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Silicon Compound Decorated Photoanode for Performance Enhanced Visible Light Driven Water Splitting
KTH, School of Biotechnology (BIO), Theoretical Chemistry and Biology.
KTH, School of Biotechnology (BIO), Theoretical Chemistry and Biology.ORCID iD: 0000-0001-6994-9802
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2016 (English)In: Electrochimica Acta, ISSN 0013-4686, E-ISSN 1873-3859, Vol. 215, 682-688 p.Article in journal (Refereed) Published
Abstract [en]

An efficient dye (1) sensitized photoelectrochemical cell (DS-PEC) has been assembled with a silicon compound (3-chloropropyl) trimethoxy-silane (Si-Cl) decorated working electrode (WE) TiO2(1 + 2). The introduction of this Si-Cl molecule on photoanode leads to better performances on efficiency than untreated ones for light driven water splitting. The firm Si-O layer formed on TiO2 increased the resistance of the TiO2/catalyst interface which is assumed to decrease charge recombination from TiO2 to the oxidized catalyst 2. The work presented here provides an effective method to improve the performances of DS-PECs.

Place, publisher, year, edition, pages
Elsevier, 2016. Vol. 215, 682-688 p.
Keyword [en]
Dye-sensitized photoelectrochemical cell, photoanode, water splitting, molecular catalyst
National Category
Chemical Sciences
URN: urn:nbn:se:kth:diva-194259DOI: 10.1016/j.electacta.2016.08.152ISI: 000384008900077ScopusID: 2-s2.0-84984876979OAI: diva2:1039537

QC 20161024

Available from: 2016-10-24 Created: 2016-10-21 Last updated: 2016-10-24Bibliographically approved

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Fan, TingJi, YongfeiAhlquist, Mårten S. G.Sun, Licheng
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