Výsledky vyhledávání - "Chris Y. Lau"

O2 Oxidation and Sublimation Kinetics of Single Silicon Nanoparticles at 1200–2050 K: Variation of Reaction Rates, Evolution of Structural and Optical Properties, and the Active-to-Passive Transition

Autor: Daniel J. Rodriguez, Chris Y. Lau, Abigail M. Friese, Bryan A. Long, Scott L. Anderson

Publikováno v: The Journal of Physical Chemistry C. 126:18716-18733

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::58df86f6bfe7ddeb56384914c8dcdb32
https://doi.org/10.1021/acs.jpcc.2c05985

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Growth and passivation of individual carbon nanoparticles by C2H2 addition at high temperatures: Dependence of growth rate and evolution on material and size

Autor: Chris Y. Lau, Daniel J. Rodriguez, Abigail M. Friese, Scott L. Anderson

Publikováno v: The Journal of Chemical Physics. 158

Absolute kinetics for reactions of C2H2 with a series of ∼60 individual carbon nanoparticles (NPs) from graphite, graphene, graphene oxide, carbon black, diamond, and nano-onion feedstocks were measured for temperatures (TNP) ranging from 1200 to 1

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::eb7866e413e23c2bf240e08eb6bb269a
https://doi.org/10.1063/5.0143948

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High temperature transformation, O2 etching, and passivation of single SiOx nanoparticles: kinetics and optical properties as structure probes

Autor: Daniel J. Rodriguez, Chris Y. Lau, Abigail M. Friese, Scott L. Anderson

Publikováno v: Molecular Physics.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2b89b2a43d6dbeb70b8eea779901ea30
https://doi.org/10.1080/00268976.2023.2184652

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O2-oxidation of individual graphite and graphene nanoparticles in the 1200–2200 K range: Particle-to-particle variations and the evolution of the reaction rates and optical properties

Autor: Chris Y. Lau, Bryan A. Long, Daniel J. Rodriguez, Susanna An Tang, Abigail M. Friese, Scott L. Anderson

Publikováno v: Carbon. 173:286-300

The kinetics for O2 oxidation of individual graphite and graphene platelet nanoparticles (NPs) were studied as a function of temperature (1200–2200 K) at varying oxygen partial pressures, using a single nanoparticle mass spectrometry method. NP tem

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8b4371d492466caa2f28bdb8f867119a
https://doi.org/10.1016/j.carbon.2020.10.053

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High-Temperature Oxidation of Single Carbon Nanoparticles: Dependence on the Surface Structure and Probing Real-Time Structural Evolution via Kinetics

Autor: Daniel J. Rodriguez, Chris Y. Lau, Abigail M. Friese, Alexandre Magasinski, Gleb Yushin, Scott L. Anderson

Publikováno v: Journal of the American Chemical Society. 144(11)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6962c8a858a6a6838126a87332439246
https://pubmed.ncbi.nlm.nih.gov/35261249

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Sublimation Kinetics for Individual Graphite and Graphene Nano-particles (NPs): NP-to-NP Variations and Evolving Structure-Kinetics and Structure-Emissivity Relationships

Autor: Daniel J. Rodriguez, Chris Y. Lau, Susanna An Tang, Bryan A. Long, Scott L. Anderson

A single nanoparticle (NP) mass spectrometry method was used to measure sublimation rates as a function of nanoparticle temperature (TNP) for a number of individual graphite and graphene NPs. Initially, the NP sublimation rates were ca. 400 times fas

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b1fcadafdc4cc44dead4f26e21939123
http://arxiv.org/abs/2002.07835

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Thermal Emission Spectroscopy of Single, Isolated Carbon Nanoparticles: Effects of Particle Size, Material, Charge, Excitation Wavelength, and Thermal History

Autor: Scott L. Anderson, Madeline Schultz, Bryan A. Long, Chris Y. Lau, Daniel J. Rodriguez

Results are presented for thermal emission from individually trapped carbon nanoparticles (NPs) in the temperature range from 1000 to 2100 K. We explore the effects on the magnitude and wavelength dependency of the emissivity, epsilon (lambda), of th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ec4dd5d143c1f6dd3b8e352caa612a63
http://arxiv.org/abs/2001.05594

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Thermal emission spectroscopy for single nanoparticle temperature measurement: optical system design and calibration

Autor: Bryan A. Long, Chris Y. Lau, Daniel J. Rodriguez, Scott L. Anderson

Publikováno v: Applied optics. 58(3)

We discuss the design of an optical system that allows measurement of 600 nm to 1650 nm emission spectra for individual nanoparticles (NPs), laser heated in an electrodynamic trap in controlled atmospheres. An approach to calibration of absolute inte

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::34189f0294b7d88501ce88feaaa597c9
https://pubmed.ncbi.nlm.nih.gov/30694247

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