Surface studies of the chemical environment in gold nanorods supported by X-ray photoelectron spectroscopy (XPS) and ab initio calculations

Autor: Camila Oliveira, Claudilene Ribeiro Chaves, Pascal Bargiela, Maria da Graça Carneiro da Rocha, Antonio Ferreira da Silva, José Fernando Diniz Chubaci, Mathias Boström, Clas Persson, Marcos Malta

Publikováno v: Journal of Materials Research and Technology, Vol 15, Iss , Pp 768-776 (2021)

In this manuscript, we prepared gold nanorods (Au-NRs) through “silver-assisted seeded methodology” and studied their outermost layer using XPS spectroscopy and ab initio calculations to compare the chemical states of the constituents of the meta

Externí odkaz: https://doaj.org/article/31b7a51492a043f2a8c1b73982ecb3eb

A combustão catalítica do metano: estudo estatístico do efeito das variáveis de preparação e pré-tratamento de catalisadores de paládio suportado sobre a atividade catalítica The catalytic combustion of methane: statistical study of preparation and pretreatment conditions of palladium supported catalysts and their relationship with catalytic activity

Autor: Maria da Graça Carneiro da Rocha, Roger Frety, Pierre Lanteri

Publikováno v: Química Nova, Vol 24, Iss 2, Pp 167-171 (2001)

The catalytic combustion of methane on alumina supported palladium catalysts was studied. It has been reported that the activity of the catalyst increases with its time on line, despite of an increase of the palladium particle size. However, differen

Externí odkaz: https://doaj.org/article/05b5219336074a37be4ef3dc7af6c7bd

Surface studies of the chemical environment in gold nanorods supported by X-ray photoelectron spectroscopy (XPS) and ab initio calculations

Autor: Clas Persson, Marcos Malta, Maria da Graça Carneiro da Rocha, Claudilene Ribeiro Chaves, Jose Fernando Diniz Chubaci, Antonio Ferreira da Silva, Camila I. de Oliveira, Mathias Boström, Pascal Bargiela

Publikováno v: Journal of Materials Research and Technology, Vol 15, Iss, Pp 768-776 (2021)

In this manuscript, we prepared gold nanorods (Au-NRs) through “silver-assisted seeded methodology” and studied their outermost layer using XPS spectroscopy and ab initio calculations to compare the chemical states of the constituents of the meta

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::62f0bd36c2bfeb78959f1ac4c50e64b1
http://hdl.handle.net/10852/89601

Ag/TiO2 photocatalyst immobilized onto modified natural fibers for photodegradation of anthracene

Autor: Maria da Graça Carneiro da Rocha, Flávia Cavalcante S.M.R. Lopes, Carlos Pires, Pascal Bargiela, Hadma Sousa Ferreira

Publikováno v: Chemical Engineering Science. 227:115939

This study reports the application of immobilized Ag/TiO2 onto coconut and sisal fibers to anthracene degradation via the UV–vis radiation. The fibers were previously treated with hot water and CTAB to clean their impurities surfaces. Immobilizatio

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::24866ae047d962687316959d8a9fe25b
https://doi.org/10.1016/j.ces.2020.115939

Química Nova

Autor: Lilian Maria Tosta Simplício Rodrigues, Maria da Graça Carneiro da Rocha, Daniela Domingos, Roger Fréty, Soraia Teixeira Brandão

Publikováno v: Química Nova, Vol 35, Iss 6, Pp 1118-1122 (2012)
Repositório Institucional da UFBA
Universidade Federal da Bahia (UFBA)
instacron:UFBA
Química Nova v.35 n.6 2012
Química Nova
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Química Nova, Volume: 35, Issue: 6, Pages: 1118-1122, Published: 2012

p. 1118-1122 Submitted by Edileide Reis (leyde-landy@hotmail.com) on 2014-07-16T13:23:44Z No. of bitstreams: 1 Daniela Domingos.pdf: 339221 bytes, checksum: 1d81527b078d38528224e00e73850256 (MD5) Made available in DSpace on 2014-07-16T13:23:45Z (GMT)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d038d5ae16ada58ad08756eb0e68c2e1
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422012000600009&lng=en&tlng=en