A New Heterogeneous Photocathode Based on Ruthenium(II)quaterpyridinium Complexes at TiO2 Particles

Nils Baumann; Pubudu S. Gamage; Thilani N. Samarakoon; Jim Hodgson; Juergen Janek; Stefan H. Bossmann

doi:10.1021/jp109634v

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Journal article

A New Heterogeneous Photocathode Based on Ruthenium(II)quaterpyridinium Complexes at TiO2 Particles

Nils Baumann, Pubudu S. Gamage, Thilani N. Samarakoon, Jim Hodgson, Juergen Janek and Stefan H. Bossmann

Journal of physical chemistry. C, Vol.114(51), pp.22763-22772

2010-12-30

DOI: https://doi.org/10.1021/jp109634v

Abstract

Chemistry

Chemistry, Physical

Materials Science

Materials Science, Multidisciplinary

Nanoscience & Nanotechnology

Physical Sciences

Science & Technology

Science & Technology - Other Topics

Technology

We have studied a new type of heterogeneous composite electrode featuring a rutheniumn-quaterpyridinium complex (Ru3PHOS) bearing six phosphonate groups for strong chemisorption on TiO2. Ru3PHOS@TiO2 has then been deposited on microscopy glass slides using Ag-doped epoxy glue. Nanomolar amounts of palladium have been electrodeposited onto the Ru3PHOS@TiO2. To our surprise, we have observed the deposition of carbon needles onto the composite material when (photo)electrochemically reducing bicarbonate from aqueous buffers.

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Collaboration types: Domestic collaboration; International collaboration
Citation topics: 2 Chemistry; 2.74 Photocatalysts; 2.74.740 Dye-Sensitized Solar Cells
Web Of Science research areas: Chemistry, Physical; Materials Science, Multidisciplinary; Nanoscience & Nanotechnology
ESI research areas: Chemistry

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Details

Title: A New Heterogeneous Photocathode Based on Ruthenium(II)quaterpyridinium Complexes at TiO2 Particles
Creators: Nils Baumann - University of Giessen
Pubudu S. Gamage - University of Giessen
Thilani N. Samarakoon - University of Giessen
Jim Hodgson - University of Giessen
Juergen Janek - Univ Giessen, Inst Phys Chem, D-35392 Giessen, Germany
Stefan H. Bossmann - University of Giessen
Publication Details: Journal of physical chemistry. C, Vol.114(51), pp.22763-22772
Publisher: Amer Chemical Soc
Number of pages: 10
Grant note: State of Kansas through Kansas Technology Enterprise Corp. 47077-AC10 / ACS; American Cancer Society EPS-0903806 / National Science Foundation; National Science Foundation (NSF) Studienstiftung des Deutschen Volkes e.V.
Academic Unit: Otto G. Richter Library; Otto G. Richter Library
Language: English
Resource Type: Journal article
Record Identifier: 991031724336902976