Peng, Lu; Jurca, Bogdan; Primo Arnau, Ana Maria; Gordillo, Alvaro; Parvulescu, Vasile I.; García Gómez, Hermenegildo(American Chemical Society, 2021-07-19)
[EN] Graphitic carbons are suitable supports of metal nanoparticles with catalytic activity. In the present study, the preparation of N-doped graphitic carbon supporting clusters of Fe-Co alloys starting from biomass waste ...
Jurca, Bogdan; Peng, Lu; Primo Arnau, Ana Maria; Gordillo, Alvaro; Parvulescu, Vasile I.; García Gómez, Hermenegildo(American Chemical Society, 2021-08-11)
[EN] Pyrolysis of chitosan containing various loadings of Co and Fe renders Co-Fe alloy nanoparticles supported on N-doped graphitic carbon. Transmission electron microscopy (TEM) images show that the surface of Co-Fe NPs ...
Primo Arnau, Ana Maria; He, Jinbao; Jurca, Bogdan; Cojocaru, Bogdan; Bucur, Cristina; Parvulescu, Vasile I.; García Gómez, Hermenegildo(Elsevier, 2019-05-15)
[EN] Powders of molybdenum disulfide platelets strongly grafted on graphene have been prepared by pyrolysis of ammonium alginate containing adsorbed various proportions of (NH4)(2)MoS4. After pyrolysis, formation of MoS2 ...
Peng, Lu; Jurca, Bogdan; Primo Arnau, Ana Maria; Gordillo, Alvaro; Parvulescu, Vasile I.; García Gómez, Hermenegildo(Elsevier (Cell Press), 2022-05-20)
[EN] A catalyst based on first-row Fe and Co with a record of 51% selectivity to C-2-C-4 hydrocarbons at 36% CO2 conversion is disclosed. The factors responsible for the C2+ selectivity are a narrow Co-Fe particle size ...
Jurca, Bogdan; Bucur, Cristina; Primo Arnau, Ana Maria; Concepción Heydorn, Patricia; Parvulescu, Vasile I.; García Gómez, Hermenegildo(John Wiley & Sons, 2019-02-06)
[EN] N-doped, defective graphene obtained by pyrolysis of chitosan at 900 degrees C under Ar exhibits catalytic activity for the Sabatier hydrogenation of CO2 to CH4 at temperatures about 500 degrees C with estimated ...
Jurca, Bogdan; Peng, Lu; Primo Arnau, Ana Maria; Gordillo, Alvaro; Dhakshinamoorthy, Amarajothi; Parvulescu, Vasile I.; García Gómez, Hermenegildo(MDPI AG, 2022-09)
[EN] Starting from the reported activity of Co-Fe nanoparticles wrapped onto graphitic carbon (Co-Fe@C) as CO2 hydrogenation catalysts, the present article studies the influence of a series of metallic (Pd, Ce, Ca, Ca, and ...