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Voltage‐Induced Payload Release and Wettability Control on TiO 2 and TiO 2 Nanotubes
Author(s) -
Song YanYan,
Roy Poulomi,
Paramasivam Indhumati,
Schmuki Patrik
Publication year - 2010
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200905111
Subject(s) - payload (computing) , electrochemistry , monolayer , wetting , valence (chemistry) , voltage , nanotechnology , materials science , molecule , computer science , chemistry , electrical engineering , electrode , engineering , organic chemistry , computer network , composite material , network packet
Please release me : Hydrocarbon monolayers attached to a TiO 2 surface can be cut by electrochemical means, thus allowing active molecules or proteins to be released from the TiO 2 surface (see picture). Requirements are suitable electronic properties of TiO 2 combined with a voltage to cause Schottky barrier breakdown; valence band holes are then sufficiently reactive to generate OH . radicals.