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SpiderMAEn : recombinant spider silk-basedhybrid materials for advanced energy technology

Title data

Herold, Heike ; Aigner, Tamara ; Grill, Carolin ; Krüger, Stefanie ; Taubert, Andreas ; Scheibel, Thomas:
SpiderMAEn : recombinant spider silk-basedhybrid materials for advanced energy technology.
In: Bioinspired, Biomimetic and Nanobiomaterials. Vol. 8 (20 March 2019) Issue 1 . - pp. 99-108.
ISSN 2045-9858
DOI: https://doi.org/10.1680/jbibn.18.00007

Abstract in another language

A growing energy demand requires new and preferably renewable energy sources. The infinite availability of solar radiation makes its conversion into storable and transportable energy forms attractive for research as well as for the industry. One promising example of a transportable fuel is hydrogen (H2), making research into eco-friendly hydrogen production meaningful. Here, a hybrid system was developed using newly designed recombinant spider silk protein variants as a template for mineralization with inorganic titanium dioxide and gold. These bioinspired organic/inorganic hybrid materials allow for hydrogen production upon light irradiation. To begin with, recombinant spider silk proteins bearing titanium dioxide and gold-binding moieties were created and processed into structured films. These films were modified with gold and titanium dioxide in order to produce a photocatalyst. Subsequent testing revealed hydrogen production as a result of light-induced hydrolysis of water. Therefore, the novel setup presented here provides access to a new principle of generating advanced hybrid materials for sustainable hydrogen production and depicts a promising platform for further studies on photocatalytic production of hydrogen, the most promising future fuel.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: Themed issue on generation of multifunctional inorganic materials by molecular bionics
Keywords: hybrid materials; hydrogen; photocatalysts
Institutions of the University: Faculties
Faculties > Faculty of Engineering Science
Faculties > Faculty of Engineering Science > Chair Biomaterials
Faculties > Faculty of Engineering Science > Chair Biomaterials > Chair Biomaterials - Univ.-Prof. Dr. Thomas Scheibel
Profile Fields
Profile Fields > Advanced Fields
Profile Fields > Advanced Fields > Polymer and Colloid Science
Profile Fields > Advanced Fields > Advanced Materials
Profile Fields > Advanced Fields > Molecular Biosciences
Profile Fields > Emerging Fields
Profile Fields > Emerging Fields > Food and Health Sciences
Research Institutions
Research Institutions > Research Centres
Research Institutions > Research Centres > Bayreuth Center for Material Science and Engineering - BayMAT
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences
600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 20 Jan 2020 11:40
Last Modified: 20 Jan 2020 11:40
URI: https://eref.uni-bayreuth.de/id/eprint/54142