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Comparative photophysical study of Pt(II) complex-nanoclay hybrid materials as dry powders and hydrogels

  • Sathish Chatnahalli Gangadharappa and Cristian A. Strassert EMAIL logo
Published/Copyright: November 4, 2020
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Zeitschrift für Naturforschung B
From the journal Zeitschrift für Naturforschung B Volume 75 Issue 11

Abstract

The excited state properties of Pt(II) complexes are strongly influenced by their microenvironment and by intermolecular interactions. In this work, we investigated the photoluminescence of six Pt(II) complexes adsorbed onto a layered nanoclay, namely Laponite® (LAP). The excellent water dispersibility and gel-forming nature of the LAP was exploited to achieve a class of versatile materials. In particular, we report on the comparative photophysics of the dry powders and the hydrogels. Steady-state and time-resolved photoluminescence spectroscopy were used to assess the role of structural features at molecular level on the interaction between the nanodiscs, which in turn affects the intermolecular coupling of the coordination compounds in the excited state.

Keywords: hydrogels; layered nanoclay; photophysics; photoluminescence; Pt(II) complex

Dedicated to: Professor Robert Glaum on the occasion of his 60th birthday.

Corresponding author: Cristian A. Strassert, Institut für Anorganische und Analytische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstraße 28/30, D-48149Münster, Germany; and CeNTech, CiMIC, SoN, Westfälische Wilhelms-Universität Münster, Heisenbergstraße 11, D-48149Münster, Germany, E-mail:

Acknowledgments

SCG gratefully acknowledges Westfälische Wilhelms-Universität Münster for a doctoral fellowship. CAS would like to acknowledge the Cluster of Excellence Cells in Motion (DFG EXC 1003) for financial support.

  1. Author contribution: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.

  2. Research funding: This work was financially supported by the DFG.

  3. Conflict of interest statement: The authors declare no conflicts of interest regarding this article.

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Supplementary Material

The online version of this article offers supplementary material (https://doi.org/10.1515/znb-2020-0169).

Received: 2020-10-09
Accepted: 2020-10-20
Published Online: 2020-11-04
Published in Print: 2020-11-26

© 2020 Walter de Gruyter GmbH, Berlin/Boston

Articles in the same Issue

  1. Frontmatter
  2. In this issue
  3. Editorial
  4. Robert Glaum zum 60. Geburtstag gewidmet
  5. Research Articles
  6. Structural transition and antiferromagnetic ordering in the solid solution CePd1−xAuxAl (x = 0.1–0.9)
  7. Ternary plumbides ATPb2 (A = Ca, Sr, Ba, Eu; T = Rh, Pd, Pt) with distorted, lonsdaleite-related substructures of tetrahedrally connected lead atoms
  8. Intergrowth of niobium tungsten oxides of the tetragonal tungsten bronze type
  9. FeBiS2Cl – A new iron-containing member of the MPnQ2X family
  10. Thallium diphosphates
  11. Behavior of beryllium halides and triflate in acetonitrile solutions
  12. Hydroflux syntheses and crystal structures of hydrogarnets Ba3[RE(OH)6]2 (RE = Sc, Y, Ho–Lu)
  13. Three of a kind? The non-isotypic triple CsCe[P2Se6], CsSm[P2Se6] and CsEr[P2Se6]
  14. The crystal structure of ZrCr2D≈4 at 50 K ≤ T ≤ 200 K
  15. High-pressure synthesis and crystal structure of HP-Al2B3O7(OH)
  16. New layered supertetrahedral compounds T2-MSiAs2, T3-MGaSiAs3 and polytypic T4-M4Ga5SiAs9 (M = Sr, Eu)
  17. Comparative photophysical study of Pt(II) complex-nanoclay hybrid materials as dry powders and hydrogels
  18. Carbon subsulfide C3S2 – synthesis by flash vacuum pyrolysis and crystal structure determination
https://doi.org/10.1515/znb-2020-0169
Keywords for this article
hydrogels; layered nanoclay; photophysics; photoluminescence; Pt(II) complex

Articles in the same Issue

  1. Frontmatter
  2. In this issue
  3. Editorial
  4. Robert Glaum zum 60. Geburtstag gewidmet
  5. Research Articles
  6. Structural transition and antiferromagnetic ordering in the solid solution CePd1−xAuxAl (x = 0.1–0.9)
  7. Ternary plumbides ATPb2 (A = Ca, Sr, Ba, Eu; T = Rh, Pd, Pt) with distorted, lonsdaleite-related substructures of tetrahedrally connected lead atoms
  8. Intergrowth of niobium tungsten oxides of the tetragonal tungsten bronze type
  9. FeBiS2Cl – A new iron-containing member of the MPnQ2X family
  10. Thallium diphosphates
  11. Behavior of beryllium halides and triflate in acetonitrile solutions
  12. Hydroflux syntheses and crystal structures of hydrogarnets Ba3[RE(OH)6]2 (RE = Sc, Y, Ho–Lu)
  13. Three of a kind? The non-isotypic triple CsCe[P2Se6], CsSm[P2Se6] and CsEr[P2Se6]
  14. The crystal structure of ZrCr2D≈4 at 50 K ≤ T ≤ 200 K
  15. High-pressure synthesis and crystal structure of HP-Al2B3O7(OH)
  16. New layered supertetrahedral compounds T2-MSiAs2, T3-MGaSiAs3 and polytypic T4-M4Ga5SiAs9 (M = Sr, Eu)
  17. Comparative photophysical study of Pt(II) complex-nanoclay hybrid materials as dry powders and hydrogels
  18. Carbon subsulfide C3S2 – synthesis by flash vacuum pyrolysis and crystal structure determination
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