Step Edge Defects Have Nanoscale Impact on the Electronic Structure in Semiconducting Transition Metal Dichalcogenide Electrocatalysts

This work uses MoTe<sub>2</sub> single crystals to address the challenge in heterogeneous catalysis of identifying active sites and determining the electronic factors responsible for catalytic activity. We find that for semiconducting MoTe<sub>2</sub>, spots that fall along s...

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Bibliographic Details
Main Author:	Kenneth Ortiz Chua (20626321) (author)
Other Authors:	Megan N. Jackson (4413829) (author)
Published:	2025
Subjects:	Biophysics Biochemistry Evolutionary Biology Ecology Computational Biology transition metal dichalcogenides surrounding region rather stronger free energies sphere electron transfer 50 nm away local potential differences electronic factors responsible undercoordinated active sites identifying active sites existing active sites work uses mote evolution activity correlates 2 </ sub step edge defects active sites evolution activity active probe use defects step edges g </ electronic structure edge sites defect sites evolution catalysis catalytic activity local h substantially modulate single crystals semimetallic phase semiconductor electrocatalysts semiconducting phase semiconducting mote results indicate phase dependent nanoscale impact measurable difference higher conductance heterogeneous catalysis faster rates edge may better thought basal plane >< sub
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Step Edge Defects Have Nanoscale Impact on the Electronic Structure in Semiconducting Transition Metal Dichalcogenide Electrocatalysts

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