2024-03-28T18:32:22Zhttp://digital.csic.es/dspace-oai/requestoai:digital.csic.es:10261/1595732021-12-28T15:50:28Zcom_10261_35com_10261_5col_10261_288
DIGITAL.CSIC
author
Torres Gamarra, Daniel
author
Arcelus-Arrillaga, Pedro
author
Millán, Marcos
author
Pinilla Ibarz, José Luis
author
Suelves Laiglesia, Isabel
funder
Ministerio de Economía y Competitividad (España)
funder
Consejo Superior de Investigaciones Científicas (España)
funder
European Commission
2018-01-24T12:57:57Z
2018-01-24T12:57:57Z
2017-12-14
Nanomaterials 7(12): 447 (2017)
2079-4991
http://hdl.handle.net/10261/159573
10.3390/nano7120447
http://dx.doi.org/10.13039/501100000780http://dx.doi.org/10.13039/501100003329http://dx.doi.org/10.13039/501100003339
29240720
A sustainable and effective method for de-oxygenation of few-layer graphene oxide (FLGO) by glycerol gasification in supercritical water (SCW) is described. In this manner, reduction of FLGO
and valorization of glycerol, in turn catalyzed by FLGO, are achieved simultaneously. The addition
of glycerol enhanced FLGO oxygen removal by up to 59% due to the in situ hydrogen generation as
compared to the use of SCW only. Physicochemical characterization of the reduced FLGO (rFLGO)
showed a high restoration of the sp2-conjugated carbon network. FLGO sheets with a starting
C/O ratio of 2.5 are reduced by SCW gasification of glycerol to rFLGO with a C/O ratio of 28.2,
above those reported for hydrazine-based methods. Additionally, simultaneous glycerol gasification
resulted in the concurrent production of H2, CO, CH4 and valuable hydrocarbons such as alkylated
and non-alkylated long chain hydrocarbon (C12–C31), polycyclic aromatic hydrocarbons (PAH),
and phthalate, phenol, cresol and furan based compounds.
eng
openAccess
Few-layer graphene oxide
Reduced graphene oxide
Supercritical water
Glycerol gasification
Hydrogen production
Enhanced reduction of few-layer graphene oxide via supercritical water gasification of glycerol
artículo
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URL
https://digital.csic.es/bitstream/10261/159573/1/nanomaterials-07%2c12-2017.pdf
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