Effect of the zeolitic matrix on the reduction process of Cu2+ cations in clinoptilolite, mordenite and erionite

Inocente Rodríguez-Iznaga, Vitalii Petranovskii, Miguel Ángel Hernández Espinosa, Felipe Castillón Barraza, Alexey Pestryakov

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Citations (Scopus)

Abstract

Three different zeolites (erionite, mordenite and natural clinoptilolite) were used to study influence of zeolite topology on the state of copper during ion-exchange and following reduction in hydrogen flow. This comparative study clearly demonstrates the influence of used zeolite matrices on the process of implantation of copper nano-species. Starting from the ion-exchange, the alterations in the state of Cu2+ ions start to be evident due to variations of the intensity of charge transfer band. Copper ions start to reduce at specific temperatures depending on the type of zeolite matrix. Copper plasma resonance band change its shape and position for different zeolites. In the case of Cu-CLI samples this band change both the shape and position for different temperature of reduction. These observations permit to suggest that the mechanism of copper ion reduction and agglomeration to form copper nanoparticles noticeably depend on the type of zeolite matrix. This mechanism is more complex for the Cu CLI than for the Cu-MOR and Cu-ERI systems. Copper nanoparticles formed at low temperatures in the case of Cu-CLI samples undergo changes while temperature of reduction grow.

Original languageEnglish
Title of host publicationAdvanced Materials Research
Pages48-52
Number of pages5
Volume880
DOIs
Publication statusPublished - 2014
Event10th International Conference on Prospects of Fundamental Sciences Development, PFSD-2013 - Tomsk, Russian Federation
Duration: 23 Apr 201326 Apr 2013

Publication series

NameAdvanced Materials Research
Volume880
ISSN (Print)10226680

Other

Other10th International Conference on Prospects of Fundamental Sciences Development, PFSD-2013
CountryRussian Federation
CityTomsk
Period23.4.1326.4.13

Fingerprint

Positive ions
Copper
Zeolites
Ion exchange
Ions
Nanoparticles
Temperature
Charge transfer
Agglomeration
Topology
Plasmas
Hydrogen

Keywords

  • Clinoptilolite
  • Copper
  • Erionite
  • Ion-exchange
  • Mordenite
  • Nanoparticles
  • Reduction

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Rodríguez-Iznaga, I., Petranovskii, V., Espinosa, M. Á. H., Barraza, F. C., & Pestryakov, A. (2014). Effect of the zeolitic matrix on the reduction process of Cu2+ cations in clinoptilolite, mordenite and erionite. In Advanced Materials Research (Vol. 880, pp. 48-52). (Advanced Materials Research; Vol. 880). https://doi.org/10.4028/www.scientific.net/AMR.880.48

Effect of the zeolitic matrix on the reduction process of Cu2+ cations in clinoptilolite, mordenite and erionite. / Rodríguez-Iznaga, Inocente; Petranovskii, Vitalii; Espinosa, Miguel Ángel Hernández; Barraza, Felipe Castillón; Pestryakov, Alexey.

Advanced Materials Research. Vol. 880 2014. p. 48-52 (Advanced Materials Research; Vol. 880).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Rodríguez-Iznaga, I, Petranovskii, V, Espinosa, MÁH, Barraza, FC & Pestryakov, A 2014, Effect of the zeolitic matrix on the reduction process of Cu2+ cations in clinoptilolite, mordenite and erionite. in Advanced Materials Research. vol. 880, Advanced Materials Research, vol. 880, pp. 48-52, 10th International Conference on Prospects of Fundamental Sciences Development, PFSD-2013, Tomsk, Russian Federation, 23.4.13. https://doi.org/10.4028/www.scientific.net/AMR.880.48
Rodríguez-Iznaga I, Petranovskii V, Espinosa MÁH, Barraza FC, Pestryakov A. Effect of the zeolitic matrix on the reduction process of Cu2+ cations in clinoptilolite, mordenite and erionite. In Advanced Materials Research. Vol. 880. 2014. p. 48-52. (Advanced Materials Research). https://doi.org/10.4028/www.scientific.net/AMR.880.48
Rodríguez-Iznaga, Inocente ; Petranovskii, Vitalii ; Espinosa, Miguel Ángel Hernández ; Barraza, Felipe Castillón ; Pestryakov, Alexey. / Effect of the zeolitic matrix on the reduction process of Cu2+ cations in clinoptilolite, mordenite and erionite. Advanced Materials Research. Vol. 880 2014. pp. 48-52 (Advanced Materials Research).
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