Catalytic 1-Propanol Oxidation on Size-Controlled Platinum Nanoparticles at Solid–Gas and Solid–Liquid Interfaces: Significant Differences in Kinetics and Mechanisms

Autor: Danylo Zherebetskyy, Fudong Liu, Kwangjin An, Gabor A. Somorjai, Hui-Ling Han, Lindsay M. Carl, Lin-Wang Wang

Publikováno v: The Journal of Physical Chemistry C. 123:7577-7583

Utilizing Pt nanoparticles of varying sizes (2–7 nm), it was found that the oxidation of 1-propanol by molecular oxygen at 60 °C to propanal at the solid–gas and solid–liquid interfaces yielded significantly different results depending on Pt p

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c7c860da4534f6cd10ebe4df66ffd5db
https://doi.org/10.1021/acs.jpcc.8b00405

Molecular Orientations Change Reaction Kinetics and Mechanism: A Review on Catalytic Alcohol Oxidation in Gas Phase and Liquid Phase on Size-Controlled Pt Nanoparticles

Autor: Danylo Zherebetskyy, Hui-Ling Han, Lindsay M. Carl, Hironori Tatsumi, Fudong Liu, András Sápi, Gabor A. Somorjai, Hailiang Wang

Publikováno v: Catalysts, Vol 8, Iss 6, p 226 (2018)
Catalysts, vol 8, iss 6
Liu, F; Wang, H; Sapi, A; Tatsumi, H; Zherebetskyy, D; Han, HL; et al.(2018). Molecular orientations change reaction kinetics and mechanism: A review on catalytic alcohol oxidation in gas phase and liquid phase on size-controlled Pt nanoparticles. Catalysts, 8(6), 226-226. doi: 10.3390/catal8060226. Lawrence Berkeley National Laboratory: Retrieved from: http://www.escholarship.org/uc/item/3gs718kb

© 2018 by the authors. Licensee MDPI, Basel, Switzerland. Catalytic oxidation of alcohols is an essential process for energy conversion, production of fine chemicals and pharmaceutical intermediates. Although it has been broadly utilized in industry

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http://www.mdpi.com/2073-4344/8/6/226

Sum Frequency Generation Study of the Interfacial Layer in Liquid-Phase Heterogeneously Catalyzed Oxidation of 2-Propanol on Platinum: Effect of the Concentrations of Water and 2-Propanol at the Interface

Autor: Lindsay M. Carl, Gabor A. Somorjai, Christopher Thompson

Publikováno v: The Journal of Physical Chemistry C. 117:26077-26083

Sum frequency generation (SFG) vibrational spectroscopy was applied to study the solid–liquid interface in the heterogeneously catalyzed oxidation of 2-propanol to acetone by dissolved dioxygen in aqueous solution on platinum. The mole fraction of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c03716defb755d22e6c2fc07a1af434a
https://doi.org/10.1021/jp408123u

Activity and selectivity of colloidal platinum nanocatalysts for aqueous phase cyclohexenone hydrogenation

Autor: Nathan Musselwhite, Sarah B. Wagner, Kimberly A. Manbeck, Lindsay M. Carl, Anderson L. Marsh, Kyle M. Gross

Publikováno v: Applied Catalysis A: General. 402:104-109

The effect of varying the particle size of poly(vinylpyrrolidone)-capped colloidal platinum nanocatalysts, synthesized in the 1–10 nm size range, on the activity and selectivity during the aqueous-phase hydrogenation of cyclohexenone was investigat

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https://doi.org/10.1016/j.apcata.2011.05.033

Dramatically different kinetics and mechanism at solid/liquid and solid/gas interfaces for catalytic isopropanol oxidation over size-controlled platinum nanoparticles

Autor: Lindsay M. Carl, Danylo Zherebetskyy, Xiaojun Cai, Christopher Thompson, Lin-Wang Wang, Fudong Liu, James M. Krier, András Sápi, Gabor A. Somorjai, Hailiang Wang

Publikováno v: Journal of the American Chemical Society. 136(29)

We synthesize platinum nanoparticles with controlled average sizes of 2, 4, 6, and 8 nm and use them as model catalysts to study isopropanol oxidation to acetone in both the liquid and gas phases at 60 °C. The reaction at the solid/liquid interface

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ae28f635c1ef30f2c0037c1f9b1f9fef
https://pubmed.ncbi.nlm.nih.gov/24992695