The Center for Integrated Mesoscale Architectures for Sustainable Catalysis (IMASC) is an Energy Frontier Research Center, headquartered at Harvard University. The vision of IMASC is to advance the fundamental science necessary to change the face and carbon footprint of the chemical industries sector.  Read more.


  • Multiscale approach to catalysis

    Multiscale approach to catalysis

    Employing a multiscale approach to understand, design and optimize mesoscale catalyst architectures and processes.

  • Understanding reaction mechanisms

    Methyl acrylates by oxygen-assisted coupling of alcohols over gold

    Reaction mechanisms for selective oxidative coupling of alcohols over Au to form methyl esters (ACS Catalysis, 2016, 6(3), 1833)

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    O diffusion on an AgAu(111) surface

    Atomic level understanding of surface processes using quantum chemical simulations

  • Influence of van der Waals (vdW) Interactions on catalysis
  • Surface Chemistry of Ni-Au Single Atom Alloy Catalysts

    Understanding the adsorption properties of Ni-Au Single Atom Alloy Catalysts (J. Phys. Chem. C, 2016, 120 (25), 13574)

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    Dynamic Restructuring Drives Catalytic Activity on Nanoporous Gold-Silver Alloy Catalysts

    In situ characterization of the dynamic restructuring during the catalytic activity enables catalyst design (Nat. Mater., 2016)

  • modular design of mesoscale catalysts
  • Oxygen adsorption on spontaneously reconstructed Au(511)
  • Graphic of a catalyist performing catalysis over a vast range of pressures
  • Nueral network analyzing EXAFS data to determine nearest-neighbor structure.

Aizenberg Elected to National Academy of Engineering

Joanna Aizenberg7 February, 2019. IMASC Senior Investigator Joanna Aizenberg has been elected to the National Academy of Engineering (NAE) for her contributions to the understanding of biological systems and bioinspired materials design. Election to the NAE is among the highest professional distinctions accorded to an engineer, honoring those who have made outstanding contributions to engineering research, practice or education, as explained in the NAE announcement. An example of bioinspired design presently under investigation at IMASC because of its unique catalytic properties is the raspberry colloid-templated material, developed by Aizenberg and her team (including IMASC member Tanya Shirman and IMASC alumnus Elijah Shirman). Joanna Aizenberg is the Amy Smith Berylson Professor of Materials Science at the John A. Paulson School of Engineering and Applied Sciences, as well as a Professor of Chemistry and Chemical Biology.

Flytzani-Stephanopoulos and Sykes Awarded 2019 ACS Catalysis Lectureship.

Flytzani-StephanopoulosCharlie Sykes7 February, 2019.  IMASC Senior Investigators Maria Flytzani-Stephanopoulos and Charlie Sykes have been awarded the ACS Lectureship for the Advancement of Catalytic Science. The award is given annually to recognize significant contributions by an individual or team to the understanding or practice of catalysis, as explained in the ACS announcement. According to the announcement, “This collaboration between a surface scientist and a chemical engineer…demonstrates how new discoveries emerge from the combination of complimentary sets of expertise,” a collaborative goal shared by our EFRC.  The ACS award focuses on their achievements over the last 7 years, specifically highlighting a recent paper (partially-supported by IMASC and written in collaboration with IMASC member Michail Stamatakis) that demonstrates the effectiveness of single-atom alloys for C-H activation with tolerance to coking. Flytzani-Stephanopoulos is the Robert and Marcy Haber Endowed Professor in Energy Sustainability at Tufts University, and Sykes is Professor of Chemistry, Department of Chemistry at Tufts University.

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