Sifat foto-kimia kompleks molibdenum ditiolena

Translated title of the contribution: Photo-chemical properties of molybdenum dithiolene

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

The important factors for a good photosensitizer are intensity and position of the spectral absorption in visible region, redox potentials and photo-stability. Molybdenum dithiolene complexes with a general formula [MoTp*(NO)(L)] where Tp* = tris(3,5-dimethylpyrazolyl)hidroborate and L = toluene-3,4-dithiolate (L 1); 1,2-benzenedithiolate (L 3); 3,6-dichloro-1,2-benzenedithiolate (L 3) were found to exhibit the required chemical and physical properties as an anode for photo-electron-sensitizer to generation hydrogen and oxygen via water splitting in photo-electrochemical cell. Mo-dithiolene complexes were synthesized from the precursor [MoTp*(NO)(I) 2] and dithiol compound in the presence of Et3N as reducing and deprotonating agents. These complexes were characterised by micro-elemental analysis for CHNS, infrared and UV-Vis spectroscopy, and electrochemical analysis. UV-Vis absorption peaks were detected at 321-331, 369-372, 576-589, 736-741 nm (λ max/nm). The photo-chemical and photo-physical reactivities were studied to determine the suitability of these complexes as photosensitizers in photo-electrochemical cells. The photo-stability test showed no significant degradation of the complexes after 24 h of light illumination.

Original languageUndefined/Unknown
Pages (from-to)597-601
Number of pages5
JournalSains Malaysiana
Volume41
Issue number5
Publication statusPublished - May 2012

Fingerprint

Photoelectrochemical cells
Photosensitizing Agents
Molybdenum
Chemical properties
Reducing Agents
Toluene
Ultraviolet spectroscopy
Hydrogen
Anodes
Physical properties
Lighting
Oxygen
Infrared radiation
Degradation
Electrons
Water
Chemical analysis
Oxidation-Reduction
dithiol

Keywords

  • Molybdenum dithiolene
  • Photo-stability
  • Photosensitizer

ASJC Scopus subject areas

  • General

Cite this

Sifat foto-kimia kompleks molibdenum ditiolena. / Fui, Mark Lee Wun; Effery Minggu, Lorna; Kassim, Mohammad.

In: Sains Malaysiana, Vol. 41, No. 5, 05.2012, p. 597-601.

Research output: Contribution to journalArticle

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