Startseite New organic-inorganic hybrid composites based on cellulose nanofibers and modified Laponite
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New organic-inorganic hybrid composites based on cellulose nanofibers and modified Laponite

  • Jhonatan M. Silva , Fernando E. Maturi , Hernane S. Barud , Vera R.L. Constantino und Sidney J.L. Ribeiro ORCID logo EMAIL logo
Veröffentlicht/Copyright: 28. September 2018
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Advanced Optical Technologies
Aus der Zeitschrift Advanced Optical Technologies Band 7 Heft 5

Abstract

The combination of cellulosic materials and clays, such as Laponite, can provide composites with superior optical and mechanical properties compared to pristine cellulose. Synthetic clays can also be used as a host matrix for the immobilization of luminescent complexes, as the incorporated complexes may present enhanced emission quantum efficiency, photo and thermostability compared to the non-immobilized ones. In this way, we, herein, report the preparation of luminescent composites through the incorporation of a Eu(III) complex [Eu3+(tta)n] containing Laponite (Lap) into cellulose nanofibers (CNF). The thermogravimetry results show that the obtained CNF/Lap@[Eu3+(tta)n] films present higher thermal resistance than the CNF film. The Eu3+(tta)n species were found in the composite structure with preserved luminescence characteristics, and no leaching or degradation of the organic ligand was observed with the preparation of the composites.

Keywords: cellulose nanofibers; europium; Laponite; luminescent composites; luminescent films

Acknowledgments

Brazilian funding agencies CNPq, CAPES, and FAPESP, and the Brazilian National Institute of Photonics (INFO) are acknowledged.

References

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Received: 2018-05-31
Accepted: 2018-08-29
Published Online: 2018-09-28
Published in Print: 2018-10-25

©2018 THOSS Media & De Gruyter, Berlin/Boston

Artikel in diesem Heft

  1. Cover and Frontmatter
  2. Editorial
  3. Making steady progress
  4. Community
  5. News
  6. Topical Issue: Optical Materials Part 2
  7. Review Articles
  8. The POLICRYPS liquid-crystalline structure for optical applications
  9. On the femtosecond laser-induced photochemistry in silver-containing oxide glasses: mechanisms, related optical and physico-chemical properties, and technological applications
  10. Research Articles
  11. Formation of cross-superposed LIPSSs on bulk chalcogenide glasses using fs-laser
  12. Design and fabrication of nonlinear optical waveguides for far-detuned wavelength conversion to the mid-infrared
  13. New organic-inorganic hybrid composites based on cellulose nanofibers and modified Laponite
  14. Tutorial
  15. Trends in optical design from 1988 to 2018… where to from here?
https://doi.org/10.1515/aot-2018-0030
Schlagwörter für diesen Artikel
cellulose nanofibers; europium; Laponite; luminescent composites; luminescent films

Artikel in diesem Heft

  1. Cover and Frontmatter
  2. Editorial
  3. Making steady progress
  4. Community
  5. News
  6. Topical Issue: Optical Materials Part 2
  7. Review Articles
  8. The POLICRYPS liquid-crystalline structure for optical applications
  9. On the femtosecond laser-induced photochemistry in silver-containing oxide glasses: mechanisms, related optical and physico-chemical properties, and technological applications
  10. Research Articles
  11. Formation of cross-superposed LIPSSs on bulk chalcogenide glasses using fs-laser
  12. Design and fabrication of nonlinear optical waveguides for far-detuned wavelength conversion to the mid-infrared
  13. New organic-inorganic hybrid composites based on cellulose nanofibers and modified Laponite
  14. Tutorial
  15. Trends in optical design from 1988 to 2018… where to from here?
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