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Akademický článek

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Upper bound relationship for proton exchange membranes: Empirical relationship and relevance of phase separated blends

Autor: Lloyd Mahlon Robeson, Henry H. Hwu, James E. McGrath

Publikováno v: Journal of Membrane Science. 302:70-77

The investigation of polyelectrolyte membranes for proton conductivity in fuel cell applications has significantly increased in the past decade. The literature now contains a myriad of experimental investigations directed at achieving high proton con

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::623a35d79896b1a534778e19b1762f27
https://doi.org/10.1016/j.memsci.2007.06.029

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Experimental and Theoretical Investigation of the Stability of Pt−3d−Pt(111) Bimetallic Surfaces under Oxygen Environment

Autor: Jingguang G. Chen, Henry H. Hwu, Carl A. Menning

Publikováno v: The Journal of Physical Chemistry B. 110:15471-15477

The stability of the Pt-3d-Pt(111) (3d = Ti, V, Cr, Mn, Fe, Co, or Ni) bimetallic surface structures in the presence of adsorbed oxygen has been investigated by means of density functional theory (DFT). The dissociative binding energies of oxygen on

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e5cf2586861b2cc2596bf33d1ad906b4
https://doi.org/10.1021/jp061697z

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Comparative studies of methanol decomposition on carbide-modified V(110) and Ti(0001)

Autor: Michael B. Zellner, Jingguang G. Chen, Henry H. Hwu

Publikováno v: Surface Science. 598:185-199

The reaction pathways of methanol on V(1 1 0), carbide-modified V(1 1 0), Ti(0 0 0 1), and carbide-modified Ti(0 0 0 1) have been studied using high-resolution electron energy loss spectroscopy (HREELS), Auger electron spectroscopy (AES), and tempera

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::50c5b087fe0222b6a45617d606b9cf0d
https://doi.org/10.1016/j.susc.2005.09.027

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The chemical and electronic properties of oxygen-modified C/Mo(110): a model system for molybdenum oxycarbides

Autor: Michael B. Zellner, Henry H. Hwu, Jingguang G. Chen

Publikováno v: Journal of Catalysis. 229:30-44

We have utilized oxygen-modified C/Mo(110) surfaces as model systems to determine the modification effect of oxygen in “oxycarbides.” Using cyclohexene, ethylene, and methanol as probe molecules, we observed that the reactivity of the O/C/Mo(110)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fbf5d4604f5e5ba13df16747628175d1
https://doi.org/10.1016/j.jcat.2004.09.014

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Chemical properties of carbon-modified titanium: reaction pathways of cyclohexene and ethylene over Ti(0001) and C/Ti(0001)

Autor: Henry H. Hwu, Jingguang G. Chen

Publikováno v: Surface Science. 557:144-158

The reaction pathways of cyclohexene and ethylene on clean and carbon-modified Ti(0 0 0 1) surfaces were studied using high-resolution electron energy loss spectroscopy (HREELS) and temperature-programmed desorption (TPD). As typically observed for e

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8e8504e4463a3b6adb6176e4f0ae492d
https://doi.org/10.1016/j.susc.2004.03.031

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Substrate-Dependent Reaction Pathways of Ethylene on Clean and Carbide-Modified W(110) and W(111)

Autor: Jingguang G. Chen, and Henry H. Hwu

Publikováno v: The Journal of Physical Chemistry B. 107:11467-11474

The decomposition of ethylene was utilized as a probe reaction to determine the chemical properties of carbide-modified W(110) and W(111) using high-resolution electron energy loss spectroscopy (HREELS) and temperature-programmed desorption (TPD) mea

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ce9cf4e4d2ace1a417d4bb57604debd0
https://doi.org/10.1021/jp0354806

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Potential application of tungsten carbides as electrocatalysts

Autor: Henry H. Hwu, Jiangguang G. Chen

Publikováno v: Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films. 21:1488-1493

The reactions of methanol, water, and carbon monoxide over clean and modified tungsten carbide surfaces are studied by using temperature programmed desorption, high-resolution electron energy loss spectroscopy, and Auger electron spectroscopy. The ca

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d107e884a385d457152e705d5d60684c
https://doi.org/10.1116/1.1582457

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