Growth of silicalite films on pre-assembled layers of nanoscale seed crystals on piezoelectric chemical sensors

Zeolite‐modified quartz crystal microbalances are demonstrated to have excellent characteristics as chemical sensors. The Figure illustrates the synthetic strategy used to form the zeolite film on the electrode: the gold electrode (left) is covered with a partially crosslinked surface of siloxy grou...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 1997, Vol.9 (7), p.585-589
Main Authors: Bein, Thomas, Mo, Shangyi, Mintova, Svetlana, Valtchev, Valentin, Schoeman, Brian, Sterte, Johan
Format: Article
Language:English
Subjects:
Chemical Sciences
Chemical Technology
Chemistry
Exact sciences and technology
General and physical chemistry
Ion-exchange
Kemisk teknologi
Surface physical chemistry
Zeolites: preparations and properties
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Summary:Zeolite‐modified quartz crystal microbalances are demonstrated to have excellent characteristics as chemical sensors. The Figure illustrates the synthetic strategy used to form the zeolite film on the electrode: the gold electrode (left) is covered with a partially crosslinked surface of siloxy groups, to which a cationic polymer is attached. The colloidal silicalite‐1 crystals (blocks) act as seeds for the growth of an oriented silicalite layer.
ISSN:0935-9648
1521-4095
1521-4095
DOI:10.1002/adma.19970090716