Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Renato Canha Ambrosio"'
Publikováno v:
Química Nova, Vol 36, Iss 1, Pp 181-186 (2013)
In this work, we applied the free open source SCILAB software for the numerical integration of differential rate law equations to obtain the concentration profiles of chemical species involved in the kinetics of some complex reactions. An automated m
Externí odkaz:
https://doaj.org/article/52c1605685b44f5b80f0799c09c0b395
Publikováno v:
Química Nova, Vol 24, Iss 2, Pp 243-246 (2001)
Externí odkaz:
https://doaj.org/article/eb13203486534125883bd48bf0d59a74
Publikováno v:
ACS Catalysis. 8:2247-2252
The behavior of CO interaction with gold in electrochemical environment is presented in this work by means of SERS technique. The results shows spectroscopic evidences that the adsorbed CO promotes the formation of oxidic species even at potentials w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ee19c8ca3ce322fa3170c6534ece0cad
https://doi.org/10.1021/acscatal.7b03736
https://doi.org/10.1021/acscatal.7b03736
Autor:
Stefano P. Boulos, Dennis P. Butcher, Renato Canha Ambrosio, Catherine J. Murphy, Andrew A. Gewirth
Publikováno v:
The Journal of Physical Chemistry C. 116:5128-5140
We have investigated the potential-dependent assembly of 2,2′-bipyridine molecules on both Au(100) and Au(111) surfaces using a newly developed Shell-Isolated Nanoparticle Enhanced-Raman Spectroscopy (SHINERS) technique. We present potential-depend
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3bb0244a8b12ae8f62715c8a77e4c158
https://doi.org/10.1021/jp211884s
https://doi.org/10.1021/jp211884s
Publikováno v:
Analytical Chemistry. 82:1305-1310
Surface-enhanced Raman scattering (SERS) spectra were collected continuously during cyclic voltammetric measurements on silver electrodes in alkaline aqueous solution at room temperature. Three water librational modes as well as the bending mode peak
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ffe2273e035481046dad021fdefbcb8c
https://doi.org/10.1021/ac902299u
https://doi.org/10.1021/ac902299u
Autor:
Patrícia Mendonça Pimentel, Marcus Antônio de Freitas Melo, Renato Canha Ambrosio, F. M. M. Borges, Carlos Neco da Silva Júnior, Dulce Maria de Araújo Melo
Publikováno v:
Repositório Institucional da UFRN
Universidade Federal do Rio Grande do Norte (UFRN)
instacron:UFRN
Universidade Federal do Rio Grande do Norte (UFRN)
instacron:UFRN
XAFS experiments at the Mn and Sr K-edges were carried out in order to investigate the short-range arrangement of Mn and Sr sites on La1−xSrxMnO3±δ highly doped perovskites (x = 0, 0.2, 0.4 and 0.6). The Mn K-edge EXAFS spectra show a static Jahn
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4b5777415549499a49361c1765244897
https://doi.org/10.1016/j.chemphys.2005.09.008
https://doi.org/10.1016/j.chemphys.2005.09.008
Publikováno v:
Journal of Electroanalytical Chemistry. 574:251-260
Electroless copper deposits were made on the surface of LaNi4.7Sn0.3 particles with the aim of studying the influence on the charge/discharge performance of this metal hydride alloy. Cu layers were produced using formaldehyde and hydrogen as reducing
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::616aa06a6c52d1f1ef97efb2b2410814
https://doi.org/10.1016/j.jelechem.2004.08.006
https://doi.org/10.1016/j.jelechem.2004.08.006
Publikováno v:
International Journal of Hydrogen Energy. 29:1253-1261
This work reports the results of studies of some physical and electrochemical properties of three AB2-types non-stoichiometric metal hydride alloys, Ti0.1Zr0.9−xExNi1.1V0.5Mn0.6, where E=Y, La and Nb and x=0, 0.2 and 0.4. X-ray diffraction analysis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b1e6970bf7723b5f095b54f7ce8628f9
https://doi.org/10.1016/j.ijhydene.2003.12.005
https://doi.org/10.1016/j.ijhydene.2003.12.005
Publikováno v:
Journal of Power Sources. 110:73-79
This work reports the results of a systematic study on the effect of Co as substituent for Ni on several physical and electrochemical properties of LaNi4.7−xSn0.3Cox metal hydride alloys, where 0≤x≤0.7. These included the unit cell lattice para
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dec52da47df0a0b1a6ef978d28f0c5e9
https://doi.org/10.1016/s0378-7753(02)00239-2
https://doi.org/10.1016/s0378-7753(02)00239-2
Publikováno v:
Repositório Institucional da UFRN
Universidade Federal do Rio Grande do Norte (UFRN)
instacron:UFRN
Universidade Federal do Rio Grande do Norte (UFRN)
instacron:UFRN
The reduction kinetics of Ni cations incorporated in MCM-41 was investigated by in situ XANES measurements performed at a dispersive beamline. The detailed analysis of XANES spectra was conducted by perturbationcorrelation moving-window 2D correlatio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9f69e62fd8814bebf8da359ee06165bc
https://repositorio.ufrn.br/handle/123456789/32256
https://repositorio.ufrn.br/handle/123456789/32256
