Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
Visible light-driven oxygen evolution using a binuclear Ru-bda catalyst
Show others and affiliations
2018 (English)In: Cuihuà xuébào, ISSN 0253-9837, E-ISSN 1872-2067, Vol. 39, no 3, p. 446-452Article in journal (Refereed) Published
Abstract [en]

Binuclear ruthenium complexes bearing the 2,2'-bipyridine-6,6'-dicarboxylate (bda) ligand have been demonstrated to be highly active catalysts towards water oxidation with CeIV as an oxidant. However, the catalytic properties of ruthenium dimers have not yet been explored for visible light-driven water oxidation. Herein, the photocatalytic performance of a dipyridyl propane-bridged ruthenium dimer 2 was investigated in comparison with its monomeric precursor, [Ru(bda)(pic)2] (1), in CH3CN/phosphate buffer mixed solvent in a three-component system including a photosensitizer and a sacrificial electron acceptor. Experimental results showed that the activity of each catalyst was strongly dependent on the content of CH3CN in the phosphate buffer, which not only affected the driving force for water oxidation, but also altered the kinetics of the reaction, probably through different mechanisms associated with the O–O bond formation. As a result, dimer 2 showed significantly higher activity than monomer 1 in the solvent containing a low content of CH3CN, and comparable activities were attained with a high content of CH3CN in the solvent. Under the optimal conditions, complex 2 achieved a turnover number of 638 for photocatalytic O2 evolution.

Place, publisher, year, edition, pages
Science Press, 2018. Vol. 39, no 3, p. 446-452
Keyword [en]
Binuclear ruthenium catalyst, Kinetics, Photocatalysis, Solvent effect, Water oxidation
National Category
Organic Chemistry
Identifiers
URN: urn:nbn:se:kth:diva-224824DOI: 10.1016/S1872-2067(18)63024-4ISI: 000430989100012Scopus ID: 2-s2.0-85043994337OAI: oai:DiVA.org:kth-224824DiVA, id: diva2:1193521
Funder
Swedish Energy AgencyKnut and Alice Wallenberg Foundation
Note

QC 20180327

Available from: 2018-03-27 Created: 2018-03-27 Last updated: 2018-05-14Bibliographically approved

Open Access in DiVA

No full text in DiVA

Other links

Publisher's full textScopus

Search in DiVA

By author/editor
Sun, Licheng
By organisation
Organic chemistry
In the same journal
Cuihuà xuébào
Organic Chemistry

Search outside of DiVA

GoogleGoogle Scholar

doi
urn-nbn

Altmetric score

doi
urn-nbn
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf