Alison Walker
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Physicist and Professor
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Physics
Alison Walker 's Degrees
- Masters Physics Stanford University
- Bachelors Physics University of California, Berkeley
Why Is Alison Walker Influential?
(Suggest an Edit or Addition)According to Wikipedia, Alison Bridget Walker is a physicist who is a professor at the University of Bath. Her research considers computational modelling of printed electronic devices and the development of perovskite solar cells. She is best known for her work on the Kinetic Monte Carlo method.
Alison Walker 's Published Works
Number of citations in a given year to any of this author's works
Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author
Published Works
- Dye-sensitized solar cells based on oriented TiO2 nanotube arrays: transport, trapping, and transfer of electrons. (2008) (709)
- Structural and electronic properties of hybrid perovskites for high-efficiency thin-film photovoltaics from first-principles (2013) (509)
- Dynamical Monte Carlo modelling of organic solar cells: the dependence of internal quantum efficiency on morphology. (2005) (364)
- Characterization of Planar Lead Halide Perovskite Solar Cells by Impedance Spectroscopy, Open-Circuit Photovoltage Decay, and Intensity-Modulated Photovoltage/Photocurrent Spectroscopy (2015) (316)
- Can slow-moving ions explain hysteresis in the current–voltage curves of perovskite solar cells? (2016) (289)
- Dynamic Monte Carlo simulation for highly efficient polymer blend photovoltaics. (2010) (140)
- Influence of grain morphology on electron transport in dye sensitized nanocrystalline solar cells (2003) (114)
- Electrical transport modelling in organic electroluminescent devices (2002) (108)
- How transport layer properties affect perovskite solar cell performance: insights from a coupled charge transport/ion migration model (2018) (105)
- Monte Carlo simulation of the transport of fast electrons and positrons in solids (1993) (100)
- Good Vibrations: Locking of Octahedral Tilting in Mixed-Cation Iodide Perovskites for Solar Cells (2017) (93)
- Exciton diffusion in energetically disordered organic materials (2009) (92)
- Partial cation substitution reduces iodide ion transport in lead iodide perovskite solar cells (2019) (89)
- Grain morphology and trapping effects on electron transport in dye-sensitized nanocrystalline solar cells. (2005) (86)
- Mixed A-Cation Perovskites for Solar Cells: Atomic-Scale Insights Into Structural Distortion, Hydrogen Bonding, and Electronic Properties (2018) (86)
- Phase Behavior and Polymorphism of Formamidinium Lead Iodide (2018) (75)
- Lead-Free Perovskite Semiconductors Based on Germanium–Tin Solid Solutions: Structural and Optoelectronic Properties (2018) (70)
- Trap Limited Exciton Transport in Conjugated Polymers (2008) (69)
- Analysis of photovoltage decay transients in dye-sensitized solar cells. (2006) (69)
- Predictive study of charge transport in disordered semiconducting polymers. (2007) (66)
- The internal electric field distribution in bilayer organic light emitting diodes (2002) (64)
- Putting the Squeeze on Lead Iodide Perovskites: Pressure-Induced Effects To Tune Their Structural and Optoelectronic Behavior (2019) (60)
- Bicontinuous minimal surface nanostructures for polymer blend solar cells. (2010) (59)
- Positron backscattering from elemental solids (1992) (58)
- Mesoscopic kinetic Monte Carlo modeling of organic photovoltaic device characteristics (2012) (55)
- Simulation of loss mechanisms in organic solar cells: A description of the mesoscopic Monte Carlo technique and an evaluation of the first reaction method. (2010) (54)
- Interpretation of apparent activation energies for electron transport in dye-sensitized nanocrystalline solar cells. (2006) (52)
- Influence of ionizing dopants on charge transport in organic semiconductors. (2014) (51)
- Two-dimensional simulations of bulk heterojunction solar cell characteristics (2008) (50)
- Simulation of organic light-emitting diodes (1999) (50)
- Dependence of Threshold Current on QW Position and on Pressure in 1.5 ?m InGaAs(P) Lasers (1999) (49)
- Measurement and modelling of dark current decay transients in perovskite solar cells (2017) (48)
- Computer simulation of ionic disorder in high-temperature PbF2 (1982) (45)
- Electron transport in the dye sensitized nanocrystalline cell (2001) (44)
- Electrical transport characteristics of single-layer organic devices from theory and experiment (2005) (41)
- Degradation in blue-emitting conjugated polymer diodes due to loss of ohmic hole injection (2004) (39)
- Molecular dynamics simulations of implantation damage and recovery in semiconductors (1995) (35)
- Computer simulation of atomic displacements in Si, GaAs, and AlAs (1995) (34)
- Transient response of photodetectors (1996) (32)
- Modelling temperature-dependent current-voltage characteristics of an MEH-PPV organic light emitting device (2002) (31)
- Utilizing Energy Transfer in Binary and Ternary Bulk Heterojunction Organic Solar Cells. (2016) (26)
- Median penetration depths and implantation profiles for low energy positrons in Al (1991) (26)
- The distribution of photoinjected electrons a dye-sensitized nanocrystalline TiO2 solar cell modelled by a boundary element method (2003) (26)
- Does supramolecular ordering influence exciton transport in conjugated systems? Insight from atomistic simulations (2011) (25)
- The Role of Surface Recombination on the Performance of Perovskite Solar Cells: Effect of Morphology and Crystalline Phase of TiO2 Contact (2018) (25)
- Real-time optical waveguide measurements of dye adsorption into nanocrystalline TiO2 films with relevance to dye-sensitized solar cells (2011) (24)
- Material dependence of positron implantation depths (1991) (24)
- Backscattering of slow positrons from semi-infinite aluminum (1998) (23)
- IonMonger: a free and fast planar perovskite solar cell simulator with coupled ion vacancy and charge carrier dynamics (2019) (22)
- Engineering Two-Phase and Three-Phase Microstructures from Water-Based Dispersions of Nanoparticles for Eco-Friendly Polymer Solar Cell Applications (2018) (22)
- Systematic derivation of a surface polarisation model for planar perovskite solar cells (2017) (20)
- Interpretation of photocurrent transients at semiconductor electrodes: Effects of band-edge unpinning (2020) (20)
- Transient photocurrents in dye-sensitized nanocrystalline solar cells (2007) (19)
- Positron thermalization and non-thermal trapping in metals (1990) (19)
- In situ detection of free and trapped electrons in dye-sensitized solar cells by photo-induced microwave reflectance measurements (2012) (18)
- Non-local positron-electron density functional theory and the positron surface state (1988) (18)
- A calculation of the annihilation characteristics of positrons trapped at metal surfaces (1987) (18)
- Lleyn earthquake of 1984 July 19: aftershock sequence and focal mechanism (1988) (17)
- Computer simulation of superionic lead fluoride (1981) (16)
- The North Wales earthquake of 19 July 1984 (1985) (16)
- Multiscale Modeling of Charge and Energy Transport in Organic Light-Emitting Diodes and Photovoltaics (2009) (15)
- Understanding the role of ultra-thin polymeric interlayers in improving efficiency of polymer light emitting diodes (2014) (15)
- Identification of recombination losses and charge collection efficiency in a perovskite solar cell by comparing impedance response to a drift-diffusion model. (2020) (15)
- Monte Carlo simulation of GaAs optically activated switches (1994) (15)
- Simulation of the external quantum efficiency for bilayer organic light-emitting diodes (2004) (15)
- Temperature and field dependence of the mobility of highly ordered conjugated polymer films (2002) (15)
- Calculation of hole mobilities in relaxed and strained SiGe by Monte Carlo simulation (1998) (14)
- A Computer Simulation of Slow-Positron Implantation Depths in Aluminum (2000) (14)
- Unconventional Thin Film Photovoltaics (2016) (14)
- Determination of the Electron Diffusion Length in Dye-Sensitized Solar Cells by Substrate Contact Patterning (2011) (14)
- Microwave Reflectance Studies of Photoelectrochemical Kinetics at Semiconductor Electrodes. 1. Steady-State, Transient, and Periodic Responses (2003) (13)
- Deducing transport properties of mobile vacancies from perovskite solar cell characteristics (2020) (11)
- Multi-timescale Monte Carlo method for simulating electron transport in dye-sensitized nanocrystalline solar cells (2005) (10)
- Density-dependent potentials for simple metals (1990) (10)
- Modelling the influence of high currents on the cutoff frequency in Si/SiGe/Si heterojunction transistors (1998) (10)
- One- and two-dimensional models of the transient response of metal-semiconductor-metal photodetectors including diffraction (1997) (10)
- Theory of positronium momentum spectra at metallic surfaces (1986) (9)
- Salt bridge impact on global rigidity and thermostability in thermophilic citrate synthase (2019) (9)
- Monte Carlo calculations of base transit time in bipolar transistors (1993) (9)
- Microscopic origins of charge transport in triphenylene systems (2018) (9)
- Phase diagrams of simple metals from molecular dynamics (1986) (9)
- Microwave Reflectance Studies of Photoelectrochemical Kinetics at Semiconductor Electrodes. 2. Hydrogen Evolution at p-Si in Ammonium Fluoride Solution (2003) (9)
- Effects of piezoelectric field, bias and indium fluctuations on a InGaN–GaN single quantum well system (2002) (8)
- Calculations of the angular correlation of positron annihilation at ideal and defected aluminium surfaces (1988) (8)
- Monte Carlo simulation of electron transport in highly delta-doped GaAs/AlGaAs quantum wells (1998) (8)
- Statistics of polymer chains embedded on a diamond lattice. II. Results for arbitrary trans and gauche weightings (1982) (8)
- DENSITY-DEPENDENT POTENTIALS FOR SIMULATIONS (1990) (8)
- MODELLING OF P-I-N PHOTODIODES UNDER HIGH ILLUMINATION CONDITIONS (1997) (7)
- Seismic monitoring of Lake Nyos, Cameroon, following the gas release disaster of August 1986 (1992) (7)
- Applications of microwave reflectance methods to the study of p-Si in fluoride solutions (2002) (7)
- Modelling of hole mobilities in heavily doped strained SiGe (1998) (7)
- Scaling properties of metal - semiconductor - metal photodetectors (1996) (6)
- On the importance of detailed structure in molecular electronics (and why microscopic models cannot see the wood for trees) (2018) (6)
- The pseudoquadrupole effect in cubic ferromagnets (1981) (6)
- Thermodynamics of the Coulomb lattice gas (1983) (6)
- Positron states in vacancies and voids (1991) (6)
- Transport properties of highly aligned polymer light-emitting diodes (2000) (5)
- Quantifying polaronic effects on the scattering and mobility of charge carriers in lead halide perovskites (2020) (5)
- Positron slowing down and surface processes (2008) (5)
- Modelling exciton diffusion in disordered conjugated polymers (2010) (5)
- Mechanism of impact ionization enhancement in GaAs p-i-n diodes under high illumination conditions (1998) (5)
- 3D-to-2D Transition of Anion Vacancy Mobility in CsPbBr3 under Hydrostatic Pressure. (2021) (5)
- Implantation and Diffusion in Thin Films (1992) (4)
- Monte Carlo simulation of electron transport in delta-doped lattice-matched and strained-balanced InGaAs/InAlAs quantum wells (1999) (4)
- THE FORMATION OF A POLYMERIC PLATINUM(II) COMPLEX CONTAINING A METALLODITHIOCARBOXYLATO-METAL LINKAGE (1982) (4)
- Chapter 9:Drift Diffusion Modelling of Charge Transport in Photovoltaic Devices (2016) (4)
- Monte Carlo simulation of positron slowing down in aluminium (2008) (4)
- Low-temperature positron trapping into voids in metals (1992) (4)
- Current–voltage characteristics of dendrimer light-emitting diodes (2010) (4)
- iodide for perovskite solar cells† (2017) (4)
- Monte Carlo simulation of InP and GaAs MESFETs (1994) (4)
- Monte carlo studies of electronic processes in dye-sensitized solar cells. (2014) (4)
- Simulations of the melting of rare-gas inclusions in metals (1992) (3)
- Overscreening and Underscreening in Solid-Electrolyte Grain Boundary Space-Charge Layers. (2021) (3)
- Simulation of widebandgap multi-quantum well light emitting diodes (2000) (3)
- Positron trapping at ideal and defected metal surfaces (1989) (3)
- Positron states on perfect and defected aluminium surfaces (1988) (2)
- Towards unification of perovskite stability and photovoltaic performance assessment (2020) (2)
- Deducing the key physical properties of a perovskite solar cell from its impedance response: insights from drift-diffusion modelling (2020) (2)
- Representations of the local atomic density (1998) (2)
- Simulation of optically biased, edge coupled InP/InGaAs phototransistors (1997) (2)
- Modelling of the influence of velocity overshoot on the cut-off frequency in Si and GaAs heterojunction bipolar transistors (1996) (2)
- 3D-to-2D Transition of Anion Vacancy Mobility in CsPbBr3 under Hydrostatic Pressure (2021) (1)
- Novel light emitter and wavelength converter device (1998) (1)
- NATO Workshop on Negative Differential Resistance and Instabilities in 2D Semiconductors (1993) (1)
- Simulating morphologies of organic semiconductors by exploiting low-frequency vibrational modes. (2019) (1)
- Positron Surface State Theory (1992) (1)
- Experimental and Monte-Carlo studies of electron and positron backscattering (2008) (1)
- Field Dependence of Positron Mobility in Semiconductors (1992) (1)
- Calculation of positron diffusion in layered systems (2008) (1)
- Quantum aspects of molecular motions in solids. edited by A. Heidemann, A. Magerl, M. Prager, D. Richter and T. Springer (1988) (1)
- Simulation of optical switches using the Monte Carlo method (1993) (1)
- Effect of spatial irregularities on the temperature and field dependence of the mobility in liquid-crystalline conjugated polymer films (2004) (1)
- Non-unique solutions in drift diffusion modelling of phototransistors (2000) (1)
- Temperature-Dependent Screening Calculation of Hot-Electron Scattering in Heavily Doped Semiconductors (1993) (0)
- Raw Data for Azetidinium Lead Iodide for Perovskite Solar Cells (2018) (0)
- Positron Thermalisation in Aluminum (1991) (0)
- Studies of disorder in fastionics and of a nuclear quadrupole interaction in ordered markets (1980) (0)
- Letting the sunshine in (2013) (0)
- On secondary order parameters (1983) (0)
- Time-Dependent Drift-Diffusion Modelling of Perovskite Solar Cells with Moving Ions (2015) (0)
- Parametric study of perovskite solar cells using drift-diffusion modelling (2015) (0)
- Currentvoltage characteristics of dendrimer light-emitting diodes (2019) (0)
- Kinetic theory of plasmas (2004) (0)
- Analysis of heterojunction phototransistors (2003) (0)
- Dataset for publication: "Modelling dark current decay transients in perovskite solar cells with mobile ions" (2016) (0)
- Modelling Temperature Dependence of Hysteresis in Perovskite Solar Cells (2016) (0)
- Interpretation of Photocurrent Transients at Semiconductor Electrodes: Effects of Band-Edge Unpinning (submitted to J. Electroanalytical Chemistry) (2020) (0)
- Scaling and screening in long MSM photodiodes (1996) (0)
- Microscopic simulation of ultrafast photodetectors (1995) (0)
- Positron thermalisation and nonthermal trapping in aluminium (2008) (0)
- The Role of Partial Illumination in Metal-Semiconductor-Metal Photodectors (MSM-PD) (1998) (0)
- The Royal Society of iodide for perovskite solar cells † (2017) (0)
- Theory of positron trapping into the surface state (2008) (0)
- Carlo simulation of electron transport through nanocrystalline TiO 2 in dye sensitized solar cells ( Grätzel cells ) (2003) (0)
- Wave–particle interactions and kinetic effects (2004) (0)
- HARMONIC MODES OF A DISORDERED ZIG-ZAG CHAIN. (2007) (0)
- Systematic derivation of a surface polarisation model for planar perovskite solar cells – CORRIGENDUM (2019) (0)
- Studies of charge transport, trapping and recombinationin dye-sensitised nanocrystalline solar cells (2001) (0)
- Modelling Hysteresis in Perovskite Solar Cells (2018) (0)
- Modelling Point Defects in Lithium Garnets (2018) (0)
- Seismic monitoring of Lake Nyos, Cameroon (1992) (0)
- Positron Slowing Down (1992) (0)
- Modelling ion motion in perovskite films (2016) (0)
- 3D-to-2D Transition of Anion Mobility in CsPbBr3 under Pressure (2021) (0)
- Meso-Scale Modelling of Charge Transport in Halide Perovskites (2018) (0)
- The calculation of positron annihilation rates in voids in aluminium as a function of void radius using non‐local density functional theory (2008) (0)
- Positron Transport and Surface Interactions (1992) (0)
- Monte Carlo simulation of wide AlGaAs barriers (1993) (0)
- Kinetic Monte Carlo simulation of organic devices (2013) (0)
- Computational Modelling of Point Defects in Lithium Garnets (2017) (0)
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