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Related papers: Electron Transfer rate between a electrode and a b…

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In this work, we revisit the electron transfer rate theory, with particular interests in the distinct quantum solvation effect, and the characterizations of adiabatic/nonadiabatic and Markovian/non-Markovian rate processes. We first present…

Chemical Physics · Physics 2016-09-28 Rui-Xue Xu , Ying Chen , Ping Cui , Hong-Wei Ke , YiJing Yan

In this perspective, the chemical physics of biological electron transfer are considered in relation to artificial electrocatalyst development. Nature's ability to access a wide range of chemical reactivities through a narrow set of…

Chemical Physics · Physics 2023-11-07 Peter Agbo

We consider the effect of electron correlations on tunneling from a 2D electron layer in a magnetic field parallel to the layer. A tunneling electron can exchange its momentum with other electrons, which leads to an exponential increase of…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 M. I. Dykman , T. Sharpee , P. M. Platzman

We explore electron transport properties in a quantum wire attached to two metallic electrodes. A simple tight-binding model is used to describe the system and the coupling of the wire to the electrodes (source and drain) is treated through…

Mesoscale and Nanoscale Physics · Physics 2010-01-10 Santanu K. Maiti

We discuss the effective donor/acceptor coupling for a bridged electron transfer system with a site-diagonal disorder of bridge energies. The average spectral properties of the system are discussed by using the Wegner model (Anderson's type…

Condensed Matter · Physics 2009-10-30 Ewa Gudowska-Nowak , Gabor Papp , Juergen Brickmann

It is proposed two models describing transport and absorbtion processes that occur in nanoscale fragments of electrical circuits, pulled adsorbed molecules, atomic or molecular chains connecting electrodes. Discrete chain model of a…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 V. N. Evteev , M. V. Moiseenko , E. V. Zhuravel , E. Ya. Glushko

We propose an analytical method for understanding the problem of long range electron transfer reaction in solution, modeled by a particle undergoing diffusive motion under the influence of many potentials which are involved (donor - bridge…

Quantum Physics · Physics 2015-06-30 Aniruddha Chakraborty

Understanding electron transfer in organic molecules is of great interest in quantum materials for light harvesting, energy conversion, and integration of molecules into solar cells. This, however, poses the challenge of designing specific…

Chemical Physics · Physics 2019-07-24 Duvalier Madrid-Úsuga , Cristian E. Susa , John H. Reina

We consider exciton effects on current in molecular nanojunctions, using a model comprising a two two-level sites bridge connecting free electron reservoirs. Expanding the density operator in the many-electron eigenstates of the uncoupled…

Strongly Correlated Electrons · Physics 2015-05-14 GuangQi Li , Boris D. Fainberg , Abraham Nitzan , Sigmund Kohler , Peter Hänggi

We derive a quantum master equation for an atom coupled to a heat bath represented by a charged particle many-body environment. In Born-Markov approximation, the influence of the plasma environment on the reduced system is described by the…

Atomic Physics · Physics 2016-05-04 Chengliang Lin , Christian Gocke , Gerd Röpke , Heidi Reinholz

Electron transfer (ET) at molecule-metal or molecule-semiconductor interfaces is a fundamental reaction that underlies all electro-chemical and molecular electronic processes as well as substrate-mediated surface photochemistry. In this…

Chemical Physics · Physics 2023-06-21 Yu Wang , Wenjie Dou

Electron transfer (ET) at electrochemical interfaces is central to energy conversion and storage, yet its theoretical and computational modeling remain active research areas. This review elucidates key concepts and theories of ET kinetics,…

Chemical Physics · Physics 2026-03-10 Mengke Zhang , Yanxia Chen , Marko M. Melander , Jun Huang

The crossover from nonadiabatic to adiabatic electron transfer has been theoretically studied under a spin-boson model (dissipative two-state system) description. We present numerically exact data for the thermal transfer rate and the…

Condensed Matter · Physics 2009-11-07 L. Muehlbacher , R. Egger

We develope a model to describe the transmission coefficient and tunneling current in the presence of photon-electron coupling in a resonant diode. Our model takes into account multiphoton processes as well as the transitions between…

Condensed Matter · Physics 2019-08-17 Jesus Inarrea , Ramon Aguado , Gloria Platero

In Li-ion batteries the electrochemical potential drives the redox reactions occurring at the interface between electrolyte and storage material, typically active particles for porous electrodes, allowing Li ions intercalation/extraction…

Applied Physics · Physics 2022-03-15 M. Magri , B. Boz , L. Cabras , A. Salvadori

Tunneling of electrons through rotor-stator anthracene aldehyde molecular interfaces is studied with a combined ab initio and model approach. Molecular electronic structure calculated from first principles is utilized to model different…

Chemical Physics · Physics 2016-05-27 Irina Petreska , Vladimir Ohanesjan , Ljupco Pejov , Ljupco Kocarev

There are various quantum chemical approaches for an ab initio description of transfer integrals within the framework of Marcus theory in the context of electron transfer reactions. In our article we aim to calculate transfer integrals in…

Mesoscale and Nanoscale Physics · Physics 2015-06-18 Georg Kastlunger , Robert Stadler

The dependence of electron transfer rates and yields in bridged molecular systems on the bridge length, and the dependence of the zero-bias conduction of molecular wires on wire length are discussed. Both phenomena are controlled by…

Chemical Physics · Physics 2007-05-23 Spiros Skourtis , Abraham Nitzan

We demonstrate how rate equations can be employed to find analytical expressions for the sequential tunneling current through a quantum dot as a function of the tunnel rates, for an arbitrary number of states involved. We apply this method…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 R. Hanson , I. T. Vink , D. P. DiVincenzo , L. M. K. Vandersypen , J. M. Elzerman , L. H. Willems van Beveren , L. P. Kouwenhoven

In this work we present and discuss theoretical models of redox molecular junctions that account for recent observations of nonlinear charge transport phenomena, such as hysteresis and hysteretic negative differential resistance (NDR). A…

Mesoscale and Nanoscale Physics · Physics 2013-06-21 Agostino Migliore , Abraham Nitzan