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Piezopotential‐Driven Redox Reactions at the Surface of Piezoelectric Materials
Author(s) -
Starr Matthew B.,
Shi Jian,
Wang Xudong
Publication year - 2012
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.201201424
Subject(s) - piezoelectricity , energy harvesting , electrochemistry , nanotechnology , redox , interface (matter) , aqueous medium , materials science , electric potential energy , engineering physics , computer science , optoelectronics , chemistry , aqueous solution , energy (signal processing) , physics , electrode , composite material , metallurgy , gibbs isotherm , quantum mechanics
Piezocatalysis uses piezopotential to modulate charge carrier energetics (see picture), thus allowing the direct enhancement or suppression of electrochemical reactions that occur at a piezoelectric material/solution interface. Such a direct conversion of mechanical to chemical energy is shown by the electrochemical H 2 evolution that is achieved by straining a piezoelectric material in aqueous medium.