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Artificial photosynthesis: A two-electrode photoelectrochemical cell for light driven water oxidation with molecular components
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2014 (English)In: Electrochimica Acta, ISSN 0013-4686, E-ISSN 0019-4686, Vol. 149, 337-340 p.Article in journal (Refereed) Published
Abstract [en]

An efficient two-electrode molecular PEC was assembled, in which a photoanode was constructed using a co-adsorbed method with a molecular photosensitizer (PS) 1 and a molecular catalyst 2 on TiO2-sintered FTO electrode (TiO2(1 + 2)). Without applied bias against a reference electrode, the system achieves remarkable photocurrent densities and carries out light driven water oxidation as evidenced by Clark electrode measurements in solution. A photocurrent density of 70 mA/cm(2) has been obtained within 10 s illumination time, and a TON of about 220 was obtained with a maximum turnover frequency (TOF) of ca. 4 min(-1) within the initial 5 minutes illumination duration.

Place, publisher, year, edition, pages
2014. Vol. 149, 337-340 p.
Keyword [en]
photoanode, molecular device, photoelectrochemical cell, water splitting
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URN: urn:nbn:se:kth:diva-158432DOI: 10.1016/j.electacta.2014.10.111ISI: 000346182900043ScopusID: 2-s2.0-84908573184OAI: diva2:777885
Swedish Energy AgencyKnut and Alice Wallenberg Foundation

QC 20150109

Available from: 2015-01-09 Created: 2015-01-08 Last updated: 2015-01-09Bibliographically approved

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Sun, Licheng
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Organic ChemistryCentre of Molecular Devices, CMD
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