Zobrazeno 1 - 10
of 918
pro vyhledávání: '"Hermenegildo García"'
Autor:
Manuel Molina-Muriel, Mahesh Eledath-Changarath, Archit Dhingra, Josep Albero, Juan Francisco Sánchez-Royo, Antonio Ribera, Hermenegildo García
Publikováno v:
Journal of CO2 Utilization, Vol 83, Iss , Pp 102810- (2024)
Considering the flexibility in the synthesis that allows the formation of materials with more than two metals, the present study reports the preparation of trimetallic layered double hydroxides (LDHs) having Al as structural tri-positive cation, Ti a
Externí odkaz:
https://doaj.org/article/842088a9a4c149f4a707804edb3a4c4b
Publikováno v:
Journal of CO2 Utilization, Vol 81, Iss , Pp 102725- (2024)
A layered double hydroxide (LDH) has been used as precursor for the synthesis of a multimetallic mixed oxide with photocatalytic activity. Thus, a trimetallic CoTiAl LDH has been synthesized as spherical aggregates of nanosheets. Analysis at short sy
Externí odkaz:
https://doaj.org/article/3023447d001e4faea19246fc9eab23e8
Publikováno v:
Advanced Science, Vol 9, Iss 34, Pp n/a-n/a (2022)
Abstract Supercapacitors are considered among the most promising electrical energy storage devices, there being a need to achieve the highest possible energy storage density. Herein small mixed Zn–Co metal oxide nanoparticles are grown on doped gra
Externí odkaz:
https://doaj.org/article/535d1527a1df4bc3bb88223cbcca20f8
Publikováno v:
iScience, Vol 25, Iss 5, Pp 104252- (2022)
Summary: A catalyst based on first-row Fe and Co with a record of 51% selectivity to C2-C4 hydrocarbons at 36% CO2 conversion is disclosed. The factors responsible for the C2+ selectivity are a narrow Co-Fe particle size distribution of about 10 nm a
Externí odkaz:
https://doaj.org/article/994cd5ad61654a1cb1dec699abaf4139
Autor:
Sara Oudi, Ali Reza Oveisi, Saba Daliran, Mostafa Khajeh, Amarajothi Dhakshinamoorthy, Hermenegildo García
Publikováno v:
Nanomaterials, Vol 13, Iss 3, p 558 (2023)
A porphyrin-based covalent organic framework (COF), namely Porph-UOZ-COF (UOZ stands for the University of Zabol), has been designed and prepared via the condensation reaction of 5,10,15,20-tetrakis-(3,4-dihydroxyphenyl)porphyrin (DHPP) with 1,4-benz
Externí odkaz:
https://doaj.org/article/ab37a17ac33c490684550c8d05ee24fe
Autor:
Bogdan Jurca, Lu Peng, Ana Primo, Alvaro Gordillo, Amarajothi Dhakshinamoorthy, Vasile I. Parvulescu, Hermenegildo García
Publikováno v:
Nanomaterials, Vol 12, Iss 18, p 3220 (2022)
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 Ce) and non-metallic (S in vario
Externí odkaz:
https://doaj.org/article/4dabfb3aefd944b0ada81f7ca2eccfdd
Autor:
Larissa O. Paulista, Josep Albero, Ramiro J. E. Martins, Rui A. R. Boaventura, Vítor J. P. Vilar, Tânia F. C. V. Silva, Hermenegildo García
Publikováno v:
Catalysts, Vol 11, Iss 4, p 461 (2021)
The current work focused on the sunlight-driven thermo-photocatalytic reduction of carbon dioxide (CO2), the primary greenhouse gas, by ethane (C2H6), the second most abundant element in shale gas, aiming at the generation of ethanol (EtOH), a renewa
Externí odkaz:
https://doaj.org/article/af891e268c0b45a5ad86bd88a6ca5174
Publikováno v:
Nanomaterials, Vol 10, Iss 5, p 960 (2020)
Films or powders of hybrid methylammonium copper halide perovskite exhibit photocatalytic activity for overall water splitting in the vapor phase in the absence of any sacrificial agent, resulting in the generation of H2 and O2, reaching a maximum pr
Externí odkaz:
https://doaj.org/article/fd5c2299d87f4615aca7f86fb89f8fc6
Autor:
Patricia Gutiérrez-Carcedo, Sergio Navalón, Rafael Simó, Xavier Setoain, Carolina Aparicio-Gómez, Ibane Abasolo, Victor Manuel Victor, Hermenegildo García, José Raúl Herance
Publikováno v:
Nanomaterials, Vol 10, Iss 4, p 744 (2020)
Ceria nanoparticles are cell compatible antioxidants whose activity can be enhanced by gold deposition and by surface functionalization with positive triphenylphosphonium units to selectively target the mitochondria. The antioxidant properties of the
Externí odkaz:
https://doaj.org/article/57add3afad7144eabddd338fdf9d9c87
Publikováno v:
Nanomaterials, Vol 10, Iss 5, p 839 (2020)
Evidence by selected area diffraction patterns shows the successful preparation of large area (cm × cm) MoS2/graphene heterojunctions in coincidence of the MoS2 and graphene hexagons (superlattice). The electrodes of MoS2/graphene in superlattice co
Externí odkaz:
https://doaj.org/article/07232b8fd91f4a5ebe79efbceb9e53fc