Michael B. Johnston

Michael B. Johnston's AcademicInfluence.com Rankings

Michael B. Johnston

Chemistry

#2887

World Rank

#3857

Historical Rank

Chemical Engineering

#304

World Rank

#318

Historical Rank

chemistry Degrees

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Chemistry

Michael B. Johnston's Degrees

Bachelors Chemical Engineering University of California, Berkeley

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Michael B. Johnston'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

Efficient planar heterojunction perovskite solar cells by vapour deposition (2013) (6644)
Formamidinium lead trihalide: a broadly tunable perovskite for efficient planar heterojunction solar cells (2014) (2901)
High Charge Carrier Mobilities and Lifetimes in Organolead Trihalide Perovskites (2013) (2468)
A mixed-cation lead mixed-halide perovskite absorber for tandem solar cells (2016) (2191)
Lead-free organic–inorganic tin halide perovskites for photovoltaic applications (2014) (1618)
Bandgap‐Tunable Cesium Lead Halide Perovskites with High Thermal Stability for Efficient Solar Cells (2016) (1084)
The 2017 terahertz science and technology roadmap (2017) (1027)
Perovskite-perovskite tandem photovoltaics with optimized band gaps (2016) (983)
Electron–phonon coupling in hybrid lead halide perovskites (2016) (768)
Hybrid Perovskites for Photovoltaics: Charge-Carrier Recombination, Diffusion, and Radiative Efficiencies. (2016) (702)
Temperature‐Dependent Charge‐Carrier Dynamics in CH3NH3PbI3 Perovskite Thin Films (2015) (689)
Electron mobility and injection dynamics in mesoporous ZnO, SnO₂, and TiO₂ films used in dye-sensitized solar cells. (2011) (647)
Cs2InAgCl6: A New Lead-Free Halide Double Perovskite with Direct Band Gap. (2016) (557)
Enhanced UV-light stability of planar heterojunction perovskite solar cells with caesium bromide interface modification (2016) (389)
Charge-carrier dynamics in vapour-deposited films of the organolead halide perovskite CH3NH3PbI3-xClx (2014) (353)
Charge-Carrier Dynamics in 2D Hybrid Metal-Halide Perovskites. (2016) (346)
Charge selective contacts, mobile ions and anomalous hysteresis in organic-inorganic perovskite solar cells (2015) (331)
Optical properties and limiting photocurrent of thin-film perovskite solar cells (2015) (330)
Homogeneous Emission Line Broadening in the Organo Lead Halide Perovskite CH3NH3PbI3-xClx. (2014) (326)
Photovoltaic mixed-cation lead mixed-halide perovskites: links between crystallinity, photo-stability and electronic properties (2017) (315)
Solution Deposition‐Conversion for Planar Heterojunction Mixed Halide Perovskite Solar Cells (2014) (313)
Simulation of terahertz generation at semiconductor surfaces (2002) (301)
Charge‐Carrier Dynamics and Mobilities in Formamidinium Lead Mixed‐Halide Perovskites (2015) (293)
A piperidinium salt stabilizes efficient metal-halide perovskite solar cells (2020) (281)
Efficient perovskite solar cells by metal ion doping (2016) (280)
Highly Efficient Perovskite Solar Cells with Tunable Structural Color (2015) (275)
Electronic properties of GaAs, InAs and InP nanowires studied by terahertz spectroscopy (2013) (264)
Efficient and Air‐Stable Mixed‐Cation Lead Mixed‐Halide Perovskite Solar Cells with n‐Doped Organic Electron Extraction Layers (2017) (252)
Vibrational Properties of the Organic–Inorganic Halide Perovskite CH3NH3PbI3 from Theory and Experiment: Factor Group Analysis, First-Principles Calculations, and Low-Temperature Infrared Spectra (2015) (244)
Carrier lifetime and mobility enhancement in nearly defect-free core-shell nanowires measured using time-resolved terahertz spectroscopy. (2009) (241)
A low viscosity, low boiling point, clean solvent system for the rapid crystallisation of highly specular perovskite films (2017) (234)
Structured Organic–Inorganic Perovskite toward a Distributed Feedback Laser (2016) (228)
Crystallization Kinetics and Morphology Control of Formamidinium–Cesium Mixed‐Cation Lead Mixed‐Halide Perovskite via Tunability of the Colloidal Precursor Solution (2017) (197)
Bimolecular recombination in methylammonium lead triiodide perovskite is an inverse absorption process (2018) (195)
Charge carrier recombination channels in the low-temperature phase of organic-inorganic lead halide perovskite thin films (2014) (192)
Plasmonic‐Induced Photon Recycling in Metal Halide Perovskite Solar Cells (2015) (191)
Transient Terahertz Conductivity of GaAs Nanowires (2007) (186)
Ultrafast transient terahertz conductivity of monolayer MoS₂ and WSe₂ grown by chemical vapor deposition. (2014) (172)
Ultralow surface recombination velocity in InP nanowires probed by terahertz spectroscopy. (2012) (162)
Efficient, Semitransparent Neutral-Colored Solar Cells Based on Microstructured Formamidinium Lead Trihalide Perovskite. (2015) (162)
High irradiance performance of metal halide perovskites for concentrator photovoltaics (2018) (154)
Electronic Traps and Phase Segregation in Lead Mixed-Halide Perovskite (2018) (151)
A review of the electrical properties of semiconductor nanowires: insights gained from terahertz conductivity spectroscopy (2016) (150)
The development of terahertz sources and their applications. (2002) (136)
Polarisation-sensitive terahertz detection by multicontact photoconductive receivers (2005) (125)
Photon Reabsorption Masks Intrinsic Bimolecular Charge-Carrier Recombination in CH3NH3PbI3 Perovskite. (2017) (124)
Solution-Processed All-Perovskite Multi-Junction Solar Cells (2019) (123)
Extreme sensitivity of graphene photoconductivity to environmental gases (2012) (120)
The Effects of Doping Density and Temperature on the Optoelectronic Properties of Formamidinium Tin Triiodide Thin Films (2018) (118)
Atomic-scale microstructure of metal halide perovskite (2020) (118)
Revealing the origin of voltage loss in mixed-halide perovskite solar cells (2020) (117)
Effect of Structural Phase Transition on Charge-Carrier Lifetimes and Defects in CH3NH3SnI3 Perovskite. (2016) (115)
Unveiling the Influence of pH on the Crystallization of Hybrid Perovskites, Delivering Low Voltage Loss Photovoltaics (2017) (114)
Enhanced Amplified Spontaneous Emission in Perovskites Using a Flexible Cholesteric Liquid Crystal Reflector. (2015) (107)
Influence of surface passivation on ultrafast carrier dynamics and terahertz radiation generation in GaAs (2006) (106)
Band‐Tail Recombination in Hybrid Lead Iodide Perovskite (2017) (105)
Single nanowire photoconductive terahertz detectors. (2015) (100)
Three-dimensional carrier-dynamics simulation of terahertz emission from photoconductive switches (2005) (95)
The role of ultrafast torsional relaxation in the emission from polythiophene aggregates (2010) (93)
Ultrafast terahertz conductivity dynamics in mesoporous TiO2: Influence of dye sensitization and surface treatment in solid-state dye-sensitized solar cells (2010) (93)
Efficient generation of charges via below-gap photoexcitation of polymer-fullerene blend films investigated by terahertz spectroscopy (2008) (89)
Large-Area, Highly Uniform Evaporated Formamidinium Lead Triiodide Thin Films for Solar Cells (2017) (88)
Formation Dynamics of CH3NH3PbI3 Perovskite Following Two-Step Layer Deposition. (2016) (86)
Enhanced coherent terahertz emission from indium arsenide in the presence of a magnetic field (2000) (86)
Ultrafast charge separation at a polymer-single-walled carbon nanotube molecular junction. (2011) (85)
Low-energy vibrational modes in phenylene oligomers studied by THz time-domain spectroscopy (2003) (84)
Radiative Monomolecular Recombination Boosts Amplified Spontaneous Emission in HC(NH2)2SnI3 Perovskite Films. (2016) (83)
Electron mobilities approaching bulk limits in "surface-free" GaAs nanowires. (2014) (81)
Modulation doping of GaAs/AlGaAs core-shell nanowires with effective defect passivation and high electron mobility. (2015) (77)
Terahertz Properties of Graphene (2012) (77)
Conformational changes of photoactive yellow protein monitored by terahertz spectroscopy (2008) (70)
Halide Segregation in Mixed-Halide Perovskites: Influence of A-Site Cations (2021) (68)
Elucidating the Long-range Charge Carrier Mobility in Metal Halide Perovskite Thin Films (2018) (67)
An Ultrafast Switchable Terahertz Polarization Modulator Based on III-V Semiconductor Nanowires. (2017) (65)
Selective dielectrophoretic manipulation of surface-immobilized DNA molecules (2003) (62)
Hybrid Perovskites: Prospects for Concentrator Solar Cells (2018) (61)
Raman Spectrum of the Organic–Inorganic Halide Perovskite CH3NH3PbI3 from First Principles and High-Resolution Low-Temperature Raman Measurements (2018) (60)
The origin of an efficiency improving “light soaking” effect in SnO2 based solid-state dye-sensitized solar cells (2012) (60)
Excitation-density-dependent generation of broadband terahertz radiation in an asymmetrically excited photoconductive antenna. (2007) (59)
Theory of magnetic-field enhancement of surface-field terahertz emission (2002) (59)
Crystallization of CsPbBr3 single crystals in water for X-ray detection (2021) (59)
Photoconductive response correction for detectors of terahertz radiation (2008) (59)
Increased Photoconductivity Lifetime in GaAs Nanowires by Controlled n-Type and p-Type Doping. (2016) (58)
Heterogeneous Photon Recycling and Charge Diffusion Enhance Charge Transport in Quasi-2D Lead-Halide Perovskite Films (2019) (57)
Strong carrier lifetime enhancement in GaAs nanowires coated with semiconducting polymer. (2012) (57)
Optical Description of Mesostructured Organic-Inorganic Halide Perovskite Solar Cells. (2015) (57)
Influence of Interface Morphology on Hysteresis in Vapor‐Deposited Perovskite Solar Cells (2017) (57)
Generation of high-power terahertz pulses in a prism. (2002) (55)
Noncontact measurement of charge carrier lifetime and mobility in GaN nanowires. (2012) (55)
Elucidating the Role of a Tetrafluoroborate‐Based Ionic Liquid at the n‐Type Oxide/Perovskite Interface (2019) (54)
Temperature-Dependent Refractive Index of Quartz at Terahertz Frequencies (2018) (51)
Three-dimensional cross-nanowire networks recover full terahertz state (2020) (50)
Interplay of Structural and Optoelectronic Properties in Formamidinium Mixed Tin–Lead Triiodide Perovskites (2018) (50)
Trap States, Electric Fields, and Phase Segregation in Mixed‐Halide Perovskite Photovoltaic Devices (2020) (49)
Near‐Infrared and Short‐Wavelength Infrared Photodiodes Based on Dye–Perovskite Composites (2017) (49)
An ion-implanted InP receiver for polarization resolved terahertz spectroscopy. (2007) (48)
Control over Crystal Size in Vapor Deposited Metal-Halide Perovskite Films (2020) (48)
Fast charge-carrier trapping in TiO2 nanotubes (2015) (46)
Highly Crystalline Methylammonium Lead Tribromide Perovskite Films for Efficient Photovoltaic Devices (2018) (45)
Impact of the Organic Cation on the Optoelectronic Properties of Formamidinium Lead Triiodide. (2018) (45)
Simulation and optimisation of terahertz emission from InGaAs and InP photoconductive switches (2005) (42)
Broadband Phase-Sensitive Single InP Nanowire Photoconductive Terahertz Detectors. (2016) (42)
Nanoengineering coaxial carbon nanotube-dual-polymer heterostructures. (2012) (42)
Metal composition influences optoelectronic quality in mixed-metal lead–tin triiodide perovskite solar absorbers (2020) (40)
Superfocusing of terahertz waves (2007) (38)
Colour-selective photodiodes (2015) (38)
Terahertz Excitonic Response of Isolated Single-Walled Carbon Nanotubes (2009) (37)
Extraction of the anisotropic dielectric properties of materials from polarization-resolved terahertz time-domain spectra (2009) (37)
Dual-Source Coevaporation of Low-Bandgap FA1–xCsxSn1–yPbyI3 Perovskites for Photovoltaics (2019) (36)
Charge‐Carrier Trapping and Radiative Recombination in Metal Halide Perovskite Semiconductors (2020) (35)
The influence of surfaces on the transient terahertz conductivity and electron mobility of GaAs nanowires (2017) (33)
Ultrafast Excited-State Localization in Cs2AgBiBr6 Double Perovskite (2021) (32)
Phase segregation in mixed-halide perovskites affects charge-carrier dynamics while preserving mobility (2021) (31)
An ultrafast carbon nanotube terahertz polarisation modulator (2014) (31)
InxGa1−xAs nanowires with uniform composition, pure wurtzite crystal phase and taper-free morphology (2015) (31)
Impact of Tin Fluoride Additive on the Properties of Mixed Tin‐Lead Iodide Perovskite Semiconductors (2020) (31)
Nanotechnology for catalysis and solar energy conversion (2020) (31)
Proton irradiation-induced intermixing in InGaAs/(Al)GaAs quantum wells and quantum-well lasers (1999) (29)
Impurity Tracking Enables Enhanced Control and Reproducibility of Hybrid Perovskite Vapor Deposition (2019) (29)
Dependence of Dye Regeneration and Charge Collection on the Pore‐Filling Fraction in Solid‐State Dye‐Sensitized Solar Cells (2014) (28)
Charge-Carrier Trapping Dynamics in Bismuth-Doped Thin Films of MAPbBr3 Perovskite. (2020) (28)
Limits to Electrical Mobility in Lead-Halide Perovskite Semiconductors (2021) (27)
Improved carrier collection in intermixed InGaAs/GaAs quantum wells (1998) (27)
Charge‐Carrier Dynamics, Mobilities, and Diffusion Lengths of 2D–3D Hybrid Butylammonium–Cesium–Formamidinium Lead Halide Perovskites (2019) (26)
Direct observation of charge-carrier heating at WZ-ZB InP nanowire heterojunctions. (2013) (26)
High Electron Mobility and Insights into Temperature-Dependent Scattering Mechanisms in InAsSb Nanowires. (2018) (26)
Effect of Ultraviolet Radiation on Organic Photovoltaic Materials and Devices (2019) (26)
Growth modes and quantum confinement in ultrathin vapour-deposited MAPbI3 films. (2019) (26)
Dynamic terahertz polarization in single-walled carbon nanotubes (2010) (25)
Improved Performance of GaAs-Based Terahertz Emitters via Surface Passivation and Silicon Nitride Encapsulation (2011) (24)
Charge-Carrier Mobility and Localization in Semiconducting Cu2AgBiI6 for Photovoltaic Applications (2021) (24)
Ultrafast dynamics of exciton formation in semiconductor nanowires. (2012) (23)
Ultrafast Transient Terahertz Conductivity of Monolayer MoS 2 and WSe 2 Grown by Chemical Vapor (2014) (22)
Photocurrent Spectroscopy of Perovskite Solar Cells Over a Wide Temperature Range from 15 to 350 K. (2018) (22)
Carrier capture and relaxation in Stranski-Krastanow In x Ga 1 − x As / GaAs ( 311 ) B quantum dots (2000) (22)
Single n+-i-n+ InP nanowires for highly sensitive terahertz detection (2017) (21)
Interdiffused quantum-well infrared photodetectors for color sensitive arrays (1999) (21)
Light Absorption and Recycling in Hybrid Metal Halide Perovskite Photovoltaic Devices (2020) (20)
Terahertz magnetoconductivity of excitons and electrons in quantum cascade structures (2008) (20)
Carrier dynamics in ion-implanted semiconductors studied by simulation and observation of terahertz emission (2004) (20)
Terahertz photoconductivity of mobile electrons in nanoporous InP honeycombs (2008) (19)
Conductivity of nanoporous InP membranes investigated using terahertz spectroscopy (2007) (19)
Terahertz Conductivity Analysis for Highly Doped Thin-Film Semiconductors (2020) (19)
CsPbBr3 Nanocrystal Films: Deviations from Bulk Vibrational and Optoelectronic Properties (2020) (18)
Charge-carrier dynamics in vapour-deposited films of the organolead halide perovskite (2014) (18)
Effects of anodic oxide induced intermixing on the structural and optical properties of quantum wire structure grown on nonplanar GaAs substrate (1996) (18)
Emission of collimated THz pulses from photo-excited semiconductors (2004) (18)
Understanding and suppressing non-radiative losses in methylammonium-free wide-bandgap perovskite solar cells (2022) (17)
Charge trapping in polymer transistors probed by terahertz spectroscopy and scanning probe potentiometry (2006) (17)
Low ensemble disorder in quantum well tube nanowires. (2015) (16)
Effects of magnetic field and optical fluence on terahertz emission in gallium arsenide (2001) (16)
Optimizing the Energy Offset between Dye and Hole-Transporting Material in Solid-State Dye-Sensitized Solar Cells (2013) (15)
Simulation of fluence-dependent photocurrent in terahertz photoconductive receivers (2012) (15)
Solvent-Free Method for Defect Reduction and Improved Performance of p-i-n Vapor-Deposited Perovskite Solar Cells (2022) (14)
Growth of Si and C δ‐doped nipi doping superlattices in GaAs by metal organic vapor phase epitaxy (1996) (14)
Static Electrification by Nonwetting Liquids. Contact Charging and Contact Angles (1995) (14)
Magnetic-field-induced enhancement of terahertz emission from III–V semiconductor surfaces (2002) (14)
Proton implantation and rapid thermal annealing effects on GaAs/AlGaAs quantum well infrared photodetectors (1999) (13)
Intrinsic quantum confinement in formamidinium lead triiodide perovskite (2020) (13)
Thermally Stable Passivation toward High Efficiency Inverted Perovskite Solar Cells (2020) (12)
Understanding Dark Current-Voltage Characteristics in Metal-Halide Perovskite Single Crystals (2021) (11)
Title: Perovskite-perovskite tandem photovoltaics with ideal bandgaps (2016) (11)
Low-energy collective dynamics of charge stripes in the doped nickelateLa2−xSrxNiO4+δobserved with optical conductivity measurements (2008) (11)
Exciton dissociation in polymer field-effect transistors studied using terahertz spectroscopy (2008) (10)
Towards higher electron mobility in modulation doped GaAs/AlGaAs core shell nanowires. (2017) (10)
Modification of the fluorinated tin oxide/electron-transporting material interface by a strong reductant and its effect on perovskite solar cell efficiency (2018) (9)
The application of one-dimensional nanostructures in terahertz frequency devices (2021) (8)
Fast silicon photodiodes (2017) (8)
Revealing Ultrafast Charge-Carrier Thermalization in Tin-Iodide Perovskites through Novel Pump–Push–Probe Terahertz Spectroscopy (2021) (8)
Detecting the full polarization state of terahertz transients (2006) (8)
Efficient energy transfer mitigates parasitic light absorption in molecular charge-extraction layers for perovskite solar cells (2020) (7)
Photoluminescence study of the dynamical properties of GaAs sawtooth superlattices (1997) (7)
Air‐Degradation Mechanisms in Mixed Lead‐Tin Halide Perovskites for Solar Cells (2022) (6)
Ultrafast photo-induced phonon hardening due to Pauli blocking in MAPbI3 single-crystal and polycrystalline perovskites (2021) (6)
Pump-Probe Spectroscopy at Terahertz Frequencies (2012) (6)
Wavelength shifting of adjacent quantum wells in V-groove quantum wire structure by selective implantation and annealing (2000) (5)
Thermally stimulated luminescence in ion-implanted GaAs (2002) (5)
PlasmonicInduced Photon Recycling in Metal Halide Perovskite Solar Cells (2015) (5)
Quantum well intermixing in InGaAs/(Al)GaAs by As and H irradiation (1998) (4)
Hot electron cooling in InSb probed by ultrafast time-resolved terahertz cyclotron resonance (2021) (4)
Si and C δ-doping for device applications (1998) (4)
Publisher Correction: High irradiance performance of metal halide perovskites for concentrator photovoltaics (2018) (3)
Optoelectronic Properties of Mixed Iodide–Bromide Perovskites from First-Principles Computational Modeling and Experiment (2022) (3)
Controlling Intrinsic Quantum Confinement in Formamidinium Lead Triiodide Perovskite through Cs Substitution (2022) (3)
Intense terahertz generation based on the photo-Dember effect (2010) (3)
3D-cross Nanowire Networks Recover Full Terahertz State (2020) (2)
contacts , mobile ions and anomalous hysteresis in organic – inorganic perovskite solar cells † (2015) (2)
Ultrafast Charge Separation at a Single-walled Carbon Nanotube – Polymer Interface (2011) (2)
The 2023 terahertz science and technology roadmap (2023) (2)
Si and C δ-doping of GaAs grown by metal organic vapour phase epitaxy for fabrication of nipi doping superlattices (1998) (2)
Distinguishing cap and core contributions to the photoconductive terahertz response of single GaAs based core–shell–cap nanowire detectors (2018) (1)
Terahertz radiation from multiplexed photo-Dember currents (2010) (1)
Unveiling Temperature-Dependent Scattering Mechanisms in Semiconductor Nanowires Using Optical-Pump Terahertz-Probe Spectroscopy (2019) (1)
Polymer Transistor Performance Monitored by Terahertz Spectroscopy (2006) (1)
Simulation of surface field THz generation in a magnetic field (2001) (1)
Temperature-Dependent Refractive Index of Quartz at Terahertz Frequencies (2018) (1)
Single nanowire terahertz detectors (2015) (1)
A comparative study of GaAs/AlGaAs quantum well infrared photodetectors grown by molecular beam epitaxy and metal organic vapour phase epitaxy (1998) (1)
Investigations of doping via optical pump terahertz-probe spectroscopy (2017) (1)
Improved intermixing in GaAs/AlGaAs quantum well structures through repeated implant-anneal sequence (1998) (1)
Possibility of enhanced frequency response of intermixed InGaAs/GaAs and InGaAs/AlGaAs quantum well devices (1998) (1)
Introduction to the Special Issue on “Photoconductive Emission and Detection of Terahertz Radiation” (2012) (1)
Supporting Information for: Control over crystal size in vapour deposited metal- halide perovskite films (2020) (1)
Characterisation of nanostructures via terahertz spectroscopy (2010) (1)
Polarization Anisotropy in Nanowires: Fundamental Concepts and Progress Towards Terahertz-Band Polarization Devices (2022) (1)
Choice of Polymer Matrix for a Fast Switchable III-V Nanowire Terahertz Modulator (2017) (1)
Terahertz conductivity of magnetoexcitons and electrons in semiconductor nanostructures (2009) (1)
Observation of state filling effects in the carrier dynamics of self-assembled quantum dots (1998) (1)
Single GaAs/AlGaAs nanowire photoconductive terahertz detectors (2014) (1)
Supplementary Information for “ Optical Properties and Limiting Photocurrent of Thin-Film Perovskite Solar Cells ” (2014) (1)
Terahertz spectroscopy of modulation doped core-shell GaAs/AlGaAs nanowires (2015) (1)
Preface to Special Topic: Frontiers on THz photonic devices (2018) (1)
Effect of ion mass on the irradiation-induced intermixing of GaAs/AlGaAs quantum wells (1998) (1)
Environment induced variation in the photoconductivity of graphene observed by terahertz spectroscopy (2012) (0)
Controlling and Understanding the Effects of Crystal Size in Vapor Deposited Metal-Halide Perovskite Solar Cells (2021) (0)
Application of selective implantation induced intermixing on V-grooved AlGaAs/GaAs coupled quantum wire (1998) (0)
Tracking Electron & Hole Dynamics in 3D Dirac Semimetals (2021) (0)
From Terahertz Spectroscopy to Novel Devices (2020) (0)
Terahertz emission and lifetime measurements of ion-implanted semiconductors: Experiment and simulation (2006) (0)
TEM studies of plasmonic dye-sensitized solar cell photoanodes (1970) (0)
Broadband single-nanowire photoconductive terahertz detectors (2017) (0)
Electronic Supplementary Information : ‘ Towards Higher Electron Mobility in Modulation Doped GaAs / AlGaAs Core – Shell Nanowires ’ (2017) (0)
Extracting the key electrical properties of semiconductors using optical pump terahertz probe spectroscopy (2016) (0)
Supporting Information: Charge-Carrier Trapping Dynamics in Bismuth-Doped Thin Films of MAPbBr 3 Perovskite (2020) (0)
Transient terahertz spectroscopy of mono- and tri-layer CVD-grown MoS2 (2013) (0)
Photoconductive terahertz receivers utilizing single semiconductor nanowires (2015) (0)
Increased photoconductivity lifetimes in GaAs nanowires via n-type and p-type shell doping (2016) (0)
Impurities and their influence on the co-evaporation of methylammonium perovskite thin-film solar cells (2019) (0)
Probing the photophysics of semiconductor nanomaterials using optical pump-terahertz probe spectroscopy: from nanowires to perovskites (2018) (0)
Terahertz Probe of Carrier Trapping in Polymer Transistors (2007) (0)
Investigating carbon nanotube - polymer blends for organic solar cell applications (2011) (0)
Semiconductor nanowires in terahertz photonics: From spectroscopy to ultrafast nanowire-based devices (2017) (0)
Photoconductive detection of arbitrary polarised terahertz pulses (2006) (0)
Band Tail States in FAPbI3: Characterization and Simulation (2017) (0)
III-V compound semiconductor nanowires for optoelectronic devices (2011) (0)
The Importance of Interface Morphology for Hysteresis-Free Perovskite Solar Cells (2017) (0)
Time-resolved THz spectroscopy of metal-halide perovskite single crystals and polycrystalline thin films (2019) (0)
Topological Dirac semi-metals as novel, optically-switchable, helicity-dependent terahertz sources (2022) (0)
A Dimethylammonium-Induced Intermediate Phase Approach Towards Stable Formamidinium-Caesium-based Perovskite Solar Cells (2021) (0)
Optical properties of /spl delta/-doped GaAs nipi super-lattices (1996) (0)
Fast electron trapping in anodized TiO2 nanotubes (2013) (0)
The Route to Nanoscale Terahertz Technology: Nanowire-based Terahertz Detectors and Terahertz Modulators (2018) (0)
Multiple energy proton implantation induced quantum well intermixing in GaAs/AlGaAs quantum-well infrared photodetectors (1999) (0)
Terahertz spectroscopy of graphene and other two-dimensional materials (2014) (0)
Simulation and optimization of arsenic-implanted THz emitters (2006) (0)
Measuring the electrical properties of semiconductor nanowires using terahertz conductivity spectroscopy (2013) (0)
Polarization sensitive terahertz time domain spectroscopy (2006) (0)
Enhancement of Ultrafast Conductivity in Surface-Passivated GaAs (2007) (0)
V-grooved GaAs/AlGaAs quantum wires with side wall quantum wells intermixed by pulsed anodization and rapid thermal annealing (1996) (0)
Tuning of quantum-well infrared photodetectors using ion beam induced quantum-well intermixing (1999) (0)
The Effects of Surfaces and Surface Passivation on the Electrical Properties of Nanowires and Other Nanostructures: Time-Resolved Terahertz Spectroscopy Studies (2022) (0)
Understanding Charge Dynamics in Perovskite Semiconductors using Non-contact THz Probes (2016) (0)
THz modulators and detectors based on semiconductor nanowires (2017) (0)
Engineering semiconductor nanowires for photodetection: from visible to terahertz (2018) (0)
Optoelectronic Properties of Tin-Based Hybrid Metal Halide Perovskite Thin Films for Photovoltaics (2019) (0)
Improved performance of GaAs-based terahertz emitters (2010) (0)
Terahertz Properties of Graphene (2012) (0)
Special issue on terahertz science and technology (2014) (0)
Title: A piperidinium salt stabilizes efficient metal-halide perovskite solar cells (2020) (0)
An Ultrafast Semiconducting Nanowire THz Polarization Modulator (2019) (0)
Growth and characterization of III–V compound semiconductor nanowires (2011) (0)
Semiconductor Nanowire THz Photonics (2022) (0)
Broadband Terahertz Emission From Ion-Implanted Semiconductors (2006) (0)
Nanowire Sensors Facilitate Polarization Sensitive Terahertz Spectroscopy (2022) (0)
Planar heterojunction perovskite solar cells via vapour deposition and solution processing (2014) (0)
Charge-carrier dynamics in hybrid metal halide perovskites (Conference Presentation) (2016) (0)
The Role of Photon Reabsorption in Masking Intrinsic Bimolecular Charge-Carrier Recombination in CH3NH3PbI3Perovskite. (2018) (0)
Supplementary Information for: Efficient Energy Transfer Mitigates Parasitic Light Absorption in Molecular Charge-Extraction Layers for Perovskite Solar Cells (2020) (0)
Unveiling the ultrafast optoelectronic properties of 3D Dirac semi-metal Cd3As2 (2020) (0)
Nanowires: a New Horizon for Polarization-resolved Terahertz Time-domain Spectroscopy (2021) (0)
1 Supporting Information for Charge-Carrier Dynamics in Vapour-Deposited Films of the Organolead Halide Perovskite CH 3 NH 3 PbI (2014) (0)
Nanowire-based devices for THz polarimetry (2020) (0)
Optimizing the Energy O ff set between Dye and Hole-Transporting Material in Solid-State Dye-Sensitized Solar Cells (2013) (0)
Introduction to the Special Issue on “Photoconductive Emission and Detection of Terahertz Radiation” (2012) (0)
OPTICAL PUMP TERAHERTZ PROBE SPECTROSCOPY Owing the the high suface-area-to-volume ratio of semiconductor nanowires, it is important to be able to quantify trapping of charge carriers at NW surfaces We have devloped (2016) (0)
Interdiffusion in GaAs-AlGaAs quantum wells using anodic and thermal oxides of GaAs (1998) (0)
Interdiffused quantum well infrared photodetector tuning for colour sensitive arrays (1999) (0)
Engineering III-V nanowires for optoelectronics: from epitaxy to terahertz photonics (2018) (0)
Infrared spectrum and normal-mode assignment in methyl-ammonium lead halide perovskite CH$_3$NH$_3$PbI$_3$ (2015) (0)
Terahertz Full-polarization-state Detection by Nanowires (2021) (0)
Charge-carrier dynamics in vapour-deposited fi lms of the organolead halide perovskite CH 3 NH 3 PbI (0)
Quantitative measurement of a three-component mixture based on THz spectra (2012) (0)
Nanowire-based sensors reveal the full polarisation state of THz photons (2023) (0)
Heterogeneous integration of semiconductor nanowires in 2D and 3D nanophotonic systems (2021) (0)
Polarisation-sensitive terahertz detectors (2005) (0)
Light Induced Recovery of Polymer Field Effect Transistors (2006) (0)
Reliable Atomic-Resolution Observations of the Nanoscopic Properties of Hybrid Perovskite Thin Films (2019) (0)
Optimisation of growth parameters for photonic crystal structures (2002) (0)
Compound Semiconductors for Terahertz Photonics (2007) (0)
Engineering III–V Nanowires for Optoelectronics: From Visible to Terahertz (2019) (0)
Modulation of terahertz polarization on picosecond timescales using polymer-encapsulated semiconductor nanowires (2017) (0)
Enhanced coherent THz emission from [100] GaAs in the presence of a magnetic field (2000) (0)
Charge-carrier dynamics in hybrid metal halide perovskites for photovoltaics and light emission (2017) (0)
Implantation-induced intermixing in GaAs/AlGaAs quantum well structures and its application to quantum well lasers (1999) (0)
Polarization-resolved Terahertz Time-domain Spectroscopy Enabled by Nanowire Sensor Technology (2022) (0)
THz Emitters and Detectors Based on Ion Implanted III-V Semiconductors (2006) (0)
Magnetic field enhanced terahertz emission from semiconductor surfaces (2001) (0)
Delft University of Technology Towards higher electron mobility in modulation doped GaAs/AlGaAs core shell nanowires (2017) (0)
Co-evaporated formamidinium lead iodide solar cells (2018) (0)
Conductivity of nanoporous InP membranes investigated using terahertz spectroscopy (2008) (0)
Bimolecular recombination in methylammonium lead triiodide perovskite is an inverse absorption process (2018) (0)
Polarisation-Sensitive THz Detectors (2006) (0)
Terahertz-frequency conductivity of charge stripes in the antiferromagnet La5/3Sr1/3NiO4 (2007) (0)

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What Schools Are Affiliated With Michael B. Johnston?

Michael B. Johnston is affiliated with the following schools:

University of Oxford