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A molecular precursor approach to tunable porous tin-rich indium tin oxide with durable high electrical conductivity for bioelectronic devices
- The preparation of porous, i.e., high surface area electrodes from transparent conducting oxides, is a valuable goal in materials chemistry as such electrodes can enable further development of optoelectronic, electrocatalytic, or bioelectronic devices. In this work the first tin-rich mesoporous indium tin oxide is prepared using the molecular heterobimetallic single-source precursor, indium tin tris-tert-butoxide, together with an appropriate structure-directing template, yielding materials with high surface areas and tailorable pore size. The resulting mesoporous tin-rich ITO films show a high and durable electrical conductivity and transparency, making them interesting materials for hosting electroactive biomolecules such as proteins. In fact, its unique performance in bioelectronic applications has been demonstrated by immobilization of high amounts of cytochrome c into the mesoporous film which undergo redox processes directly with the conductive electrode material.
Author details: | Yilmaz Aksu, Stefano Frasca, Ursula WollenbergerORCiDGND, Matthias Driess, Arne Thomas |
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DOI: | https://doi.org/10.1021/cm103087p |
ISSN: | 0897-4756 |
Title of parent work (English): | Chemistry of materials : a publication of the American Chemical Society |
Publisher: | American Chemical Society |
Place of publishing: | Washington |
Publication type: | Article |
Language: | English |
Year of first publication: | 2011 |
Publication year: | 2011 |
Release date: | 2017/03/26 |
Tag: | bioelectrochemistry; cytochrome c; device; electrode; indium tin oxide ITO |
Volume: | 23 |
Issue: | 7 |
Number of pages: | 7 |
First page: | 1798 |
Last Page: | 1804 |
Funding institution: | Deutsche Forschungsgemeinschaft; TU Berlin |
Organizational units: | Mathematisch-Naturwissenschaftliche Fakultät / Institut für Biochemie und Biologie |
Peer review: | Referiert |