Výsledky vyhledávání - "Bradley W. Ewers"

Thermally Activated Formation of Reactive Lattice Oxygen in Titania on Nanoporous Gold

Autor: Andrew S. Crampton, Bradley W. Ewers, Monika M. Biener, Cynthia M. Friend

Publikováno v: The Journal of Physical Chemistry C. 121:21405-21410

Nanoporous gold modified by atomic layer deposition of titania was employed as a model, inverse supported precious metal catalyst to explore the oxidative reactivity of Au/TiO2 catalysts. The catalyst material is active for oxidation of CO using O fr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a78ff01beedc4bc252b81b00b0e990a0
https://doi.org/10.1021/acs.jpcc.7b06316

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Utilizing Nearest-Neighbor Interactions To Alter Charge Transport Mechanisms in Molecular Assemblies of Porphyrins on Surfaces

Autor: James D. Batteas, James G. Kushmerick, Charles Michael Drain, Bradley W. Ewers, Lisa M. Pérez, João P. C. Tomé, Amanda E. Schuckman, Lam H. Yu

Publikováno v: The Journal of Physical Chemistry C. 119:13569-13579

When tunneling is the dominant mechanism of charge transport in a molecular junction, the conductivity of the junction is largely insensitive to chemical and structural perturbations which do not impact the overall length of the junction. This severe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::70937592d4be118fa82d36a6e5c2eb94
https://doi.org/10.1021/acs.jpcc.5b01223

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Utilizing Atomistic Simulations To Map Pressure Distributions and Contact Areas in Molecular Adlayers within Nanoscale Surface-Asperity Junctions: A Demonstration with Octadecylsilane-Functionalized Silica Interfaces

Autor: James D. Batteas, Bradley W. Ewers

Publikováno v: Langmuir. 30:11897-11905

To achieve a better understanding of the mechanical effects of adsorbed films at surface contacts, methods were developed to map and examine the pressure distribution of nanoasperity contacts, modeled by molecular dynamics simulation. The methods emp

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::91fa02c6cb126f4a0469c9f53ae211e3
https://doi.org/10.1021/la500032f

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Why Did the Electron Cross the Road? A Scanning Tunneling Microscopy (STM) Study of Molecular Conductance for the Physical Chemistry Lab

Autor: Bradley W. Ewers, James D. Batteas, Amanda E. Schuckman

Publikováno v: Journal of Chemical Education. 91:283-290

A series of experiments employing scanning tunneling microscopy (STM) have been developed for the physical chemistry laboratory. These experiments are designed to engage students in cutting edge research techniques while introducing and reinforcing t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::854fc89a2311ad83a237a522659c3b8e
https://doi.org/10.1021/ed400418h

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The role of substrate interactions in the modification of surface forces by self-assembled monolayers

Autor: James D. Batteas, Bradley W. Ewers

Publikováno v: RSC Adv.. 4:16803-16812

Self-assembled monolayers have been used extensively as surface modifications and model systems for friction and adhesion mitigation on surfaces. From experiment, it is unclear to what extent and under what conditions the substrate plays a role in th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c4b11d595d6c316d9fd862f5c05bba68
https://doi.org/10.1039/c4ra01427h

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Molecular Dynamics Simulations of Alkylsilane Monolayers on Silica Nanoasperities: Impact of Surface Curvature on Monolayer Structure and Pathways for Energy Dissipation in Tribological Contacts

Autor: James D. Batteas, Bradley W. Ewers

Publikováno v: The Journal of Physical Chemistry C. 116:25165-25177

Self-assembled monolayers (SAMs) of alkylsilanes have been considered as wear reducing layers in tribological applications, particularly to reduce stiction and wear in microelectromechanical system...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::92ea653f3deeb2b2cb59d3a5a9c12f86
https://doi.org/10.1021/jp303097v

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Studies of the structure and phase transitions of nano-confined pentanedithiol and its application in directing hierarchical molecular assemblies on Au(1 1 1)

Autor: Matthew J. Jurow, Charles Michael Drain, Erin Avery, Ayelet Vilan, Bradley W. Ewers, Alison A. Pawlicki, James D. Batteas

Publikováno v: Journal of Physics: Condensed Matter. 28:094013

Directing molecular devices into pre-designed integrated electronic circuits while enforcing selectivity and hierarchy is an inherent challenge for molecular electronics. Here we explore ways to direct the assembly of electrically-active molecular mo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8caf50380de30d26cde3f7ec57e28f45
https://doi.org/10.1088/0953-8984/28/9/094013

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2D-nanomaterials for controlling friction and wear at interfaces

Autor: Jessica C. Spear, James D. Batteas, Bradley W. Ewers

Publikováno v: ResearcherID

This review focuses on recent developments in the use of 2D nanomaterials for controlling the frictional properties of surfaces and interfaces. While materials such as MoS2 and graphite have been investigated for some time, a host of other layered na

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d17ca2962bbf994a750aff81759f7652
http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=CCC&KeyUT=CCC:000359033800007&KeyUID=CCC:000359033800007

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