Simion, Andrada; Candu, Natalia; Coman, Simona M.; Primo Arnau, Ana Maria; Esteve-Adell, Iván; Michelet, Veronique; Parvulescu, Vasile I.; García Gómez, Hermenegildo(John Wiley & Sons, 2018-12-02)
[EN] Michael and Henry addition reactions have been investigated using mono (Au and Cu2O) and bimetallic nanoplatelets (Au/Cu2O) grafted onto few-layers graphene (fl-G) films as heterogeneous catalysts by comparison with ...
Candu, Natalia; Simion, Andrada; Coman, Simona M.; Primo Arnau, Ana Maria; Esteve-Adell, Iván; Parvulescu, Vasile I.; García Gómez, Hermenegildo(Springer-Verlag, 2018)
[EN] Few-layered graphene-supported 1.1.1 and 2.0.0 oriented Au and Cu2O nanoplatelets were prepared by one-step pyrolysis of the corresponding metal salts embedded in chitosan at 900 degrees C under inert atmosphere. These ...
Coman, Simona M.; Podolean, Iunia; Tudorache, Madalina; Cojocaru, Bogdan; Parvulescu, Vasile I.; Puche Panadero, Marta; García Gómez, Hermenegildo(The Royal Society of Chemistry, 2017)
[EN] Modification of GO by organic molecules changes its catalytic activity in the hydrogen transfer from i-propanol to enones, affecting the selectivity to allyl alcohol and diastereoselectivity to the resulting stereoisomers. ...
Primo Arnau, Ana María; Esteve Adell, Iván; Blandez Barradas, Juan Francisco; Amarajothi, Dhakshinamoorthy; Alvaro Rodríguez, Maria Mercedes; Candu, Natalia; Coman, Simona M.; Parvulescu, Vasile I.; García Gómez, Hermenegildo(Nature Publishing Group, 2015-10)
[EN] Metal oxide nanoparticles supported on graphene exhibit high catalytic activity for oxidation,
reduction and coupling reactions. Here we show that pyrolysis at 900 C under inert
atmosphere of copper(II) nitrate ...
Candu, Natalia; Man, Isabella; Andrada, Simion; COJOCARU, BOGDAN; Coman, Simona M.; Bucur, C.; Primo Arnau, Ana Maria; García Gómez, Hermenegildo; PARVULESCU, VASILE I.(Elsevier, 2019-08)
[EN] N-doped defective graphene [(N)G] obtained by pyrolysis at 900 degrees C of chitosan contains about 3.7% of residual N atoms, distributed as pyridinic, pyrrolic and graphitic N atoms. It has been found that (N)G acts ...
Primo Arnau, Ana María; Esteve Adell, Iván; Coman, Simona M.; Candu, Natalia; Parvulescu, Vasile; García Gómez, Hermenegildo(Wiley, 2016-01-11)
Pyrolysis of chitosan films containing Au3+ renders 1.1.1 oriented Au nanoplatelets (20 nm lateral size, 3-4 nm height) on a few layers of N-doped graphene ((Lambda) over baru/fl-G), while the lateral sides were 0.0.1 ...
Rizescu, Cristina; Podolean, Iunia; Cojocaru, Bogdan; Parvulescu, Vasile I.; Coman, Simona M.; Albero-Sancho, Josep; García Gómez, Hermenegildo(John Wiley & Sons, 2017)
[EN] Impregnation of RuCl3 on N-doped graphenes results in the formation of well-dispersed, small ruthenium oxyhydroxide nanoparticles supported on N-doped graphene that may exhibit high selectivity (87%) for the conversion ...