Zobrazeno 1 - 10
of 57
pro vyhledávání: '"Michael J. Dignam"'
Autor:
Charles Z. Deng, Michael J. Dignam
Publikováno v:
Journal of The Electrochemical Society. 145:3507-3512
Thin films of amorphous Co-C-N mixtures which were co-sputtered in vacuum showed good catalyst properties for oxygen reduction in alkaline solution. The optimal catalytic activity was Co{sub 0.68}C{sub 0.16}N{sub 0.16}. The oxygen reduction for these
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b102f9e11c096bd8eecb56db529fd7a3
https://doi.org/10.1149/1.1838835
https://doi.org/10.1149/1.1838835
Autor:
Charles Z. Deng, Michael J. Dignam
Publikováno v:
Journal of The Electrochemical Society. 145:3513-3520
Thin films containing Co, C, and N were co-sputtered in vacuum for kinetic studies of oxygen reduction in alkaline electrolytes. Stability tests show that the oxygen reduction activity of the Co-C-N catalysts deteriorates with time. Films were charac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d148836da905d8459fd81d90f9d23f34
https://doi.org/10.1149/1.1838836
https://doi.org/10.1149/1.1838836
Publikováno v:
The Journal of Physical Chemistry B. 102:5055-5062
The thermal behavior of Langmuir−Blodgett (LB) monolayers of dl-dipalmitoyl phosphatidylethanolamine (DPPE) deposited onto a ZnSe substrate was studied by polarized infrared attenuated total reflection (ATR), over the temperature range 25−140 °C
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5ded2b16c7ccb2e0863a0f1ae1566181
https://doi.org/10.1021/jp972084c
https://doi.org/10.1021/jp972084c
Publikováno v:
Langmuir. 13:7211-7216
We compare two methods for obtaining structural information on Langmuir-Blodgett films from polarized infrared spectroscopy. For sufficiently uniform films, we have already shown (refs 11 and 12) that all polarized spectroscopic properties could be c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0ca3bd6cd3d00a6b30058bce455a1fd9
https://doi.org/10.1021/la970676g
https://doi.org/10.1021/la970676g
Publikováno v:
The Journal of Chemical Physics. 101:4649-4656
The model developed recently by us for calculating the optical properties of a small isotropic sphere, with a radially uniaxial coating of molecules, is extended here to include multicomponent coatings in an approximation in which the molecules, trea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cb67e387ddf3458b4b9f0645ef2dd905
https://doi.org/10.1063/1.467454
https://doi.org/10.1063/1.467454
Autor:
Laurent Servant, Michael J. Dignam
Publikováno v:
Thin Solid Films. 242:21-25
This contribution is concerned with developing procedures for extracting information of the mean orientations of transition dipole moments of molecules that make up an ordered molecular layer, e.g. a Langmuir-Blodgett (LB) film, from polarized reflec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d6836508ab100bec4c557b8628520c67
https://doi.org/10.1016/0040-6090(94)90495-2
https://doi.org/10.1016/0040-6090(94)90495-2
Autor:
Muliang Xu, Michael J. Dignam
Publikováno v:
The Journal of Chemical Physics. 100:197-203
In parts I and II of this series, the dominant role of ‘‘primary’’ Raman moments of degree greater than one, to Raman intensities for molecules forming a uniform coating on pairs of spherical particles in close proximity, is demonstrated. In
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5fe7400c6ccae2e60e5be8175225c89e
https://doi.org/10.1063/1.466979
https://doi.org/10.1063/1.466979
Autor:
Michael J. Dignam, Muliang Xu
Publikováno v:
The Journal of Chemical Physics. 99:2307-2321
In part I, a mathematical formalism was developed for calculating Raman scattering intensities from a collection of spherical particles uniformly coated with molecules, and applied to the special case of two CO‐coated Ag particles in contact, with
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b2a756e1039d22ed481d65c940534d26
https://doi.org/10.1063/1.465246
https://doi.org/10.1063/1.465246
Autor:
Muliang Xu, Michael J. Dignam
Publikováno v:
The Journal of Chemical Physics. 96:8000-8011
The theory of intense Raman scattering, generated by dipole active vibrational modes of molecules adsorbed on small metal particles, is reformulated here to make use of our recently developed approach to calculating the polarizability of small metal
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0d57ff3d464c3c576513f4d8a58954ce
https://doi.org/10.1063/1.462351
https://doi.org/10.1063/1.462351
Autor:
Muliang Xu, Michael J. Dignam
Publikováno v:
The Journal of Chemical Physics. 96:7758-7770
The methods developed in our earlier papers, dealing with Raman scattering from small isolated, spherical particles, uniformly coated with radially uniaxial molecules, are extended to include scattering driven by applied multipolar fields. Such field
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::697493a6701c957d30b2807cd53788d6
https://doi.org/10.1063/1.462374
https://doi.org/10.1063/1.462374