro Henrique, da Silva Filho, Demétrio Antônio, de Sousa, Leonardo Evaristo, e Silva, Geraldo Magela, Ribeiro Júnior, Luiz Antônio

“…Graphene nanoribbons (GNRs) are promising quasi-one-dimensional materials with various technological applications. Recently, methods that allowed for the…”
Get full text

Dynamical Mechanism of Polarons and Bipolarons in Poly(p-Phenylene Vinylene) by Paula, Fábio Luís de Oliveira, Castro, Leonardo Luiz e, Junior, Luiz Antonio Ribeiro, Júnior, Rafael Timóteo de Sousa, Silva, Geraldo Magela e, Neto, Pedro Henrique de Oliveira

“…Studies on Poly(p-Phenylene Vinylene) (PPV) and derivatives have experienced enormous growth since they were successfully used to fabricate the first efficient…”
Get full text

Theoretical Investigation on H2O2-Ng (He, Ne, Ar, Kr, Xe, and Rn) Complexes Suitable for Stereodynamics: Interactions and Thermal Chiral Rate Consequences by Só, Yuri Alves de Oliveira, Neto, Pedro Henrique de Oliveira, de Macedo, Luiz Guilherme Machado, Gargano, Ricardo

“…Although molecular collisions of noble gases (Ng) can be theoretically used to distinguish between the enantiomers of hydrogen peroxide - H 2 O 2 (HP), little…”
Get full text

Electronic and vibrational contributions to the reorganization energy of photosynthetic pigments by Cassiano, Tiago de Sousa Araújo, de Sousa, Leonardo Evaristo, Gargano, Ricardo, de Oliveira Neto, Pedro Henrique

“…Charge transport is dependent on properties such as reorganization energy (λ) and free energy. These quantities are typically estimated applying density…”
Get full text

Quasiparticles in Graphene Nanoribbon Heterojunctions: Insights from a Simplified One-Dimensional Model by de Sousa Araújo Cassiano, Tiago, Henrique de Oliveira Neto, Pedro, Magela e Silva, Geraldo

“…Graphene nanoribbons (GNRs) are promising candidates for next-generation nanoelectronics because of their incredible structural versatility. They are behind…”
Get full text

Quasiparticle dynamics by effective π-field distortion by Cassiano, Tiago de Sousa Araújo, de Oliveira Neto, Pedro Henrique, e Silva, Geraldo Magela

“…Modeling dynamical processes of quasiparticles in low dimensional π -conjugated systems is challenging due to electron-phonon coupling. We show that this…”
Get full text

Ultrafast direct generation of quasiparticles in graphene nanoribbons by Fischer, Marcelo Macedo, Ribeiro Junior, Luiz Antonio, da Cunha, Wiliam Ferreira, de Sousa, Leonardo Evaristo, e Silva, Geraldo Magela, de Oliveira Neto, Pedro Henrique

“…The problem of charge generation at short time scales in organic materials is of crucial importance for optoelectronics. Excluding controversial…”
Get full text

Choice of Solubilizing Group Is Determinant for Exciton Diffusion Length in Organic Crystals by Sousa, Leonardo Evaristo de, Ribeiro, Ingrid Gomes, Carvalho, Fernando Marques, Oliveira Neto, Pedro Henrique de

“…Efficient exciton diffusion is a necessary feature for light-harvesting systems in high-performance organic photovoltaic devices. In this work, a combination…”
Get full text

Charge transport in cove-type graphene nanoribbons: The role of quasiparticles by Cassiano, Tiago de Sousa Araújo, de Sousa, Leonardo Evaristo, Ribeiro Junior, Luiz Antônio, Silva, Geraldo Magela e, de Oliveira Neto, Pedro Henrique

“…Previous reports indicate that cove-type graphene nanoribbons (CGNR) may present high intrinsic charge mobility of almost 15,000 cm2/Vs. Still, with…”
Get full text

Smooth gap tuning strategy for cove-type graphene nanoribbons by de Sousa Araújo Cassiano, Tiago, Monteiro, Fábio Ferreira, Evaristo de Sousa, Leonardo, Magela e Silva, Geraldo, de Oliveira Neto, Pedro Henrique

“…Graphene is a carbon-based material with an extensive range of promising properties. Since it does not present a bandgap, graphene is not suitable for…”
Get full text

Spin-selective transport in edge-passivated zigzag magnesium dichloride nanoribbons: Towards bipolar spin diode and spin rectification devices by Vasconcelos, Railson, Paura, Edson N.C., Oliveira Neto, Pedro Henrique de, Gargano, Ricardo

“…In the present work, we investigate the electronic, magnetic, and spin transport properties of zigzag MgCl2 (ZMgCl2) nanoribbons with different types of edge…”
Get full text

Role of Exciton Density in Organic Materials: Diffusion Length, Lifetime, and Quantum Efficiency by de Sousa, Leonardo Evaristo, Bueno, Fernando Teixeira, Ribeiro, Luciano, Ribeiro Junior, Luiz Antônio, da Silva Filho, Demétrio Antônio, de Oliveira Neto, Pedro Henrique

“…Exciton dynamics are of pivotal importance in the working of organic electronic devices. Under conditions under which efficient exciton diffusion is combined…”
Get full text

Electronic and dynamical properties of non-covalent diatomic aggregates formed by He with neutral and ionic Li and Be by de Jesus, Guilherme Carlos Carvalho, Costa, Caio Vinícius Sousa, de Macedo, Luiz Guilherme Machado, de Oliveira Neto, Pedro Henrique, Pirani, Fernando, Gargano, Ricardo

“…Context and results This work aims to study the influence of the absence and presence of permanent charges on the electronic and dynamical properties of the…”
Get full text

Effective Mass of Quasiparticles in Armchair Graphene Nanoribbons by Fischer, Marcelo Macedo, de Sousa, Leonardo Evaristo, Luiz e Castro, Leonardo, Ribeiro, Luiz Antonio, de Sousa, Rafael Timóteo, Magela e Silva, Geraldo, de Oliveira Neto, Pedro Henrique

“…Armchair graphene nanoribbons (AGNRs) may present intrinsic semiconducting bandgaps, being of potential interest in developing new organic-based optoelectronic…”
Get full text

Trap-assisted charge transport at conjugated polymer interfaces by Ribeiro Junior, Luiz Antonio, de Brito, Sara Santiago, de Oliveira Neto, Pedro Henrique

“…[Display omitted] •A trapped polaron can be released migrating between the chains at low temperature regimes.•A trapped bipolaron cannot be released even…”
Get full text

Exciton Diffusion in Organic Nanofibers: A Monte Carlo Study on the Effects of Temperature and Dimensionality by de Sousa, Leonardo Evaristo, da Silva Filho, Demétrio Antônio, de Sousa, Rafael Timóteo, de Oliveira Neto, Pedro Henrique

“…Organic nanofibers have found various applications in optoelectronic devices. In such devices, exciton diffusion is a major aspect concerning their efficiency…”
Get full text

Modelling the quenching effect of chloroaluminum phthalocyanine and graphene oxide interactions: implications for phototherapeutic applications by Bueno, Fernando Teixeira, de Sousa, Leonardo Evaristo, Paterno, Leonardo Giordano, Baggio, Alan Rocha, da Silva Filho, Demétrio Antônio, Neto, Pedro Henrique de Oliveira

“…Photodynamic therapy (PDT) and photothermal therapy (PTT) are promising candidates for cancer treatment and their efficiency can be further enhanced by using a…”
Get full text

Dynamical Study of Impurity Effects on Bipolaron–Bipolaron and Bipolaron–Polaron Scattering in Conjugated Polymers by Ribeiro, Luiz Antonio, da Cunha, Wiliam Ferreira, de Oliveira Neto, Pedro Henrique, Gargano, Ricardo, e Silva, Geraldo Magela

“…Combining the one-dimensional tight-binding Su–Schrieffer–Heeger (SSH) model and the extended Hubbard model (EHM), the scattering of two oppositely charged…”
Get full text