| dc.contributor.author | Camarada, María B. [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada, Santiago, Chile] | es_CL |
| dc.contributor.author | Abarca, Gabriel [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada, Santiago, Chile] | es_CL |
| dc.contributor.author | Morales-Verdejo, César [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada, Santiago, Chile] | es_CL |
| dc.contributor.author | Cerda-Cavieres, Christopher [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada, Santiago, Chile] | es_CL |
| dc.contributor.author | Ríos, Paulina L. [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada, Santiago, Chile] | es_CL |
| dc.contributor.author | Povea, Paula | es_CL |
| dc.contributor.author | Arroyo, Juan L. | es_CL |
| dc.date.accessioned | 2020-04-12T14:11:55Z | |
| dc.date.accessioned | 2020-04-14T15:46:15Z | |
| dc.date.available | 2020-04-12T14:11:55Z | |
| dc.date.available | 2020-04-14T15:46:15Z | |
| dc.date.issued | 2019 | es_CL |
| dc.identifier.citation | Ríos, P. L., Povea, P., Cerda-Cavieres, C., Arroyo, J. L., Morales-Verdejo, C., Abarca, G., & Camarada, M. B. (2019). Novel in situ synthesis of copper nanoparticles supported on reduced graphene oxide and its application as a new catalyst for the decomposition of composite solid propellants. RSC advances, 9(15), 8480-8489. | es_CL |
| dc.identifier.issn | 2046-2069 | es_CL |
| dc.identifier.uri | https://doi.org/10.1039/c9ra00789j | es_CL |
| dc.identifier.uri | http://repositorio.umayor.cl/xmlui/handle/sibum/6685 | |
| dc.description.abstract | The catalytic activity of graphene oxide (GO), reduced graphene oxide (rGO), copper nanoparticles (CuNP) and rGO supported copper nanoparticles (rGO|CuNP) was investigated for the thermal decomposition of ammonium perchlorate (AP). GO was synthesized using a methodology based on hydrophilic oxidation, while an environmentally friendly and non-toxic reducing agent, L-ascorbic acid, was applied for the in situ reduction of copper and GO. The supporting rGO reduced the mean size of the copper nanoparticles from approximately 6 to 2 angstrom due to the presence of stabilizing functional groups on the graphitic structure. Theoretical studies through Density Functional Theory revealed the important role of the epoxy and carbonyl groups of rGO on the stabilization of copper. The thermal decomposition process was studied based on DSC and TGA. GO, and rGO did not show a significant catalytic influence in the decomposition of AP. CuNP reduced the decomposition temperature of AP in greater magnitude than rGO|CuNP however, the synergistic effect of the rGO and CuNP increased the energy release significantly. | es_CL |
| dc.description.sponsorship | FondecytComision Nacional de Investigacion Cientifica y Tecnologica (CONICYT)CONICYT FONDECYT [1180023]; Fondecyt ChileComision Nacional de Investigacion Cientifica y Tecnologica (CONICYT)CONICYT FONDECYT [1161297]; US ArmyUnited States Department of Defense [W911NF-18-1-0398]; supercomputing infrastructure of the NLHPC [ECM-02]; LNNano [ME-22384] | es_CL |
| dc.description.sponsorship | M. B. C. is grateful to Fondecyt, Project Regular 1180023. C. M. V. thanks also Fondecyt Chile (Project Regular 1161297). This research was supported by the US Army W911NF-18-1-0398 and partially sponsored by the supercomputing infrastructure of the NLHPC (ECM-02). The authors are thankful to LNLS-CNPEM (Brazil) and LNNano (ME-22384). | es_CL |
| dc.language.iso | en | es_CL |
| dc.publisher | ROYAL SOC CHEMISTRY | es_CL |
| dc.rights | Attribution-NonCommercial-NoDerivs 3.0 Chile | |
| dc.source | RSC Adv., MAR, 2019. 9(15): p. 8480-8489 | |
| dc.subject | Chemistry, Multidisciplinary | es_CL |
| dc.title | Novel in situ synthesis of copper nanoparticles supported on reduced graphene oxide and its application as a new catalyst for the decomposition of composite solid propellants | es_CL |
| dc.type | Artículo | es_CL |
| umayor.facultad | CIENCIAS | |
| umayor.politicas.sherpa/romeo | DOAJ Gold | es_CL |
| umayor.indexado | WOS:000461445300041 | es_CL |
| umayor.indexado | SIN PMID | es_CL |
| dc.identifier.doi | DOI: 10.1039/c9ra00789j | es_CL] |
| umayor.indicadores.wos-(cuartil) | Q4 | es_CL |
| umayor.indicadores.scopus-(scimago-sjr) | SCIMAGO/ INDICE H: 34 H | es_CL |