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2018 ; 8
(1
): 8016
Nephropedia Template TP
Urdampilleta M
; Ayela C
; Ducrot PH
; Rosario-Amorin D
; Mondal A
; Rouzières M
; Dechambenoit P
; Mathonière C
; Mathieu F
; Dufour I
; Clérac R
Sci Rep
2018[May]; 8
(1
): 8016
PMID29789622
show ga
Incorporating functional molecules into sensor devices is an emerging area in
molecular electronics that aims at exploiting the sensitivity of different
molecules to their environment and turning it into an electrical signal. Among
the emergent and integrated sensors, microelectromechanical systems (MEMS) are
promising for their extreme sensitivity to mechanical events. However, to bring
new functions to these devices, the functionalization of their surface with
molecules is required. Herein, we present original electronic devices made of an
organic microelectromechanical resonator functionalized with switchable magnetic
molecules. The change of their mechanical properties and geometry induced by the
switching of their magnetic state at a molecular level alters the device's
dynamical behavior, resulting in a change of the resonance frequency. We
demonstrate that these devices can be operated to sense light or thermal
excitation. Moreover, thanks to the collective interaction of the switchable
molecules, the device behaves as a non-volatile memory. Our results open up broad
prospects of new flexible photo- and thermo-active hybrid devices for
molecule-based data storage and sensors.
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