Grant Johnson

Understanding the Nucleation, Growth, and Immobilization of Metal Clusters Using First Principles Theoretical Calculations and Mass Spectrometry

Lead Institution

Virginia Commonwealth University

Principal Investigator

Jose Reveles Ramirez

Project type

Large-Scale EMSL Research

The properties of clusters vary substantially with the addition or removal of single atoms. This size-dependent behavior enables tuning of the activity and selectivity of cluster-based catalysts with…

Rational Design of Solid-Electrolyte Interfaces for Biofuel Production and Energy Storage

Lead Institution

Universitat Rovira i Virgili

Principal Investigator

Josep Poblet

Project type

Large-Scale EMSL Research

Structure-activity relationships determined from molecular-level investigation of mesoscale assemblies of well-defined clusters are critical to the rational development of improved devices for…

Investigating Interfacial Interactions in Multivalent Battery Technologies

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Vijayakumar Murugesan

The specific aim of this project is to probe the structure-property relationships of energy storage materials based on multivalent ions (Mg2+, Ca2+ and Al3+) under dynamic electrochemical cycling…

Activation and Dissociation of Large Molecules in Mass Spectrometry

Lead Institution

Purdue University

Principal Investigator

Julia Laskin

Project type

Large-Scale EMSL Research

This proposal is a continuation of research under EMSL User Proposal #6291. Mass spectrometry is unique among instrumental analysis techniques in terms of its extraordinary sensitivity, molecular…

Preparation of Novel Catalysts using Ion Soft-Landing

Lead Institution

National Dong Hwa University

Principal Investigator

Wen-Ping Peng

Project type

Large-Scale EMSL Research

Soft landing of low energy gas-phase ion beams onto suitable substrates is a powerful preparative technique with many potential applications. Various classes of compounds (e.g. proteins, metal…

Probing the Reactivity of Organic Particles Using Ion Soft-Landing

Lead Institution

University of California, Irvine

Principal Investigator

Sergey Nizkorodov

Project type

Large-Scale EMSL Research

Formation and atmospheric processing of particulate matter is one of the focus areas emphasized by EMSL. Organic coatings on atmospheric aerosols determine the surface chemistry that particles…

Chemically Functionalized Surfaces through Ion Soft Landing and their Utilization in Heterogeneous Reactions

Lead Institution

Purdue University

Principal Investigator

Robert Cooks

Project type

Large-Scale EMSL Research

Interaction of hyperthermal energy polyatomic ions with surfaces is an active area of research which falls within the purview of material science, mass spectrometry, imaging and spectroscopy, all…

Surface-Induced Dissociation of Large Molecules in Mass Spectrometry

Lead Institution

Purdue University

Principal Investigator

Julia Laskin

Project type

Large-Scale EMSL Research

The general objective of our research is to achieve a fundamental understanding of the reaction kinetics and dynamics of activating and dissociating complex molecular ions, develop molecular level…

Preparation of Novel Catalytic Materials Using Soft- and Reactive Landing of Ions

Lead Institution

National Dong Hwa University

Principal Investigator

Wen-Ping Peng

Project type

Large-Scale EMSL Research

The proposed work is focused on obtaining a molecular-level understanding of the structure-reactivity relationships of catalytically active small metal clusters and organometallic molecules deposited…

Designing Fuel Cell Catalysts at the Molecular Scale with Ion Soft Landing and Spray Ionization

Lead Institution

Purdue University

Principal Investigator

Robert Cooks

Project type

Large-Scale EMSL Research

Structure-reactivity relationships that are derived from molecular-level investigation of the properties of well-defined supported nanoparticles (NPs) are critical to the rational development of…

EMSL Science Overview

Grant Johnson

Projects

Understanding the Nucleation, Growth, and Immobilization of Metal Clusters Using First Principles Theoretical Calculations and Mass Spectrometry

Rational Design of Solid-Electrolyte Interfaces for Biofuel Production and Energy Storage

Investigating Interfacial Interactions in Multivalent Battery Technologies

Activation and Dissociation of Large Molecules in Mass Spectrometry

Preparation of Novel Catalysts using Ion Soft-Landing

Probing the Reactivity of Organic Particles Using Ion Soft-Landing

Chemically Functionalized Surfaces through Ion Soft Landing and their Utilization in Heterogeneous Reactions

Surface-Induced Dissociation of Large Molecules in Mass Spectrometry

Preparation of Novel Catalytic Materials Using Soft- and Reactive Landing of Ions

Designing Fuel Cell Catalysts at the Molecular Scale with Ion Soft Landing and Spray Ionization