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Chemiresistors: Transistor‐Like Modulation of Gold Nanoparticle Film Conductivity Using Hydrophobic Ions (Adv. Mater. Interfaces 5/2014)
Author(s) -
Chow Edith,
Raguse Burkhard,
Müller KarlH.,
Wieczorek Lech,
Cooper James S.,
Hubble Lee J.,
Webster Melissa S.
Publication year - 2014
Publication title -
advanced materials interfaces
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.671
H-Index - 65
ISSN - 2196-7350
DOI - 10.1002/admi.201470030
Subject(s) - materials science , nanoparticle , colloidal gold , transistor , nanotechnology , resistor , ion , thin film transistor , modulation (music) , molecule , optoelectronics , layer (electronics) , organic chemistry , electrical engineering , chemistry , voltage , philosophy , engineering , aesthetics
Functionalized gold nanoparticle films are wellknown to act as chemically‐sensitive resistors (i.e., passive electrical components). B. Raguse, E. Chow, and co‐workers report in article 1400062 that such nanoparticle films are also capable of being used as chemically‐sensitive, active (transistor‐like) components by applying an external gate potential in the presence of hydrophobic ions. An immediate application is the development of highly sensitive sensors where the sensitivity towards charged molecules is improved by several orders of magnitude.