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Randy J. Ellingson

Randy J. Ellingson

D-Index & Metrics

Materials Science

D-Index
59
Citations
20244
World Ranking
7235
National Ranking
1793

Overview

Randy J. Ellingson is affiliated with the University of Toledo in the United States and has contributed extensively to research in engineering and materials science. Their work primarily intersects electrical and electronic engineering with materials chemistry, focusing on applications within photovoltaics and semiconductor materials.

The scientist's most recent research includes publications on perovskite solar cells and related materials. Notable papers include:

  • Rational design of Lewis base molecules for stable and efficient inverted perovskite solar cells, 2023, Science
  • Low-bandgap mixed tin-lead iodide perovskites with reduced methylammonium for simultaneous enhancement of solar cell efficiency and stability, 2020, Nature Energy
  • Arylammonium-Assisted Reduction of the Open-Circuit Voltage Deficit in Wide-Bandgap Perovskite Solar Cells: The Role of Suppressed Ion Migration, 2020, ACS Energy Letters
  • Influence of Charge Transport Layers on Capacitance Measured in Halide Perovskite Solar Cells, 2020, Joule
  • Incorporating Potassium Citrate to Improve the Performance of Tin-Lead Perovskite Solar Cells, 2023, Advanced Energy Materials

Ellingson's research topics cover a range of areas closely related to solar energy materials and device optimization. The main topics include:

  • Chalcogenide Semiconductor Thin Films
  • Quantum Dots Synthesis And Properties
  • Perovskite Materials and Applications
  • Solar cell performance optimization
  • Copper-based nanomaterials and applications
  • Conducting polymers and applications
  • Silicon and Solar Cell Technologies

Frequent collaborators in Ellingson's work indicate active engagement with researchers across related fields. These coauthors include Michael J. Heben, Yanfa Yan, Adam B. Phillips, Zhaoning Song, and Ebin Bastola.

Publications have appeared consistently in multiple specialized venues with repeated contributions to:

  • 2022 IEEE 49th Photovoltaics Specialists Conference (PVSC)
  • Solar RRL
  • ACS Applied Materials & Interfaces
  • Solar Energy Materials and Solar Cells
  • ACS Applied Energy Materials

Ellingson's body of work is situated within the broad fields of engineering and materials science, emphasizing subfields such as electrical and electronic engineering, materials chemistry, polymers and plastics, atomic and molecular physics, and biomedical engineering. This multidisciplinary approach supports advances in energy materials, notably in thin-film semiconductors and perovskite-based photovoltaic technologies.

Best Publications

  • Highly Efficient Multiple Exciton Generation in Colloidal PbSe and PbS Quantum Dots

    Randy J. Ellingson;Matthew C. Beard;Justin C. Johnson;Pingrong Yu

  • Semiconductor quantum dots and quantum dot arrays and applications of multiple exciton generation to third-generation photovoltaic solar cells.

    Arthur J. Nozik;Matthew C. Beard;Joseph M. Luther;Matt Law

  • Schottky Solar Cells Based on Colloidal Nanocrystal Films

    Joseph M. Luther;Matt Law;Matthew C. Beard;Qing Song

  • Multiple Exciton Generation in Colloidal Silicon Nanocrystals

    Matthew C. Beard;Kelly P. Knutsen;Pingrong Yu;Joseph M. Luther

  • PbTe Colloidal Nanocrystals: Synthesis, Characterization, and Multiple Exciton Generation

    James E Murphy;Matthew C Beard;Andrew G Norman;S Phillip Ahrenkiel

  • Low-bandgap mixed tin-lead iodide perovskite absorbers with long carrier lifetimes for all-perovskite tandem solar cells

    Dewei Zhao;Yue Yu;Changlei Wang;Changlei Wang;Weiqiang Liao;Weiqiang Liao

  • Rational design of Lewis base molecules for stable and efficient inverted perovskite solar cells

    Unknown

  • Femtosecond IR Study of Excited-State Relaxation and Electron-Injection Dynamics of Ru(dcbpy)2(NCS)2 in Solution and on Nanocrystalline TiO2 and Al2O3 Thin Films

    John B. Asbury;Randy J. Ellingson;Hirendra N. Ghosh;Suzanne Ferrere

  • Energy payback time (EPBT) and energy return on energy invested (EROI) of solar photovoltaic systems: A systematic review and meta-analysis

    Khagendra P. Bhandari;Jennifer M. Collier;Randy J. Ellingson;Defne S. Apul

  • Photoenhancement of Luminescence in Colloidal CdSe Quantum Dot Solutions

    Marcus Jones;Jovan Nedeljkovic;Randy J. Ellingson;and Arthur J. Nozik

  • Fabrication of Efficient Low-Bandgap Perovskite Solar Cells by Combining Formamidinium Tin Iodide with Methylammonium Lead Iodide.

    Weiqiang Liao;Dewei Zhao;Yue Yu;Niraj Shrestha

  • Dynamics of Electron Injection in Nanocrystalline Titanium Dioxide Films Sensitized with (Ru(4,4'-dicarboxy-2,2'-bipyridine)2(NCS)2) by Infrared Transient Absorption

    Randy J. Ellingson;John B. Asbury;Sue Ferrere;Hirendra N. Ghosh

  • Reducing Saturation-Current Density to Realize High-Efficiency Low-Bandgap Mixed Tin–Lead Halide Perovskite Solar Cells

    Chongwen Li;Zhaoning Song;Dewei Zhao;Chuanxiao Xiao

  • Quantum Dot Size Dependent J-V Characteristics in Heterojunction ZnO/PbS Quantum Dot Solar Cells

    Jianbo Gao;Joseph M. Luther;Octavi Escala Semonin;Octavi Escala Semonin;Randy J. Ellingson

  • n-Type transition metal oxide as a hole extraction layer in PbS quantum dot solar cells.

    Jianbo Gao;Jianbo Gao;Craig L. Perkins;Joseph M. Luther;Mark C. Hanna

  • Multiple Exciton Generation in Films of Electronically Coupled PbSe Quantum Dots

    Joseph M. Luther;Matthew C. Beard;Qing Song;Matt Law

  • Impact of Processing Temperature and Composition on the Formation of Methylammonium Lead Iodide Perovskites

    Zhaoning Song;Suneth C. Watthage;Adam B. Phillips;Brandon L. Tompkins

  • Variations in the Quantum Efficiency of Multiple Exciton Generation for a Series of Chemically Treated PbSe Nanocrystal Films

    Matthew C. Beard;Aaron G. Midgett;Matt Law;Octavi E. Semonin

  • Low-temperature plasma-enhanced atomic layer deposition of tin oxide electron selective layers for highly efficient planar perovskite solar cells

    Changlei Wang;Changlei Wang;Dewei Zhao;Corey R. Grice;Weiqiang Liao

  • Recombination lifetime of In0.53Ga0.47As as a function of doping density

    R. K. Ahrenkiel;R. Ellingson;S. Johnston;M. Wanlass

  • Synergistic Effects of Lead Thiocyanate Additive and Solvent Annealing on the Performance of Wide-Bandgap Perovskite Solar Cells

    Yue Yu;Changlei Wang;Corey R. Grice;Niraj Shrestha

Frequent Co-Authors

Michael J. Heben
Michael J. Heben University of Toledo
Yanfa Yan
Yanfa Yan University of Toledo
Zhaoning Song
Zhaoning Song University of Toledo
Arthur J. Nozik
Arthur J. Nozik University of Colorado Boulder
Changlei Wang
Changlei Wang Soochow University
Matthew C. Beard
Matthew C. Beard National Renewable Energy Laboratory
Dewei Zhao
Dewei Zhao Sichuan University
Garry Rumbles
Garry Rumbles National Renewable Energy Laboratory
Robert W. Collins
Robert W. Collins University of Toledo
Joseph M. Luther
Joseph M. Luther National Renewable Energy Laboratory

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