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Welcome to Luo Lab

Materials, Physical Chemistry, In situ Electron Microscopy

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What  We  Do

  • We customize in-situ or operando techniques to decipher specific physical and chemical processes.

  • We understand underlying mechanisms of materials and processes through advanced characterization methods.

  • We bridge the gap between various materials applications and physics/chemistry through mechanistic studies at atomic/molecular level.

Research Scope

microscopy

Aberration corrected and    in-situ/operando microscopy

Battery

Elucidating reactions and degradation mechanisms in battery 

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catalysis

Structural and chemical dynamics of catalytic process

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crystal GROWTh

Materials growth mechanisms in ambient or liquid environment

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Selected Publication

Please click journal name for full text

Revealing synergetic structural activation of a CuAu surface during water–gas shift reaction, PNAS, 
2022, 119, e2120088119.

Atomic Defect Mediated Li-Ion Diffusion in a Lithium Lanthanum Titanate Solid-State Electrolyte, ACS Nano, 
2022, 16, 6898−6905.

Structural origin of low Li-ion conductivity in perovskite solid-state electrolyte, Nano Energy, 2022, 92, 106758.

Gas adsorbate-induced Au atomic segregation and clustering from Cu(Au), Sci. China Mater., 2021, 64, 1256-1266.

Atomic-Scale Dynamic Interaction of H2O Molecules with Cu Surface, Phys. Rev. Lett., 2020, 125, 1561

Deciphering atomistic mechanisms of the gas-solid interfacial reaction during alloy oxidation, 

Science Advances, 2020, 6, eaay8491 

Dynamic atom clusters on AuCu nanoparticle surface during CO oxidation, 

JACS, 2020, 142, 4022-4027 

Real Time Atomic-scale Visualization of Reversible Copper Surface Activation during the CO Oxidation Reaction,

Angew. Chem. Int. Ed., 2020, 132, 2526-2530

Direct visualization of atomistic processes of Cu2O crystal growth through gas-solid reaction,

Nano Energy, 2020, 70, 104527

Size-dependent dynamic structures of supported gold nanoparticles in CO oxidation reaction condition, 

PNAS, 2018, 115, 7700

​Atomic origins of water-vapour-promoted alloy oxidation,

Nature Materials, 2018, 17, 514

Revealing the reaction mechanisms for Li-O2 battery using environmental transmission electron microscopy, 

Nature Nanotechnology, 2017, 12, 535

Revealing the dynamics of platinum nanoparticle catalyst on carbon in oxygen and water using environmental TEM, ACS Catalysis, 2017, 7, 7658

Size-Controlled Intercalation-to-Conversion Transition in Lithiation of Transition-Metal Chalcogenides - NbSe3,

ACS Nano, 2016, 10, 1249

Surface-coating Regulated Lithiation Kinetics and Degradation in Silicon Nanowires for Lithium Ion Battery,

ACS Nano, 2015, 9, 5559

Surface Coating Constraint Induced Self-Discharging of Silicon Nanoparticles as Anodes for Lithium Ion Batteries, Nano Letters, 2015, 15, 7016

Atomic resolution study of reversible conversion reaction in metal oxide electrodes for lithium-ion battery, ACS Nano, 2014, 8, 11560

Surface-step-induced oscillatory oxide growth,

Physical Review Letters, 2014, 113, 136104

Step-edge induced oxide growth during the oxidation of Cu surfaces,

Physical Review Letters, 2012, 109, 235502

Dependence of the degree of orientation of copper oxide nuclei on the oxygen pressure during the initial stages of copper oxidation,

Physical Review B, 2011, 83, 155418

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