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Materials Science

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Overview

Grant Walters is a researcher affiliated with the University of Toronto in Canada. Their primary research contributions lie in the fields of engineering and materials science, with particular focus on electrical and electronic engineering as well as materials chemistry. The scope of their work further extends into atomic and molecular physics, optics, electronic, optical and magnetic materials, and renewable energy sustainability.

The research of Grant Walters concentrates predominantly on perovskite materials and applications, quantum dots synthesis and properties, and chalcogenide semiconductor thin films. Additional areas of interest include solid-state spectroscopy and crystallography, advanced photocatalysis techniques, conducting polymers and their applications, and gas sensing nanomaterials and sensors.

The scientist has published multiple papers in notable outlets. Among the recent publications are:

  • "Cascade surface modification of colloidal quantum dot inks enables efficient bulk homojunction photovoltaics" (2020), published in Nature Communications
  • "Edge stabilization in reduced-dimensional perovskites" (2020), published in Nature Communications
  • "Combining Efficiency and Stability in Mixed Tin-Lead Perovskite Solar Cells by Capping Grains with an Ultrathin 2D Layer" (2020), published in Advanced Materials
  • "Multi-cation perovskites prevent carrier reflection from grain surfaces" (2020), published in Nature Materials
  • "Optimizing Solid-State Ligand Exchange for Colloidal Quantum Dot Optoelectronics: How Much Is Enough?" (2020), published in ACS Applied Energy Materials

Grant Walters has collaborated frequently with a number of researchers, including Edward H. Sargent, Makhsud I. Saidaminov, Andrew H. Proppe, Oleksandr Voznyy, and Shana O. Kelley.

Key venues where their work appears include:

  • Nature Communications
  • The Journal of Physical Chemistry Letters
  • Advanced Materials
  • Nature Materials
  • Advanced Science

Best Publications

  • Perovskite energy funnels for efficient light-emitting diodes

    Mingjian Yuan;Li Na Quan;Li Na Quan;Riccardo Comin;Grant Walters

  • Hybrid organic–inorganic inks flatten the energy landscape in colloidal quantum dot solids

    Mengxia Liu;Oleksandr Voznyy;Randy Sabatini;F. Pelayo García de Arquer

  • Electron-phonon interaction in efficient perovskite blue emitters

    Xiwen Gong;Oleksandr Voznyy;Ankit Jain;Wenjia Liu

  • Quantum-dot-in-perovskite solids

    Zhijun Ning;Xiwen Gong;Riccardo Comin;Oleksandr Voznyy

  • Efficient Luminescence from Perovskite Quantum Dot Solids

    Younghoon Kim;Emre Yassitepe;Emre Yassitepe;Oleksandr Voznyy;Riccardo Comin

  • Spin control in reduced-dimensional chiral perovskites

    Guankui Long;Guankui Long;Chongyun Jiang;Randy Sabatini;Zhenyu Yang

  • Tailoring the Energy Landscape in Quasi-2D Halide Perovskites Enables Efficient Green-Light Emission

    Li Na Quan;Li Na Quan;Yongbiao Zhao;F. Pelayo Garcia de Arquer;Randy P. Sabatini

  • Highly efficient quantum dot near-infrared light-emitting diodes

    Xiwen Gong;Zhenyu Yang;Grant Walters;Riccardo Comin

  • Amine‐Free Synthesis of Cesium Lead Halide Perovskite Quantum Dots for Efficient Light‐Emitting Diodes

    Emre Yassitepe;Emre Yassitepe;Zhenyu Yang;Oleksandr Voznyy;Younghoon Kim

  • 10.6% Certified Colloidal Quantum Dot Solar Cells via Solvent-Polarity-Engineered Halide Passivation.

    Xinzheng Lan;Oleksandr Voznyy;F. Pelayo García de Arquer;Mengxia Liu

  • Passivation Using Molecular Halides Increases Quantum Dot Solar Cell Performance

    Xinzheng Lan;Oleksandr Voznyy;Amirreza Kiani;F. Pelayo García de Arquer

  • Highly Emissive Green Perovskite Nanocrystals in a Solid State Crystalline Matrix

    Li Na Quan;Rafael Quintero-Bermudez;Oleksandr Voznyy;Grant Walters

  • 2D matrix engineering for homogeneous quantum dot coupling in photovoltaic solids.

    Jixian Xu;Oleksandr Voznyy;Mengxia Liu;Ahmad R. Kirmani

  • Two-Photon Absorption in Organometallic Bromide Perovskites

    Grant Walters;Brandon R. Sutherland;Sjoerd Hoogland;Dong Shi

  • Dipolar cations confer defect tolerance in wide-bandgap metal halide perovskites

    Hairen Tan;Fanglin Che;Mingyang Wei;Yicheng Zhao

  • Lattice anchoring stabilizes solution-processed semiconductors

    Mengxia Liu;Yuelang Chen;Chih Shan Tan;Rafael Quintero-Bermudez

  • Fast and Sensitive Solution-Processed Visible-Blind Perovskite UV Photodetectors.

    Valerio Adinolfi;Olivier Ouellette;Makhsud I. Saidaminov;Grant Walters

  • Cascade surface modification of colloidal quantum dot inks enables efficient bulk homojunction photovoltaics.

    Min-Jae Choi;F. Pelayo García de Arquer;Andrew H. Proppe;Ali Seifitokaldani

  • Structural, optical, and electronic studies of wide-bandgap lead halide perovskites

    Riccardo Comin;Grant Walters;Emmanuel Sol Thibau;Oleksandr Voznyy

  • Edge stabilization in reduced-dimensional perovskites.

    Li Na Quan;Dongxin Ma;Yongbiao Zhao;Oleksandr Voznyy

Frequent Co-Authors

Edward H. Sargent
Edward H. Sargent Northwestern University
Oleksandr Voznyy
Oleksandr Voznyy University of Toronto
Sjoerd Hoogland
Sjoerd Hoogland University of Toronto
F. Pelayo García de Arquer
F. Pelayo García de Arquer ICFO – The Institute of Photonic Sciences
Shana O. Kelley
Shana O. Kelley Northwestern University
Makhsud I. Saidaminov
Makhsud I. Saidaminov University of Victoria
Aram Amassian
Aram Amassian North Carolina State University
Hairen Tan
Hairen Tan Nanjing University
Osman M. Bakr
Osman M. Bakr King Abdullah University of Science and Technology
Min Liu
Min Liu Central South University

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