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Aerogels-Airy Materials: Chemistry, Structure, and Properties.
Nicola Hüsing,Ulrich S. Schubert +1 more
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The design of such a filigrane network requires the very careful control of chemical parameters and the reward is an assortment of different property profiles owing to the richness of possible variations.Abstract:
Air, air, air… and some solid skeleton; this is the basis for an interesting class of materials-the aerogels (shown schematically on the right). Can one therefore speak of "simple" chemistry? The design of such a filigrane network requires the very careful control of chemical parameters. The reward is an assortment of different property profiles owing to the richness of possible variations.read more
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Supercritical N2 processing as a route to the clean dehydrogenation of porous Mg(BH4)2.
Nicholas P. Stadie,Elsa Callini,Bo Richter,Torben R. Jensen,Andreas Borgschulte,Andreas Züttel +5 more
TL;DR: A novel strategy toward the purification of γ-Mg(BH4)2 using supercritical nitrogen drying techniques is presented, showing that clean hydrogen can be released from Mg (BH 4)2 under mild conditions and clarifying the origin of diborane among the decomposition products of stable borohydrides, a topic of critical importance for the reversibility and practical applicability of this class of hydrogen storage compounds.
Journal ArticleDOI
Nanoporous TiO2 aerogel blocking layer with enhanced efficiency for dye-sensitized solar cells
TL;DR: In this paper, a dye-sensitized solar cell (DSSC) with a nanoporous feature was used as the blocking layer between fluorine-doped tin oxide (FTO) substrate and mesoporous TiO2 layer in DSSC.
Journal ArticleDOI
Immobilization of glucose 6-phosphate dehydrogenase in silica-based hydrogels: A comparative study
TL;DR: The objective was to determine the approach which offers the highest enzymatic activity of G6PDH after encapsulation and to use the enzyme-doped gels in flow-through microreactor systems, where single or more reaction steps can be carried out in sequence.
Journal ArticleDOI
Hydrogele und Aerogele aus Edelmetallnanopartikeln
Nadja C. Bigall,Anne-Kristin Herrmann,Maria Vogel,Marcus Rose,Paul Simon,Wilder Carrillo-Cabrera,Dirk Dorfs,Stefan Kaskel,Nikolai Gaponik,Alexander Eychmüller +9 more
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Reinforced and superinsulating silica aerogel through in situ cross-linking with silane terminated prepolymers
Subramaniam Iswar,Subramaniam Iswar,Geert M. B. F. Snellings,Shanyu Zhao,Rolf Erni,Yeon Kyoung Bahk,Yeon Kyoung Bahk,Jing Wang,Jing Wang,Marco Lattuada,Matthias M. Koebel,Wim J. Malfait +11 more
TL;DR: In this paper, a co-gelation of the polyethoxydisiloxane precursor with a variety of silane terminated prepolymers that reinforce the interparticle necks, followed by hydrophobization and supercritical CO2 drying, yielded the best results.