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Courses
  • TPKMP
    Transport Phenomena and Kinetics in Materials Processing

  • SSC
    Solid State Chemistry

  • OEMD
    Organic Electronic Materials and Devices

Grants
  • Funding agency logo
    Center for Soft PhotoElectroChemical Systems (SPECS)

    Principal Investigator (PI)

    2022

    $1.8M
    Active
  • Funding agency logo
    Advance Perovskite Solar Cell Development and Stability Using In-Line Electrochemical Methodologies

    Principal Investigator (PI)

    2022

    $300.0K
    Active
  • Funding agency logo
    RAPID Printing of Highly Efficient and Stable Perovskite Films for Solar Cell Applications

    Co-Investigator (COI)

    2021

    $700.0K
    Active
  • Funding agency logo
    Multi-Dimensional Imaging System for in operando Characterization of Printable Photovoltaic Materials

    Principal Investigator (PI)

    2021

    $246.9K
    Active
  • Funding agency logo
    Understanding and Enhancing Stability of Perovskite/Contact Interfaces Across Length Scales

    Principal Investigator (PI)

    2020

    $861.0K
    Active
  • Funding agency logo
    Degradation of Organic Semiconductors: Functional and Mechanistic Descriptions from Macroscale to Nanoscale

    Co-Investigator (COI)

    2020

    $670.2K
    Active
  • Funding agency logo
    Photoelectron Spectroscopy of Perovskites and Interlayers

    Principal Investigator (PI)

    2020

    $49.6K
    Active
  • Funding agency logo
    Molecular Regulation of Charge Transfer at Organic Semiconductor Electrodes

    Principal Investigator (PI)

    2019

    $489.0K
    Active
Technologies / Patents
      News
      • EMPOWER STEM Program Creates Student Pathways to Jobs in National Labs

        2021

      • Scientists Study Sweat, the Small Stuff

        2020

      • Organic Semiconductor Research Could Boost Electronics

        2016

      • Project Sage Special Report: Bringing Solar Power to the Masses

        2009

      Publications (72)
      Recent
      • ColorLab: Visualizing Color from Absorbance Spectra

        2022

      • New Perylene Diimide Ink for Interlayer Formation in Air-Processed Conventional Organic Photovoltaic Devices

        2022

      • Metastable Dion-Jacobson 2D structure enables efficient and stable perovskite solar cells

        2022

      • How Low Can You Go? Defect Quantification at the 10 sup 15 /sup cm sup ndash;3 /sup Level in Mixed-Cation Perovskites Using Differential Pulse Voltammetry

        2022

      • Rationalizing energy level alignment by characterizing Lewis acid/base and ionic interactions at printable semiconductor/ionic liquid interfaces

        2022

      • Watching Polarons Move in the Energy and Frequency Domains Using Color Impedance Spectroscopy

        2022

      • Women Scientists at the Forefront of Energy Research: A Virtual Issue, Part 4

        2022

      • Defect quantification in metal halide perovskites: the solid-state electrochemical alternative

        2021

      • Enhanced Infrared Photodiodes Based on PbS/PbClx Core/Shell Nanocrystals

        2021

      • High-performance methylammonium-free ideal-band-gap perovskite solar cells

        2021

      • Tuning Organic Electrochemical Transistor (OECT) Transconductance toward Zero Gate Voltage in the Faradaic Mode

        2021

      • A Multi-modal Approach to Understanding Degradation of Organic Photovoltaic Materials

        2021

      • Zinc Oxide-Perylene Diimide Hybrid Electron Transport Layers for Air-Processed Inverted Organic Photovoltaic Devices

        2021

      • Organic Electrochemical Transistors as Wearable, Human-Biochemistry Monitoring Technologies

        2021

      • Slot-Die-Coated Ternary Organic Photovoltaics for Indoor Light Recycling

        2020

      • Thermally Induced Formation of HF4TCNQ-in F4TCNQ-Doped Regioregular P3HT

        2020

      • Overcoming Redox Reactions at Perovskite-Nickel Oxide Interfaces to Boost Voltages in Perovskite Solar Cells

        2020

      • Surface-Activated Corrosion in Tin-Lead Halide Perovskite Solar Cells

        2020

      • Impact of Self-Assembled Monolayer Design and Electrochemical Factors on Impedance-Based Biosensing

        2020

      • Ion diffusion coefficients in poly(3-alkylthiophenes) for energy conversion and biosensing: Role of side-chain length and microstructure

        2020

      • Printable transistors for wearable sweat sensing

        2019

      • Stability of Charge Transfer States in F inf 4 /inf TCNQ-Doped P3HT

        2019

      • Stability of push-pull small molecule donors for organic photovoltaics: spectroscopic degradation of acceptor endcaps on benzo[1,2-b:4,5-b ']dithiophene cores

        2019

      • Microstructure-dependent electrochemical properties of chemical-vapor deposited poly(3,4-ethylenedioxythiophene) (PEDOT) films

        2019

      • Intersystem Subpopulation Charge Transfer and Conformational Relaxation Preceding in Situ Conductivity in Electrochemically Doped Poly(3-hexylthiophene) Electrodes

        2019

      • Approaching Single Molecule Sensing: Predictive Sweat Sensor Design for Ultra-Low Limits of Detection

        2019

      • Nanoscale Visualization and Multiscale Electrochemical Analysis of Conductive Polymer Electrodes

        2019

      • High-Throughput Experimental Study of Wurtzite Mn1-xZnxO Alloys for Water Splitting Applications

        2019

      • Predicting limits of detection in real-time sweat-based human performance monitoring

        2019

      • Stability of Charge Transfer States in F4TCNQ-doped P3HT

        2019

      • Correlation of Coexistent Charge Transfer States in F(4)TCNQ-Doped P3HT with Microstructure

        2018

      • Controlling the Kinetics of Charge Transfer at Conductive Polymer/Liquid Interfaces through Microstructure

        2018

      • Energy Level Alignment of Molybdenum Oxide on Colloidal Lead Sulfide (PbS) Thin Films for Optoelectronic Devices

        2018

      • Normal and inverted regimes of charge transfer controlled by density of states at polymer electrodes

        2017

      • Organic semiconductor interfaces in optoelectronic devices: Undesirable chemistry galore!

        2017

      • Critical Interface States Controlling Rectification of Ultrathin NiO- ZnO p-n Heterojunctions

        2017

      • Metal Oxide Heterointerfaces in Hybrid Electronic Platforms

        2016

      • Introduction: Electronic Materials

        2016

      • Quantifying the Extent of Contact Doping at the Interface between High Work Function Electrical Contacts and Poly(3-hexylthiophene) (P3HT)

        2015

      • Integrating theory, synthesis, spectroscopy and device efficiency to design and characterize donor materials for organic photovoltaics: a case study including 12 donors

        2015

      • Contact-Induced Mechanisms in Organic Photovoltaics: A Steady-State and Transient Study

        2015

      • Influence of Molecular Orientation on Charge-Transfer Processes at Phthalocyanine/Metal Oxide Interfaces and Relationship to Organic Photovoltaic Performance

        2015

      • Influence of Backbone Fluorination in Regioregular Poly(3-alkyl-4-fluoro)thiophenes

        2015

      • Nickel oxide interlayer films from nickel formate-ethylenediamine precursor: influence of annealing on thin film properties and photovoltaic device performance

        2015

      • Modification of the Gallium-Doped Zinc Oxide Surface with Self-Assembled Monolayers of Phosphonic Acids: A Joint Theoretical and Experimental Study

        2014

      • Semi-random vs Well-Defined Alternating Donor-Acceptor Copolymers

        2014

      • Systematic electrochemical oxidative doping of P3HT to probe interfacial charge transfer across polymer-fullerene interfaces

        2014

      • Chemically Controlled Reversible and Irreversible Extraction Barriers Via Stable Interface Modification of Zinc Oxide Electron Collection Layer in Polycarbazole-based Organic Solar Cells

        2014

      • Deciphering the Metal-C-60 Interface in Optoelectronic Devices: Evidence for C-60 Reduction by Vapor Deposited Al

        2013

      • Energy Level Alignment and Morphology of Ag and Au Nanoparticle Recombination Contacts in Tandem Planar Heterojunction Solar Cells

        2013

      • Formation of interfacial traps upon surface protonation in small molecule solution processed bulk heterojunctions probed by photoelectron spectroscopy

        2013

      • Investigating the Influence of Interfacial Contact Properties on Open Circuit Voltages in Organic Photovoltaic Performance: Work Function Versus Selectivity

        2013

      • Orientation of Phenylphosphonic Acid Self-Assembled Monolayers on a Transparent Conductive Oxide: A Combined NEXAFS, PM-IRRAS, and DFT Study

        2013

      • Highly-Tunable Nickel Cobalt Oxide as a Low-Temperature P-Type Contact in Organic Photovoltaic Devices

        2013

      • Sputtered nickel oxide thin film for efficient hole transport layer in polymer-fullerene bulk-heterojunction organic solar cell

        2012

      • Energy level alignment in PCDTBT:PC70BM solar cells: Solution processed NiOx for improved hole collection and efficiency

        2012

      • Built-In Potential in Conjugated Polymer Diodes with Changing Anode Work Function: Interfacial States and Deviation from the Schottky-Mott Limit

        2012

      • Surface composition, work function, and electrochemical characteristics of gallium-doped zinc oxide

        2012

      • Electron Transfer Processes in Zinc Phthalocyanine-Phosphonic Acid Monolayers on ITO: Characterization of Orientation and Charge Transfer Kinetics By Waveguide Spectroelectrochemistry

        2012

      • Understanding Energy Level Alignment in PCDTBT:PC70BM Solar Cells

        2012

      • Improvement of Interfacial Contacts for New Small-Molecule Bulk-Heterojunction Organic Photovoltaics

        2012

      • Selective Inter layers and Contacts in Organic Photovoltaic Cells

        2011

      • Enhanced Efficiency in Plastic Solar Cells via Energy Matched Solution Processed NiOx Interlayers

        2011

      • Phosphonic Acid Functionalized Asymmetric Phthalocyanines: Synthesis, Modification of Indium Tin Oxide, and Charge Transfer

        2011

      • Evidence for near-Surface NiOOH Species in Solution-Processed NiOx Selective Interlayer Materials: Impact on Energetics and the Performance of Polymer Bulk Heterojunction Photovoltaics

        2011

      • Work function control of hole-selective polymer/ITO anode contacts: an electrochemical doping study

        2010

      • A Planar, Chip-Based, Dual-Beam Refractometer Using an Integrated Organic Light-Emitting Diode (OLED) Light Source and Organic Photovoltaic (OPV) Detectors

        2010

      • Ferrocene Functional Polymer Brushes on Indium Tin Oxide via Surface-Initiated Atom Transfer Radical Polymerization

        2010

      • Colloidal Polymerization of Polymer Coated Ferromagnetic Nanoparticles into Cobalt Oxide Nanowires

        2009

      • Electrodeposited, "textured" poly(3-hexyl-thiophene) (e-P3HT) films for photovoltaic applications

        2008

      • Photovoltaic devices created from electrodeposited, "nano-textured" poly(thiophene) films

        2008

      • Directed Electrodeposition of polymer films using spatially controllable electric field gradients

        2007

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