Electrochemistry of Biosystems
Linking Glucose Oxidation to Luminol-based Electrochemiluminescence using bipolar Electrochemistry
Asymmetric Modification of TiO2 Nanofibers with Gold by Electric-Field-Assisted Photochemistry
Stimuli-responsive microgels for electrochemiluminescence amplification

D. Kos, H. P. A. G. Astier, G. D. Martino, J. Mertens, H. Ohadi, D. De. Fazio, D. Yoon, Z. Zhao, A. Kuhn, A. C. Ferrari, C. J. B. Ford, J. J. Baumberg

Small, 2018, in press, doi.org/10.1002/smll.201801599

Nanoactuators are a key component for developing nanomachinery. Here, an electrically driven device yielding actuation stresses exceeding 1 MPa with integrated optical readout is demonstrated. Electrolyte films of 10-nm-thick Al2O3 are sandwiched between graphene and Au electrodes that allow reversible room-temperature solid-state redox producing Al metal and O2 gas in a memristive-type switching device. The resulting high-pressure oxygen microfuel reservoirs are encapsulated under the graphene, swelling to heights of up to 1 μm, which can be dynamically tracked  by plasmonic rulers. Unlike in standard memristors where the memristive redox reaction occurs in single or few conductive filaments, the mechanical deformation forces the constant creation of new filaments over the whole area of the inflated film. The resulting on–off resistance ratios are exceptionally high, reaching 108 in some cycles. The synchronization of nanoactuation and memristive switching in these devices is compatible with large-scale fabrication and has potential for precise and electrically monitored actuation technology.

2019 10

Surface-confined Electrochemiluminescence Microscopy of Cell Membranes


Wednesday, 14 November 2018
S. Voci, B. Goudeau, G. Valenti, A. Lesch, M. Jović, S. Rapino, F. Paolucci, S. Arbault, N. Sojic J. Am. Chem. Soc., 140, 2018, 14753-14760 Herein is reported a surface-confined microscopy based on electrochemiluminescence (ECL) that allows to... Read More...

Enhanced Annihilation Electrochemiluminescence by Nanofluidic Confinement


Wednesday, 14 November 2018
Hanan Al-Kutubi, Silvia Voci, Liza Rassaei, Neso Sojic, Klaus Mathwig Chem .Sci., 9, 2018, (2018 Chemical Science HOT Article Collection) Microfabricated nanofluidic electrochemical devices offer a highly controlled nanochannel geometry; they... Read More...

L’électrochimiluminescence : une méthode de choix pour la bioanalyse


Wednesday, 14 November 2018
L. Bouffier, S. Arbault, A. Kuhn, N. Sojic Techniques de l’Ingénieur. 2018. P156 Les mesures sélectives et sensibles dans des échantillons complexes tels que l’urine ou le sang sont devenues des outils indispensables dans le domaine du... Read More...